CN110505696A - A kind of beam allocation method, apparatus, equipment and computer storage medium - Google Patents
A kind of beam allocation method, apparatus, equipment and computer storage medium Download PDFInfo
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- CN110505696A CN110505696A CN201810481711.3A CN201810481711A CN110505696A CN 110505696 A CN110505696 A CN 110505696A CN 201810481711 A CN201810481711 A CN 201810481711A CN 110505696 A CN110505696 A CN 110505696A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007726 management method Methods 0.000 claims abstract description 27
- 238000005259 measurement Methods 0.000 claims description 25
- 230000011664 signaling Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- Computer Networks & Wireless Communication (AREA)
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Abstract
A kind of beam allocation method, apparatus, equipment and computer storage medium.The invention discloses a kind of wave beam management methods, comprising: base station obtains the location information of one or more terminals；And according to group forming criterion and the location information, one or more of terminals are divided into one or more groups of terminals by the base station；The base station is every group of corresponding wave beam of terminal distribution.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a computer storage medium for beam allocation.
Background
Currently, in the 5G (fifth generation mobile communication technology) ultra-high frequency band, due to the high frequency and short wavelength of the ultra-high frequency band, the beam of the radio frequency can only cover a small width. Therefore, the base station needs to use multiple beams for cell coverage. When the terminal moves, the coverage width of each beam of the base station is small, so that the problem that the terminal frequently switches beams occurs.
Disclosure of Invention
The invention mainly aims to provide a beam management method, aiming at reducing frequent switching of a terminal.
One embodiment of the present invention provides a beam management method, including: a base station acquires the position information of one or more terminals; according to a grouping principle and the position information, the base station divides the one or more terminals into one or more groups of terminals; and the base station allocates corresponding beams for each group of terminals.
An embodiment of the present invention provides a beam management apparatus, including: an obtaining module, configured to obtain, by a base station, location information of one or more terminals; the grouping module is used for grouping the one or more terminals into one or more groups of terminals by the base station according to a grouping principle and the position information; and the allocation module is used for allocating corresponding beams to each group of terminals by the base station.
One embodiment of the present invention provides a beam management comprising: a processor, and a memory coupled to the processor; the memory has stored thereon a beam management program executable on the processor, the beam management program when executed by the processor implementing the steps of the beam management method described above.
An embodiment of the present invention provides a computer storage medium storing a program for beam management, which when executed by a processor implements the steps of the beam management method described above.
The base station receives the position information of the terminals and groups the terminals according to the position information. The base station then assigns appropriate beams to the grouped group or groups of terminals. Since the beam assignment is based on the grouping of terminals, terminals farther away from the base station are assigned to beams with smaller coverage width, while terminals closer to the base station are assigned to beams with larger coverage width. Under the condition of not influencing beam coverage, the terminal avoids frequent beam switching as much as possible, power consumption is reduced, the terminal is more stable in use, and the experience of the user in using the terminal is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a beam management method according to an embodiment of the present invention;
fig. 2 is a flowchart of a beam management method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a beam management method according to a third embodiment of the present invention;
fig. 4 is a block diagram of a beam management apparatus according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Currently, in order to meet the increasing demand of wireless data services, wireless communication systems need to support higher and higher data rates, and efficiency improvement by only using the original spectrum has been difficult to meet the demand. Therefore, the 5G era began to adopt a wireless communication system of an ultra high frequency band.
In the 5G ultra-high frequency band, because the ultra-high frequency band has high frequency and short wavelength, the beam of the radio frequency can only be a beam with a small coverage width, rather than an omnidirectional beam of the original communication system. Therefore, the base station needs to use multiple beams for cell coverage. When the terminal moves, the coverage of one beam is switched to the coverage of another beam, and the beam changes. The channel characteristics between the terminal and the base station are obtained by continuous measurement, and the base station estimates the spatial channel characteristics according to the measurement information. When the beam is changed, the channel measurement result of the original beam is no longer credible and cannot be directly applied to the channel corresponding to the new beam. Therefore, when the beam is switched, the base station may fluctuate in scheduling based on the channel characteristics, and the switched terminal may be unstable, thereby affecting the terminal user experience.
Therefore, if a beam having a relatively large coverage width can be used for coverage, frequent switching of the beam is reduced to some extent. However, for the reason of receiving energy, for the terminal far away from the base station, the base station can only use the beam with smaller coverage width to perform cell coverage; for a terminal close to the base station, the base station may use a beam with a larger coverage width to perform cell coverage.
In the embodiment of the invention, the base station groups the terminals according to the position information of the terminals and distributes corresponding beams to one group or a plurality of groups of grouped terminals, the beams configured according to the grouping result can meet the requirement of the terminals on receiving energy, and simultaneously, the beam switching of the terminals is reduced as much as possible.
Example one
An embodiment of the present invention provides a beam management method, which is applied to a base station, and as shown in fig. 1, the method includes the following steps:
step S101: a base station acquires the position information of one or more terminals;
step S102: according to a grouping principle and the position information, the base station divides the one or more terminals into one or more groups of terminals;
step S103: and the base station allocates corresponding beams for each group of terminals.
In the above steps, the base station groups the terminals according to the position information of the terminals, and allocates corresponding beams to one or more groups of grouped terminals. By adopting the scheme, the terminal can be allocated with proper beams, so that the requirement of the terminal on receiving energy can be met, and the beam switching of the terminal is reduced as much as possible.
Before step S101, the base station sends a beam measurement signal and threshold configuration information to the one or more terminals, where the beam measurement signal is used by the one or more terminals to determine optimal beam information of the one or more terminals, and the threshold configuration information includes: reference Signal Received Power (RSRP) threshold configuration information or Timing Advance (TA) threshold configuration information. Then, the terminal transmits the location information to the base station.
The terminal may send the location information to the base station through a Media Access Control (MAC) layer signaling BSI (Beam state information), where the BSI signaling may be triggered and reported by a Control command issued by the base station or may be spontaneously and periodically reported.
For each terminal, the terminal receives a beam measurement signal transmitted by the base station. The number of beam measurement signals may be multiple according to the base station itself, for example, the base station transmits 6 beam measurement signals to the terminal (the base station transmits several beam measurement signals for several beams). And the terminal measures the beams one by one according to the plurality of beam measurement signals and measures the RSRP value of the beam corresponding to each beam measurement signal. By comparison, the terminal selects the beam with the maximum RSRP value as the best beam. And the best beam information may be the number of the beam (one number for each beam on the base station side).
A terminal receives threshold configuration information sent by a base station, wherein the threshold configuration information comprises: reference Signal Received Power (RSRP) threshold configuration information or Timing Advance (TA) threshold configuration information.
When the threshold configuration information is RSRP threshold configuration information, the terminal determines an RSRP value corresponding to an optimal beam of the terminal according to the optimal beam information, and then may determine an RSPR level value of the optimal beam, that is, an RSRP level value of the terminal itself, according to the RSRP value corresponding to the optimal beam and the RSRP threshold configuration information. Each base station may cover and interact with multiple terminals, and thus, for each terminal, there is a corresponding best beam and RSRP level value. And after the terminal determines the self optimal beam information and the RSRP grade value, the terminal sends the optimal beam information and the RSRP grade value to the base station.
When the threshold configuration information is TA threshold configuration information, the terminal determines a TA value corresponding to an optimal beam of the terminal according to the optimal beam information, and then may determine a TA level value of the optimal beam, that is, a TA level value of the terminal itself, according to the TA value corresponding to the optimal beam and the TA threshold configuration information. Each base station may cover multiple terminals and interact with multiple terminals, so that for each terminal there is a corresponding best beam and TA level value. And after the terminal determines the self optimal beam information and the TA grade value, the terminal sends the optimal beam information and the TA grade value to the base station.
In step S101, a base station acquires location information of one or more terminals.
For each terminal, the base station may obtain distance information and angle information of the terminal, where the distance information may be characterized by a distance level value of the corresponding terminal, the angle information may be characterized by optimal beam information of the corresponding terminal, and the distance level value may include an RSRP level value or a TA level value.
In step S102, the base station groups the one or more terminals into one or more groups of terminals according to a grouping principle and the location information.
The location information may include distance information, which may be characterized by a distance rank value of the corresponding terminal, and angle information, which may be characterized by optimal beam information of the corresponding terminal, and the distance rank value may include an RSRP rank value or a TA rank value.
The grouping principle may be preset in the base station.
The grouping principle may include: grouping the terminals associated with the best beam information into a group, wherein the terminals associated with the best beam information may include: the terminal with the same optimal beam or the terminal with the adjacent optimal beam; before grouping the terminals adjacent to the best beam, it is determined whether to group the terminals adjacent to the best beam according to a beam allocation restriction rule. The beam allocation restriction rule may include: a correspondence between the distance level values of the terminals and the beam width values assignable to the corresponding terminals.
The grouping principle may further include: and sequentially grouping the terminals according to the distance grade values, grouping the terminals with the minimum distance grade value, and repeating the steps until the terminals with the maximum distance grade value are grouped. Here, the smaller the distance rank value is, the longer the distance representing the corresponding terminal from the base station is. Such grouping principle can be cooperated with the beam distribution limitation rule to ensure that each terminal can be covered by the beam of the base station. Of course, if the terminal with the larger distance rank value is associated with the best beam information of the terminal with the smaller distance rank value in the process of grouping the terminals with the smaller distance rank values, the terminals with the larger distance rank values are also grouped at this time. Subsequently, since the terminals with the larger distance rank value are already grouped, the terminals with the larger distance rank value are not grouped any more.
In one embodiment, the grouping principle may be: first, grouping is performed according to the RSRP level value, and the packet having a smaller RSRP level value has a higher priority. Secondly, whether the terminals adjacent to the optimal beam are grouped into one group or not is judged according to the corresponding relation (namely the beam distribution limiting rule) between the distance grade value of the terminal and the beam width value which can be distributed to the corresponding terminal. If the distance level value of the terminal with the minimum RSRP level value among the terminals adjacent to the best beam and the beam width value assignable to the terminal satisfy the beam assignment rule, the terminals adjacent to the best beam are grouped. If the distance rank value of the terminal with the minimum RSRP rank value among the terminals adjacent to the best beam and the beam width value assignable to the terminal satisfy the beam assignment rule and do not satisfy the beam assignment rule, the terminals with the same best beam are grouped. The value of the beam width that can be allocated to the terminal with the smallest RSRP level value depends on the best beam of the terminal and the beams adjacent to the best beam of the terminal. If the beam adjacent to the best beam has not been allocated by the base station, the beam width value assignable to the terminal is the width value of the best beam of the terminal and the beam adjacent to the best beam of the terminal constituting the beam. The value of the beam width assignable to the terminal is the value of the width of the best beam for the terminal if the beams adjacent to the best beam have all been assigned by the base station.
In one embodiment, the grouping principle may be: first, packets are grouped according to the size of the TA level value, and the packets having smaller TA level values have higher priority. Secondly, whether the terminals adjacent to the optimal beam are grouped into one group or not is judged according to the corresponding relation (namely the beam distribution limiting rule) between the distance grade value of the terminal and the beam width value which can be distributed to the corresponding terminal. If the distance level value of the terminal having the smallest TA level value among the terminals adjacent to the best beam and the beam width value assignable to the terminal satisfy the beam assignment rule, the terminals adjacent to the best beam are grouped. If the distance level value of the terminal having the smallest TA level value among the terminals adjacent to the best beam and the beam width value assignable to the terminal do not satisfy the beam assignment rule, the terminals having the same best beam are grouped. The value of the beam width that can be allocated to the terminal having the smallest TA level value depends on the best beam of the terminal and the beams adjacent to the best beam of the terminal. If the beam adjacent to the best beam has not been allocated by the base station, the beam width value assignable to the terminal is the width value of the best beam of the terminal and the beam adjacent to the best beam of the terminal constituting the beam. The value of the beam width assignable to the terminal is the value of the width of the best beam for the terminal if the beams adjacent to the best beam have all been assigned by the base station.
In step S103, the base station allocates a corresponding beam to each group of terminals. The base station may perform grouping for all terminals, or may perform grouping for all terminals.
The allocating, by the base station, a corresponding beam for each group of terminals may include: and the base station allocates corresponding beams for the grouped terminals according to the optimal beam information of each terminal in each group.
In one embodiment, for a set of terminals, the base station determines the best beam information for each terminal in the set of terminals. And if the base station determines that the best beam information of each terminal is the same, allocating the beam corresponding to the best beam information to the group of terminals. If the base station determines that the best beam information of each terminal is different (partially or totally different), combining the beams corresponding to the different best beam information, and allocating the combined beam to the terminal.
The base station distributes the wave beams according to the method, so that the terminal covered by the base station can reduce wave beam switching, reduce power consumption, increase the stability of the terminal and obviously improve the experience of terminal users.
Example two
In the second embodiment of the present invention, there are 1 base station and 8 terminals, and 8 terminals are terminals 1 to 8. The base station has 6 beams, which are beams 1-6 (the beam numbers of the base station side are respectively BI1, BI2, BI3, BI4, BI5 and BI6), and the widths of the 6 beams are all 20 degrees. Meanwhile, the beam of the base station may cover a width ranging from 20 degrees to 120 degrees, for example, the beam 1 and the beam 2 may be combined to form a beam with a width of 40 degrees, and in this case, if the beam of the base station covers with the combination of the beam 1 and the beam 2, the beam of the base station covers with a width of 40 degrees.
Based on the base station and the terminal, a second embodiment provides a beam management method, which includes the following steps:
step 201: the base station sends 6 beam measurement signals to the terminal, and the base station sends RSRP threshold configuration information to the terminal.
The RSRP threshold configuration information may be carried by a signaling message RRC (Radio Resource Control ) Connection Setup (RRC Connection establishment) or RRC Connection Reconfiguration (RRC Connection Reconfiguration), or may be carried by MAC CE (MAC Control Element) or dci (downlink Control information) downlink Control information.
The RSRP threshold configuration information may be a corresponding table of RSRP range values and RSRP rank values, for example, the following table:
| RSRP Range | RSRP grade value |
| Less than A dB | 0 (Small) |
| Greater than or equal to A dB and less than or equal to B dB | 1 (middle) |
| Greater than B dB | 2 (Large) |
The a and B may be values specified in 3GPP (3rd Generation Partnership Project), or may be values configured according to actual conditions of the base station. In this embodiment, two thresholds, a and B, are set. The RSRP threshold configuration information may be preset in a base station.
Step S202: the terminal receives the 6 beam measurement signals, measures the beams, measures the RSRP value of each beam, takes the beam with the maximum RSRP value as the optimal beam of the terminal, and determines the optimal beam information of the terminal; meanwhile, the terminal determines the RSRP level value of the terminal according to the RSRP value of the optimal beam of the terminal and the corresponding table of the RSRP range value and the RSRP level value in step 201.
In this embodiment, terminals 1-8 receive beams 1-6, respectively, and measurements are made on beams 1-6 one by one. Since the method for determining the best beam information is the same for each terminal, the description will be given by taking the terminal 1 as an example.
After receiving the measurement signals of the 6 beams 1-6, the terminal 1 measures each beam respectively to obtain the RSRP values of the beams 1-6 relative to the terminal 1, compares the RSRP values respectively, and selects the beam with the largest RSRP value as the best beam. After determining the best beam of the terminal 1, the best beam information of the terminal 1 may be determined, and in this embodiment, the best beam information of the terminal 1 is the beam number of the best beam on the base station side, which is BI 4. Meanwhile, according to the RSRP value of BI4 relative to terminal 1 and the corresponding table of RSRP range values and RSRP rank values in step 201, it is determined that the RSRP rank value of terminal 1 is 2. The terminal 2-the terminal 8 are all measured, and the best beam information and the RSRP grade value of each terminal can be determined.
Finally, after all the terminals determine the optimal beam information and RSRP information, the terminals determine their own location information, which is specifically shown in the following table in this embodiment:
| terminal device | Optimal beam information | RSRP grade value |
| Terminal 1 | BI4 | 2 |
| Terminal 2 | BI3 | 0 |
| Terminal 3 | BI2 | 1 |
| Terminal 4 | BI1 | 1 |
| Terminal 5 | BI1 | 1 |
| Terminal 6 | BI3 | 0 |
| Terminal 7 | BI5 | 2 |
| Terminal 8 | BI6 | 2 |
Step S203: the terminal sends the self RSRP level value and the optimal beam information determined in the step S202 to the base station through BSI signaling, the base station divides the terminal into a plurality of groups of terminals according to the RSRP level value and the optimal beam information of the terminal and a grouping principle preset in the base station, and after each group is divided, the base station distributes the beam to the group of terminals according to the situation of the group and the situation of the distributable beam.
In this embodiment, a corresponding table of RSRP level values and distance level values (between the terminal and the base station) is preset on the base station side, as follows:
| RSRP grade value | Distance rank value |
| 0 (Small) | 0 (far) |
| 1 (middle) | 1 (middle) |
| 2 (Large) | 2 (near) |
In this embodiment, the grouping principle may be: the terminals with the distance level 0 are grouped first, the terminals with the distance level 1 are grouped second, and the terminals with the distance level 2 are grouped last. Meanwhile, terminals with the same or adjacent optimal beams are grouped into one group, and whether the terminals with the adjacent optimal beams are grouped into one group is judged according to the corresponding relation between the distance grade value and the beam width value which can be distributed to the corresponding terminal. If the distance level value of the terminal having the smallest distance level value among the terminals adjacent to the best beam and the beam width value assignable to the terminal satisfy the above correspondence, the terminals adjacent to the best beam are grouped into one group. If the distance rank value of the terminal having the smallest distance rank value among the terminals adjacent to the optimal beam and the beam width value assignable to the terminal do not satisfy the above correspondence, the terminals having the same optimal beam are grouped into one group. The value of the beam width that can be assigned to the terminal having the smallest distance rank value depends on the best beam of the terminal and the beams adjacent to the best beam of the terminal. If the beam adjacent to the best beam has not been allocated by the base station, the beam width value assignable to the terminal is the width value of the best beam of the terminal and the beam adjacent to the best beam of the terminal constituting the beam. The value of the beam width assignable to the terminal is the value of the width of the best beam for the terminal if the beams adjacent to the best beam have all been assigned by the base station.
A terminal with the distance grade of 0 can only be covered by the narrowest beam width of 20 degrees; the terminal at the distance level 1 can be covered by the beam width of 20 degrees or 40 degrees (preferentially covered by the beam of 40 degrees, so that the terminal switching is reduced); since the UE of the distance class 2 can be covered with the beam having the beam width of 20, 40, or 60 degrees (the coverage with the beam of 60 degrees is prioritized, and the coverage with the beam of 40 degrees is performed to reduce the terminal handover), the correspondence relationship between the distance class value of the terminal and the beam width value assignable to the corresponding terminal is shown in the following table:
in the present embodiment, first, a terminal with a distance level of 0 is grouped and allocated with a beam. The terminal with the distance level 0 is acquired, and the terminal 2 and the terminal 6 are allocated with the beam width of 20 degrees, while the optimal beam numbers of the terminal 2 and the terminal 6 are BI3 with the width of 20 degrees. Therefore, the base station groups terminal 2 and terminal 6, and allocates BI3 to terminal 3 and terminal 6.
Next, the terminals with the distance level 1 are grouped and allocated with beams. The terminal with the distance level 1 is acquired, and is terminal 3, terminal 4 and terminal 5, the terminal with the distance level 1 may be allocated with beams with the width of 20 degrees or 40 degrees, and the optimal beams of terminal 3, terminal 4 and terminal 5 are numbered as BI2 and BI 1. Accordingly, the base station groups terminal 3, terminal 4, and terminal 5, and combines BI1 and BI2 into one beam to be allocated to terminal 3, terminal 4, and terminal 5.
Finally, the terminals with the distance level 2 are grouped and allocated with beams. Acquiring a terminal with a distance level of 2, and allocating beams with widths of 20 degrees, 40 degrees or 60 degrees (beams with 60 degrees being considered preferentially) to the terminals 1, 7 and 8 with the distance level of 2, wherein the optimal beams of the terminals 1, 7 and 8 are numbered as BI4, BI5 and BI 6. Accordingly, the base station groups terminal 1, terminal 7, and terminal 8, and combines BI4, BI5, and BI6 into one beam to be allocated to terminal 1, terminal 7, and terminal 8.
The base station allocates the beams to the terminals according to the steps, so that the terminals can be allocated with proper beams, and on the premise that all the terminals are allocated with the beams, the beam switching of the terminals is reduced, and the user experience is improved.
EXAMPLE III
In the third embodiment of the present invention, there are 1 base station and 8 terminals, and 8 terminals are terminals 1 to 8. The base station has 6 beams, which are beams 1-6 (the beam numbers of the base station side are respectively BI1, BI2, BI3, BI4, BI5 and BI6), and the widths of the 6 beams are all 20 degrees. Meanwhile, the beam of the base station may cover a width ranging from 20 degrees to 120 degrees, for example, the beam 1 and the beam 2 may be combined to form a beam with a width of 40 degrees, and in this case, if the beam of the base station covers with the combination of the beam 1 and the beam 2, the beam of the base station covers with a width of 40 degrees.
Based on the base station and the terminal, a third embodiment provides a beam management method, which includes the following steps:
step 301: the base station transmits 6 beam measurement signals to the terminal, and the base station transmits TA threshold value configuration information to the terminal.
The TA threshold configuration information may be carried by a signaling message RRC Connection Setup (RRC Connection establishment) or RRC Connection reconfiguration (RRC Connection reconfiguration), or may be carried by a MAC CE or DCI.
The TA threshold configuration information may be a corresponding table of TA range values and TA rank values, for example, the following table may be used:
| TA Range | TA rating value |
| Less than C Ts | 0 (Small) |
| Greater than or equal to C dB and less than or equal to D Ts | 1 (middle) |
| Greater than D Ts | 2 (Large) |
The C and D may be configured values according to the actual situation of the base station. In this embodiment, two thresholds, C and D, are set. The TA threshold configuration information may be preset in the base station.
Step S202: the terminal receives the 6 beam measurement signals, measures the beams, measures the RSRP value of each beam, takes the beam with the maximum RSRP value as the optimal beam of the terminal, and determines the optimal beam information of the terminal; meanwhile, the terminal determines the TA value of the best beam according to the best beam, and the terminal determines the TA level value of the terminal according to the TA value of the best beam and the corresponding table of the TA range value and the TA level value in step 301.
In this embodiment, terminals 1-8 receive beams 1-6, respectively, and measurements are made on beams 1-6 one by one. Since the method for determining the best beam information is the same for each terminal, the description will be given by taking the terminal 1 as an example.
After receiving the measurement signals of the 6 beams 1-6, the terminal 1 measures each beam respectively to obtain the RSRP values of the beams 1-6 relative to the terminal 1, compares the RSRP values respectively, and selects the beam with the largest RSRP value as the best beam. After determining the best beam of the terminal 1, the best beam information of the terminal 1 may be determined, and in this embodiment, the best beam information of the terminal 1 is the beam number of the best beam on the base station side, which is BI 4. Meanwhile, the TA value of the terminal 1 may be determined according to the optimal beam BI4 of the terminal 1, and the TA level value of the terminal 1 is determined to be 2 according to the TA value of the terminal 1 and the corresponding table of the TA range value and the TA level value in step 301. The terminal 2-the terminal 8 are all measured, and the best beam information and the RSRP grade value of each terminal can be determined.
Finally, after all terminals determine the optimal beam information and TA information, the terminal determines its own location information, which is specifically shown in the following table in this embodiment:
| terminal device | Optimal beam information | TA rating value |
| Terminal 1 | BI4 | 2 |
| Terminal 2 | BI3 | 2 |
| Terminal 3 | BI2 | 2 |
| Terminal 4 | BI1 | 1 |
| Terminal 5 | BI3 | 1 |
| Terminal 6 | BI2 | 0 |
| Terminal 7 | BI5 | 2 |
| Terminal 8 | BI6 | 2 |
Step S303: the terminal sends the self-TA grade value and the optimal beam information determined in the step S302 to the base station through BSI signaling, the base station divides the terminal into a plurality of groups of terminals according to the TA grade value and the optimal beam information of the terminal and a grouping principle preset in the base station, and after each group is divided, the base station allocates the beam to the group of terminals according to the condition of the group and the condition of the allocable beam.
In this embodiment, a TA rank value and distance rank value (between the terminal and the base station) correspondence table is preset on the base station side, as follows:
| TA rating value | Distance rank value |
| 0 (Small) | 0 (far) |
| 1 (middle) | 1 (middle) |
| 2 (Large) | 2 (near) |
In this embodiment, the grouping principle may be: the terminals with the distance level 0 are grouped first, the terminals with the distance level 1 are grouped second, and the terminals with the distance level 2 are grouped last. Meanwhile, terminals with the same or adjacent optimal beams are grouped into one group, and whether the terminals with the adjacent optimal beams are grouped into one group is judged according to the corresponding relation between the distance grade value and the beam width value which can be distributed to the corresponding terminal. If the distance level value of the terminal having the smallest distance level value among the terminals adjacent to the best beam and the beam width value assignable to the terminal satisfy the above correspondence, the terminals adjacent to the best beam are grouped into one group. If the distance level value of the terminal having the smallest distance level value among the terminals adjacent to the best beam and the beam width value assignable to the terminal do not satisfy the above-described relationship, the terminals having the same best beam are grouped into one group. The value of the beam width that can be assigned to the terminal having the smallest distance rank value depends on the best beam of the terminal and the beams adjacent to the best beam of the terminal. If the beam adjacent to the best beam has not been allocated by the base station, the beam width value assignable to the terminal is the width value of the best beam of the terminal and the beam adjacent to the best beam of the terminal constituting the beam. The value of the beam width assignable to the terminal is the value of the width of the best beam for the terminal if the beams adjacent to the best beam have all been assigned by the base station.
A terminal with the distance grade of 0 can only be covered by the narrowest beam width of 20 degrees; the terminal at the distance level 1 can be covered by the beam width of 20 degrees or 40 degrees (preferentially covered by 40 degrees, so that the terminal switching is reduced); the UE at distance level 2 may cover with a beam with a width of 20 degrees, 40 degrees, or 60 degrees, as shown in the following table:
| value of beam width | Distance rank value |
| 20 degree | 0 (far) |
| 20 or 40 degrees | 1 (middle) |
| 20. 40 or 60 degrees | 2 (near) |
In the present embodiment, first, a terminal with a distance level of 0 is grouped and allocated with a beam. The terminal with the distance level 0 is acquired, and is terminal 6, the terminal with the distance level 0 can only allocate the beam with the beam width of 20 degrees, and the optimal beam number of terminal 6 is BI2, and the width of the beam is 20 degrees. Meanwhile, in order to ensure that each terminal can be allocated to a beam, it is necessary to determine the beam with the best beam number BI2 among all terminals, in this embodiment, terminal 3. Therefore, the base station groups terminal 3 and terminal 6, and allocates BI2 to terminal 3 and terminal 6.
Next, the terminals with the distance level 1 are grouped and allocated with beams. The terminal with the distance level 1 is acquired, and the terminal with the distance level 1 may be allocated with beams with the width of 20 degrees or 40 degrees for the terminal 4 and the terminal 5, and the optimal beams for the terminal 4 and the terminal 5 are numbered as BI1 and BI 3. For terminal 4, it may be covered using BI1, or may be covered using a beam composed of BI1 and BI2, but BI2 is already allocated. Therefore, the terminals 4 are individually grouped, and the BI1 is assigned to the terminal 4. For terminal 5, it may be covered with BI3, or with beams composed of BI2 and BI3, or with beams composed of BI3 and BI4, but BI2 has already been allocated. Therefore, beams composed of BI3 and BI4 are preferentially used for coverage. All terminals using BI3 and BI4 are acquired as terminal 1, terminal 2, and terminal 5. Accordingly, terminal 1, terminal 2, and terminal 5 are grouped, and beams consisting of BI3 and BI4 are allocated to terminal 1, terminal 2, and terminal 5.
Finally, the terminals with the distance level 2 are grouped and allocated with beams. A terminal with a distance class of 2 is acquired, terminal 7 and terminal 8 (terminals 1, 2 and 3 are not considered anymore if they have allocated beams). A terminal of distance class 2 may be allocated a beam having a width of 60 degrees, and the optimal beam numbers of terminals 7 and 8 are BI5 and BI 6. For terminal 7, it may be covered with BI5, or with a combination of BI5 and BI6, or with a combination of BI4 and BI5, or with a combination of BI4, BI5, and BI 6. However, since BI4 has already been used, coverage is preferentially covered using a combination of BI5 and BI 6. All terminals covered by BI5 and BI6 are reacquired as terminal 8, and therefore, terminal 7 and terminal 8 are grouped and BI5 and BI6 are allocated to terminal 7 and terminal 8.
The base station allocates the beams to the terminals according to the steps, so that the terminals can be allocated with proper beams, and on the premise that all the terminals are allocated with the beams, the beam switching of the terminals is reduced, and the user experience is improved.
Example four
An embodiment of the present invention provides a beam management apparatus, as shown in fig. 2, the apparatus includes:
an obtaining module 401, configured to obtain, by a base station, location information of one or more terminals;
a grouping module 402, configured to group the one or more terminals into one or more groups according to a grouping principle and the location information;
an allocating module 403, configured to allocate, by the base station, a corresponding beam to each group of terminals.
The device further comprises: a sending module 404, configured to send, by the base station, a beam measurement signal and threshold configuration information to the one or more terminals, where the beam measurement signal is used by the one or more terminals to determine optimal beam information of the one or more terminals, and the threshold configuration information includes: reference Signal Received Power (RSRP) threshold configuration information or Timing Advance (TA) threshold configuration information.
The base station acquiring the position information of one or more terminals comprises the following steps: the base station acquires distance information and angle information of the one or more terminals, wherein the distance information is represented by distance grade values of corresponding terminals, the angle information is represented by optimal beam information of corresponding terminals, and the distance grade values comprise RSRP grade values or TA grade values.
The grouping principle comprises: grouping terminals associated with the best beam information, wherein the terminals associated with the best beam information comprise: the terminal with the same optimal beam or the terminal with the adjacent optimal beam; before grouping the terminals adjacent to the best beam, it is determined whether to group the terminals adjacent to the best beam according to a beam allocation restriction rule.
The beam allocation restriction rule includes: a correspondence between the distance level values of the terminals and the beam width values assignable to the corresponding terminals.
The base station allocating corresponding beams to each group of terminals includes: and the base station allocates corresponding beams for the grouped terminals according to the optimal beam information of each terminal in each group.
EXAMPLE five
Fifth, an embodiment of the present invention provides a beam management apparatus, which includes a processor and a memory coupled to the processor. The memory having stored thereon a beam management program executable on the processor, the beam management program when executed by the processor implementing the steps of:
step S101: a base station acquires the position information of one or more terminals;
step S102: according to a grouping principle and the position information, the base station divides the one or more terminals into one or more groups of terminals;
step S103: and the base station allocates corresponding beams for each group of terminals.
In some further embodiments, where a beam management device is provided, the processor of the beam management device may also implement the steps performed by the beam management device in the aforementioned method embodiments, as well as other steps that may be performed by the beam management device.
EXAMPLE six
An embodiment of the present invention provides a storage medium, which may be configured to store program codes for performing the following steps:
step S101: a base station acquires the position information of one or more terminals;
step S102: according to a grouping principle and the position information, the base station divides the one or more terminals into one or more groups of terminals;
step S103: and the base station allocates corresponding beams for each group of terminals.
In this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
In the present embodiment, the processor executes the method steps described in the above embodiments according to the program code stored in the storage medium.
In this embodiment, the storage medium may be configured to store steps for execution, which may specifically refer to examples described in the first to third embodiments and other optional embodiments, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method of beam management, comprising:
a base station acquires the position information of one or more terminals;
according to a grouping principle and the position information, the base station divides the one or more terminals into one or more groups of terminals;
and the base station allocates corresponding beams for each group of terminals.
2. The method of claim 1, wherein prior to the base station obtaining location information for one or more terminals, the method further comprises:
the base station sends a beam measurement signal and threshold configuration information to the one or more terminals, where the beam measurement signal is used by the one or more terminals to determine their best beam information, and the threshold configuration information includes: reference Signal Received Power (RSRP) threshold configuration information or Timing Advance (TA) threshold configuration information.
3. The method of claim 2, wherein the base station obtaining location information for one or more terminals comprises:
the base station acquires distance information and angle information of the one or more terminals, wherein the distance information is represented by distance grade values of corresponding terminals, the angle information is represented by optimal beam information of corresponding terminals, and the distance grade values comprise RSRP grade values or TA grade values.
4. A method according to claim 3, wherein the grouping principle comprises:
grouping terminals associated with the best beam information, wherein the terminals associated with the best beam information comprise: the terminal with the same optimal beam or the terminal with the adjacent optimal beam; wherein,
before grouping the terminals adjacent to the optimal beam, the method further comprises the following steps: it is determined whether to group terminals adjacent to the best beam according to a beam allocation restriction rule.
5. The method of claim 4, wherein the beam allocation restriction rule comprises: a correspondence between the distance level values of the terminals and the beam width values assignable to the corresponding terminals.
6. The method of claim 4, wherein the base station allocating a respective beam for each group of terminals comprises:
and the base station allocates corresponding beams for the grouped terminals according to the optimal beam information of each terminal in each group.
7. A beam management apparatus, comprising:
an obtaining module, configured to obtain, by a base station, location information of one or more terminals;
the grouping module is used for grouping the one or more terminals into one or more groups of terminals by the base station according to a grouping principle and the position information;
and the allocation module is used for allocating corresponding beams to each group of terminals by the base station.
8. The method of claim 7, wherein the apparatus further comprises:
a sending module, configured to send, by the base station, a beam measurement signal and threshold configuration information to the one or more terminals, where the beam measurement signal is used by the one or more terminals to determine optimal beam information of the one or more terminals, and the threshold configuration information includes: reference Signal Received Power (RSRP) threshold configuration information or Timing Advance (TA) threshold configuration information;
the base station acquiring the position information of one or more terminals comprises the following steps: the base station acquires distance information and angle information of the one or more terminals, wherein the distance information is represented by distance grade values of corresponding terminals, the angle information is represented by optimal beam information of the corresponding terminals, and the distance grade values comprise RSRP grade values or TA grade values;
the grouping principle comprises: grouping terminals associated with the best beam information, wherein the terminals associated with the best beam information comprise: the terminal with the same optimal beam or the terminal with the adjacent optimal beam; before grouping the terminals adjacent to the best beam, it is determined whether to group the terminals adjacent to the best beam according to a beam allocation restriction rule.
9. A beam management device, comprising: a processor, and a memory coupled to the processor; the memory has stored thereon a beam management program executable on the processor, the beam management program when executed by the processor implementing the steps of the beam management method according to any of claims 1 to 5.
10. A computer storage medium, characterized in that a program of beam management is stored, which program, when executed by a processor, implements the steps of the beam management method according to any one of claims 1 to 5.
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| CN201810481711.3A CN110505696A (en) | 2018-05-18 | 2018-05-18 | A kind of beam allocation method, apparatus, equipment and computer storage medium |
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| CN201810481711.3A CN110505696A (en) | 2018-05-18 | 2018-05-18 | A kind of beam allocation method, apparatus, equipment and computer storage medium |
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| CN111149389A (en) * | 2019-12-09 | 2020-05-12 | 北京小米移动软件有限公司 | Information processing method, information processing device, communication equipment and storage medium |
| CN114828102A (en) * | 2022-05-30 | 2022-07-29 | 中国联合网络通信集团有限公司 | Interference management method, device and storage medium |
| WO2023273168A1 (en) * | 2021-06-29 | 2023-01-05 | 中兴通讯股份有限公司 | 5g massive mimo beam management method and apparatus, and storage medium and electronic device |
| WO2023051188A1 (en) * | 2021-09-29 | 2023-04-06 | 华为技术有限公司 | Group management method and communication apparatus |
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| WO2016188312A1 (en) * | 2015-05-28 | 2016-12-01 | Huawei Technologies Co., Ltd. | System and method for multi-level beamformed non-orthogonal multiple access communications |
| CN107005298A (en) * | 2014-12-02 | 2017-08-01 | Lg 电子株式会社 | The method and apparatus for sending control channel is shaped based on mixed-beam in a wireless communication system |
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| CN102067472A (en) * | 2008-08-15 | 2011-05-18 | 上海贝尔股份有限公司 | Method for beam-forming with fixed grid of beams, base station and user equipment |
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| CN111149389A (en) * | 2019-12-09 | 2020-05-12 | 北京小米移动软件有限公司 | Information processing method, information processing device, communication equipment and storage medium |
| WO2023273168A1 (en) * | 2021-06-29 | 2023-01-05 | 中兴通讯股份有限公司 | 5g massive mimo beam management method and apparatus, and storage medium and electronic device |
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