CN103220800A - Channel control method and device of multi-channel frequency hopping access system - Google Patents
Channel control method and device of multi-channel frequency hopping access system Download PDFInfo
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Abstract
The invention discloses a channel control method and device of a multi-channel frequency hopping access system. The method comprises the steps that when a user carries out voice service, a voice communication application is carried out by a control time slot in a synchronous control channel, a distribution time slot number of an idle voice service channel is acquired, a self frequency hopping table is switched under a synchronous condition, the idle voice service channel is accessed, and voice communication is carried out by the distribution time slot of the idle voice service channel; and whether data service communication is needed or not is inquired one by one for users in a polling mode by a polling time slot, and when the user carries out data service, polling inquiry is responded by the control time slot in the synchronous control channel, the distribution time slot number of the idle data service channel is acquired by the polling time slot, the self frequency hopping table is switched under the synchronous condition, the idle data service channel is accessed, and data communication is carried out by the distribution time slot of the idle data service channel.
Description
Technical field
The present invention relates to field of mobile communication, particularly relate to a kind of channel control method and device of multichannel frequency hopping connecting system.
Background technology
At present, the physical channel Intel Virtualization Technology is adopted in the realization of multichannel frequency-hopping communication system more, on logic channel, carry out the control of Synchronous Processing and channel, for the frequency hopping connecting system of separate physical channel synchronously and the channel control technology be in blank substantially, and for the synchronous and channel allocation of the arrowband multichannel frequency hopping connecting system that in the tactics wireless communication system, uses, do not have the suitable technique means.
Summary of the invention
The invention provides a kind of channel control method and device of multichannel frequency hopping connecting system, to solve in the prior art the synchronous problem of frequency hopping between a plurality of independent channels and to carry out channel allocation problem efficiently according to different user, different business.
The invention provides a kind of channel control method of multichannel frequency hopping connecting system, comprise: each channel in the multichannel frequency hopping connecting system all uses independently physical channel, and each interchannel employing physical connection is finished the clock synchronization between channel entity, synchronization control channel in the channel adopts identical frequency hopping table with other channels, each channel is offset mutually and makes not mutual exclusion of frequency, and method specifically comprises: the time slot of synchronization control channel is divided into synchronization slot, control time slot and polling time slot; It is synchronous to utilize synchronization slot to carry out the frequency hopping that the user inserts; Voice service when taking place in the user, carry out the Speech Communication application at synchronization control channel utilization control time slot, and obtain the distribution timeslot number of idle voice service channel, and the frequency hopping table of switching self under synchronous condition, insert idle voice service channel, utilize the time slot of idle voice service channel allocation to carry out Speech Communication, after voice service is finished and discharged corresponding voice service channel, get back to the control of synchronization control channel release this voice service channel; Utilize polling time slot the user is inquired about whether need data service communication one by one with polling mode, data service when taking place in the user, in synchronization control channel utilization control time slot responses poll inquiry, and utilize polling time slot to obtain the distribution timeslot number of idle data Traffic Channel, and the frequency hopping table of switching self under synchronous condition, insert the idle data Traffic Channel, utilize the time slot of idle data traffic channel assignments to carry out data communication, after data service is finished and discharged corresponding data traffic channels, get back to the control of synchronization control channel release to this data traffic channels.
Preferably, synchronization control channel adopts identical structure of time slot with data traffic channels.
Preferably, the structure of time slot of synchronization control channel is: according to the characteristic of multichannel frequency hopping connecting system, each time frame is divided into a 2n hops time slot, and wherein, hops is the frequency hopping rate of multichannel frequency hopping connecting system, and n is a natural number.
Preferably, the time slot of synchronization control channel is divided into synchronization slot, control time slot and polling time slot specifically to be comprised: a 2n hops time slot of synchronization control channel is divided into synchronization slot, controls time slot and polling time slot, each time slot 65 byte, wherein, synchronization slot comprises 2 time slots, the control time slot comprises (2n hops/2)-1 time slot, and polling time slot comprises (2n hops/2)+1 time slot.
Preferably, utilizing the time slot of idle data traffic channel assignments to carry out data communication specifically comprises: step 1, when the user carries out 1 of data communication at the time slot that utilizes the idle data traffic channel assignments behind the frame end, get back to synchronization control channel, control information judgement according to base station side has or not the business of seizing, if do not seize business, execution in step 2, otherwise, execution in step 3; Step 2, the user gets back to the time slot of idle data traffic channel assignments once more, and carries out data communication in 1 time frame, execution in step 1; Step 3, the user seizes business in the synchronization control channel response.
The present invention also provides a kind of channel control apparatus of multichannel frequency hopping connecting system, comprise: each channel in the multichannel frequency hopping connecting system all uses independently physical channel, and each interchannel employing physical connection is finished the clock synchronization between channel entity, synchronization control channel in the channel adopts identical frequency hopping table with other channels, each channel is offset mutually and makes not mutual exclusion of frequency, device specifically comprises: module is set, is used for the time slot of synchronization control channel is divided into synchronization slot, control time slot and polling time slot; The frequency hopping synchronization module, it is synchronous to be used to utilize synchronization slot to carry out the frequency hopping that the user inserts; The voice service module, be used for when voice service takes place the user, carry out the Speech Communication application at synchronization control channel utilization control time slot, and obtain the distribution timeslot number of idle voice service channel, and use the frequency hopping table at family self instead in the synchronous condition incision, insert idle voice service channel, utilize the time slot of idle voice service channel allocation to carry out Speech Communication, after voice service is finished and discharged corresponding voice service channel, get back to the control of synchronization control channel release to this voice service channel; The data service module, be used to utilize polling time slot the user is inquired about whether need data service communication one by one with polling mode, when data service takes place in the user, in synchronization control channel utilization control time slot responses poll inquiry, and utilize polling time slot to obtain the distribution timeslot number of idle data Traffic Channel, and use the frequency hopping table at family self instead in the synchronous condition incision, insert the idle data Traffic Channel, utilize the time slot of idle data traffic channel assignments to carry out data communication, after data service is finished and discharged corresponding data traffic channels, get back to the control of synchronization control channel release to this data traffic channels.
Preferably, synchronization control channel adopts identical structure of time slot with data traffic channels.
Preferably, the structure of time slot of synchronization control channel is: according to the characteristic of multichannel frequency hopping connecting system, each time frame is divided into a 2n hops time slot, and wherein, hops is the frequency hopping rate of multichannel frequency hopping connecting system, and n is a natural number.
Preferably, module is set specifically to be used for: a 2n hops time slot of synchronization control channel is divided into synchronization slot, control time slot and polling time slot, each time slot 65 byte, wherein, synchronization slot comprises 2 time slots, the control time slot comprises (2n hops/2)-1 time slot, and polling time slot comprises (2n hops/2)+1 time slot.
Preferably, the data service module specifically comprises: judge submodule, be used for when the user utilizes the time slot of idle data traffic channel assignments to carry out 1 of data communication behind the frame end, make the user get back to synchronization control channel, control information judgement according to base station side has or not the business of seizing, if do not seize business, calls the communication submodule, otherwise, call the response submodule; The communication submodule is used to reuse the time slot that the idle data traffic channel assignments is got back at the family, and carries out data communication in 1 time frame, calls the judgement submodule; The response submodule is used to make the user to seize business in the synchronization control channel response.
Beneficial effect of the present invention is as follows:
Insert and synchronisation control means by proposing a kind of channel that is applied to the multichannel frequency-hopping communication system, being used in a plurality of frequency hopping channels is handling synchronously and channel allocation technique when speech, data service access, solve in the prior art the synchronous problem of frequency hopping between a plurality of independent channels and carried out channel allocation problem efficiently according to different user, different business, can improve channel synchronization reliability and traffic channel assignments efficient between the multichannel frequency-hopping system, the elevator system overall performance.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
Description of drawings
By reading hereinafter detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing only is used to illustrate the purpose of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts with identical reference symbol.In the accompanying drawings:
Fig. 1 is the flow chart of channel control method of the multichannel frequency hopping connecting system of the embodiment of the invention;
Fig. 2 is that each interchannel of the embodiment of the invention adopts physical connection to finish the schematic diagram of the clock synchronization between channel entity;
Fig. 3 is the schematic diagram of a kind of typical time slot allocation model of the embodiment of the invention;
Fig. 4 is the channel distribution schematic diagram of the embodiment of the invention;
Fig. 5 is the processing schematic diagram of the burst voice service of the embodiment of the invention;
Fig. 6 is the structural representation of channel control apparatus of the multichannel frequency hopping connecting system of the embodiment of the invention.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Though shown exemplary embodiment of the present disclosure in the accompanying drawing, yet should be appreciated that and to realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order to understand the disclosure more thoroughly that these embodiment are provided, and can with the scope of the present disclosure complete convey to those skilled in the art.
In order to solve in the prior art the synchronous problem of frequency hopping between a plurality of independent channels and to carry out channel allocation problem efficiently according to different user, different business, the invention provides a kind of channel control method and device of multichannel frequency hopping connecting system, the technical scheme of the embodiment of the invention especially has very strong adaptability for the arrowband wireless access system, can be widely used in fields such as emergency communication system, tactical communication system.In embodiments of the present invention, each channel all uses in the multichannel frequency hopping connecting system of physical channel independently, and each interchannel adopts physical connection to finish clock synchronization between channel entity, realizes that frequency hopping is synchronous.Channel 0 as Synchronization Control all adopts identical frequency hopping table F0 with other channel, and according to the quantity of actual physics channel, other channel is offset respectively and guarantees that each interchannel frequency does not all produce mutual exclusion.Wherein channel 0 is used to the access and the Synchronization Control of the system that realizes, channel 1 is used for data service communication, and channel 2 is used for duplexing voice service communication.Channel 0 is as being divided into synchronization slot, control time slot, polling time slot 3 major parts with the dedicated channel time slot of controlling synchronously.The user communicates application at channel 0 control time slot when the burst voice service, switch self frequency hopping table, and access service channel 2 carries out Speech Communication; In channel 0 control time slot, respond poll inquiry when user's bursty data is professional, switch self frequency hopping table access service channel 1 and carry out data communication.
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, does not limit the present invention.
Method embodiment
According to embodiments of the invention, a kind of channel control method of multichannel frequency hopping connecting system is provided, each channel in the multichannel frequency hopping connecting system all uses independently physical channel, and each interchannel employing physical connection is finished the clock synchronization between channel entity, synchronization control channel in the channel adopts identical frequency hopping table with other channels, each channel is offset mutually and makes not mutual exclusion of frequency, Fig. 1 is the flow chart of channel control method of the multichannel frequency hopping connecting system of the embodiment of the invention, as shown in Figure 1, the channel control method according to the multichannel frequency hopping connecting system of the embodiment of the invention comprises following processing:
Step 101 is divided into synchronization slot, control time slot and polling time slot with the time slot of synchronization control channel; Particularly, the structure of time slot of synchronization control channel is: according to the characteristic of multichannel frequency hopping connecting system, each time frame is divided into a 2n hops time slot, and wherein, hops is the frequency hopping rate of multichannel frequency hopping connecting system, and n is a natural number.
Step 101 specifically comprises: a 2n hops time slot of synchronization control channel is divided into synchronization slot, control time slot and polling time slot, each time slot 65 byte, wherein, synchronization slot comprises 2 time slots, the control time slot comprises (2n hops/2)-1 time slot, and polling time slot comprises (2n hops/2)+1 time slot.
Step 102, it is synchronous to utilize synchronization slot to carry out the frequency hopping that the user inserts;
Step 103, voice service when taking place in the user, carry out the Speech Communication application at synchronization control channel utilization control time slot, and obtain the distribution timeslot number of idle voice service channel, and under synchronous condition, switch the frequency hopping table of self, and insert idle voice service channel, utilize the time slot of idle voice service channel allocation to carry out Speech Communication, after voice service is finished and discharged corresponding voice service channel, get back to the control of synchronization control channel release to this voice service channel;
Step 104, utilize polling time slot the user is inquired about whether need data service communication one by one with polling mode, data service when taking place in the user, in synchronization control channel utilization control time slot responses poll inquiry, and utilize polling time slot to obtain the distribution timeslot number of idle data Traffic Channel, and the frequency hopping table of switching self under synchronous condition, insert the idle data Traffic Channel, utilize the time slot of idle data traffic channel assignments to carry out data communication, after data service is finished and discharged corresponding data traffic channels, get back to the control of synchronization control channel release to this data traffic channels.
In step 104, utilize the time slot of idle data traffic channel assignments to carry out data communication and specifically comprise:
Step 3, the user seizes business in the synchronization control channel response.
Preferably, in embodiments of the present invention, synchronization control channel can adopt identical structure of time slot with data traffic channels.
Below in conjunction with accompanying drawing, the technique scheme of the embodiment of the invention is elaborated.
In embodiments of the present invention, each channel all uses in the multichannel frequency hopping connecting system of physical channel independently, and each interchannel adopts physical connection to finish clock synchronization between channel entity, realizes that frequency hopping is synchronous, and its structure as shown in Figure 2.
Fig. 3 is the schematic diagram of a kind of typical time slot allocation model of the embodiment of the invention, and as shown in Figure 3, wherein channel 0 is used to the access and the Synchronization Control of the system that realizes, channel 1 is used for data service communication, and channel 2 is used for duplexing voice service communication.The channel maximum that is used for data communication generally is no more than 2, is used for general 5 of not surpassing of channel of voice service.Channel 0 adopts identical structure of time slot with channel 1, and each time frame is divided into a 2n hops time slot according to the frequency-hopping system characteristic, and wherein hops is the frequency hopping rate of frequency-hopping system per second, and the selection of n value can be adjusted flexibly, generally speaking n〉6; Channel 2 is that 1 time slot reserved in every road speech, maximum support i converses simultaneously to the user, the size of i depends on characteristic index such as the channel width ability, customer service bandwidth demand of frequency-hopping system, channel width is wide more supports that then the number of users of conversation is many more simultaneously, but guaranteeing at least needs to guarantee that the effective bandwidth of each user's time slot is greater than 4800bps, to satisfy the basic audio demand.
As shown in Figure 3, channel 0 as Synchronization Control all adopts identical frequency hopping table F0 with other channel, channel 1 with the basis of channel 0 clock synchronization on frequency hopping pattern be offset M backward, the M value can be adjusted according to frequency range and frequency interval, not producing mutual exclusion up to interchannel disturbs, in like manner channel 2 is offset N(N backward〉M),, be offset respectively and guarantee that each interchannel frequency does not all produce mutual exclusion according to the quantity of actual physics channel.
Channel 0 is divided into 3 major parts as a dedicated channel 2n hops time slot synchronous and control, 65 bytes of each time slot, as shown in Figure 4.Wherein first is a synchronization slot, and totally 2 time slots are mainly finished frequency hopping that the user inserts synchronously and keep, and when having a plurality of access point in system, can realize switching between access point by the channel search in the synchronization slot; Second portion is the control time slot, be total to (2n hops/2)-1 time slot, mainly finish the channel request and the distribution of voice user, by this part time slot, specify corresponding idle voice channel,, also will finish the signaling exchange simultaneously channel number, side-play amount notice application user, the user who obtains channel allocation will directly change the corresponding service channel over to, use the business time-slot of appointment to carry out service communication.Third part is a polling time slot, be total to (2n hops/2)+1 time slot, this part time slot is mainly used in the butt joint access customer and inquires about whether need data service communication one by one with polling mode, then distribute the time slot of corresponding data traffic channels to give this user as user's response in the polling procedure, finish the distribution of data traffic channels according to the result of each time frame poll, just each user's distributed time slot number=2n hops/ applies for number of users (result rounds), uses but be fitted on next time frame more than the time slot total score.Because when applying for number of users more for a long time, polling cycle is elongated, the channel width that each user distributes descends, and the data service user who therefore takes all factors into consideration general access needs to limit accordingly according to real system bandwidth, user's request etc.
The user is when the burst voice service, as Fig. 5, at first utilize the control time slot to carry out the Speech Communication application at channel 0, after obtaining the distribution timeslot number of idle voice service channel, switch self frequency hopping table under synchronous condition, access service channel 2 utilizes distributed time slot to carry out Speech Communication simultaneously, after voice service is finished, discharge channel 2, and get back to the control that channel 0 discharges channel 2.Because the data user has distributed polling time slot according to user's access situation when base station side is registered, therefore when user's bursty data is professional, at first in channel 0 control time slot, respond poll inquiry, after obtaining the distribution timeslot number of idle data Traffic Channel, under synchronous condition, switch self frequency hopping table, access service channel 1, utilize distributed time slot to carry out data communication simultaneously, in the time of one, get back to channel 0 behind the frame end, the control information of corresponding base station side, as do not have other and seize business (as speech) and then in 1 time frame, carry out data communication once more or to channel 2, so repeatedly, but user's release data channel time slot when not having data service is for a long time redistributed new business time-slot again when next data burst poll.
In sum, technical scheme by means of the embodiment of the invention, insert and synchronisation control means by proposing a kind of channel that is applied to the multichannel frequency-hopping communication system, being used in a plurality of frequency hopping channels is handling synchronously and channel allocation technique when speech, data service access, solve in the prior art the synchronous problem of frequency hopping between a plurality of independent channels and carried out channel allocation problem efficiently according to different user, different business, can improve channel synchronization reliability and traffic channel assignments efficient between the multichannel frequency-hopping system, the elevator system overall performance.
Device embodiment
According to embodiments of the invention, a kind of channel control apparatus of multichannel frequency hopping connecting system is provided, each channel in the multichannel frequency hopping connecting system all uses independently physical channel, and each interchannel employing physical connection is finished the clock synchronization between channel entity, synchronization control channel in the channel adopts identical frequency hopping table with other channels, each channel is offset mutually and makes not mutual exclusion of frequency, Fig. 6 is the structural representation of channel control apparatus of the multichannel frequency hopping connecting system of the embodiment of the invention, as shown in Figure 6, channel control apparatus according to the multichannel frequency hopping connecting system of the embodiment of the invention comprises: module 60 is set, frequency hopping synchronization module 62, voice service module 64, and data service module 66, below each module of the embodiment of the invention is described in detail.
Frequency hopping synchronization module 62, it is synchronous to be used to utilize synchronization slot to carry out the frequency hopping that the user inserts;
Judge submodule, be used for when the user utilizes the time slot of idle data traffic channel assignments to carry out 1 of data communication behind the frame end, make the user get back to synchronization control channel, control information judgement according to base station side has or not the business of seizing, if do not seize business, call the communication submodule, otherwise, the response submodule called;
The communication submodule is used to reuse the time slot that the idle data traffic channel assignments is got back at the family, and carries out data communication in 1 time frame, calls the judgement submodule;
The response submodule is used to make the user to seize business in the synchronization control channel response.
Preferably, in embodiments of the present invention, synchronization control channel adopts identical structure of time slot with data traffic channels.
More than the detailed process of each module in said method embodiment, have been described in detail, the processing of each module among this device embodiment can be understood with reference to the corresponding contents of said method embodiment, does not repeat them here.
In sum, technical scheme by means of the embodiment of the invention, insert and synchronisation control means by proposing a kind of channel that is applied to the multichannel frequency-hopping communication system, being used in a plurality of frequency hopping channels is handling synchronously and channel allocation technique when speech, data service access, solve in the prior art the synchronous problem of frequency hopping between a plurality of independent channels and carried out channel allocation problem efficiently according to different user, different business, can improve channel synchronization reliability and traffic channel assignments efficient between the multichannel frequency-hopping system, the elevator system overall performance.
Intrinsic not relevant at this algorithm that provides with any certain computer, virtual system or miscellaneous equipment with demonstration.Various general-purpose systems also can be with using based on the teaching at this.According to top description, it is conspicuous constructing the desired structure of this type systematic.In addition, the present invention is not also at any certain programmed language.Should be understood that and to utilize various programming languages to realize content of the present invention described here, and the top description that language-specific is done is in order to disclose preferred forms of the present invention.
In the specification that is provided, a large amount of details have been described herein.Yet, can understand, embodiments of the invention can be put into practice under the situation of these details not having.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand one or more in each inventive aspect, in the description to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes in the above.Yet the method for the disclosure should be construed to the following intention of reflection: promptly the present invention for required protection requires the more feature of feature clearly put down in writing than institute in each claim.Or rather, as following claims reflected, inventive aspect was to be less than all features of the disclosed single embodiment in front.Therefore, follow claims of embodiment and incorporate this embodiment thus clearly into, wherein each claim itself is all as independent embodiment of the present invention.
Those skilled in the art are appreciated that and can adaptively change and they are arranged in one or more equipment different with this embodiment the module in the equipment among the embodiment.Can be the module among the embodiment or unit or the synthetic module of component groups or unit or assembly, and can be divided into a plurality of submodules or subelement or sub-component to them in addition.In such feature and/or process or unit at least some are mutually repelling, and can adopt any combination to disclosed all features in this specification (comprising claim, summary and the accompanying drawing followed) and so all processes or the unit of disclosed any method or equipment make up.Unless clearly statement in addition, disclosed each feature can be by providing identical, being equal to or the alternative features of similar purpose replaces in this specification (comprising claim, summary and the accompanying drawing followed).
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature rather than further feature included among other embodiment, the combination of features of different embodiment means and is within the scope of the present invention and forms different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with compound mode arbitrarily.
Each parts embodiment of the present invention can realize with hardware, perhaps realizes with the software module of moving on one or more processor, and perhaps the combination with them realizes.It will be understood by those of skill in the art that and to use microprocessor or digital signal processor (DSP) to realize in practice according to some or all some or repertoire of parts in the channel control apparatus of the multichannel frequency hopping connecting system of the embodiment of the invention.The present invention can also be embodied as part or all equipment or the device program (for example, computer program and computer program) that is used to carry out method as described herein.Such realization program of the present invention can be stored on the computer-readable medium, perhaps can have the form of one or more signal.Such signal can be downloaded from internet website and obtain, and perhaps provides on carrier signal, perhaps provides with any other form.
It should be noted the foregoing description the present invention will be described rather than limit the invention, and those skilled in the art can design alternative embodiment under the situation of the scope that does not break away from claims.In the claims, any reference symbol between bracket should be configured to restriction to claim.Word " comprises " not to be got rid of existence and is not listed in element or step in the claim.Being positioned at word " " before the element or " one " does not get rid of and has a plurality of such elements.The present invention can realize by means of the hardware that includes some different elements and by means of the computer of suitably programming.In having enumerated the unit claim of some devices, several in these devices can be to come imbody by same hardware branch.Any order is not represented in the use of word first, second and C grade.Can be title with these word explanations.
Claims (10)
1. the channel control method of a multichannel frequency hopping connecting system, it is characterized in that, each channel in the described multichannel frequency hopping connecting system all uses independently physical channel, and each interchannel employing physical connection is finished the clock synchronization between channel entity, synchronization control channel in the channel adopts identical frequency hopping table with other channels, each channel is offset mutually and makes not mutual exclusion of frequency, and described method specifically comprises:
The time slot of described synchronization control channel is divided into synchronization slot, control time slot and polling time slot;
It is synchronous to utilize described synchronization slot to carry out the frequency hopping that the user inserts;
Voice service when taking place in the user, utilize described control time slot to carry out the Speech Communication application at described synchronization control channel, and obtain the distribution timeslot number of idle voice service channel, and the frequency hopping table of switching self under synchronous condition, insert described idle voice service channel, utilize the time slot of described idle voice service channel allocation to carry out Speech Communication, after voice service is finished and discharged corresponding voice service channel, get back to the control of described synchronization control channel release this voice service channel;
Utilize described polling time slot the user is inquired about whether need data service communication one by one with polling mode, data service when taking place in the user, utilize described control time slot responses poll inquiry at described synchronization control channel, and utilize described polling time slot to obtain the distribution timeslot number of idle data Traffic Channel, and the frequency hopping table of switching self under synchronous condition, insert described idle data Traffic Channel, utilize the time slot of described idle data traffic channel assignments to carry out data communication, after data service is finished and discharged corresponding data traffic channels, get back to the control of described synchronization control channel release to this data traffic channels.
2. the method for claim 1 is characterized in that, described synchronization control channel adopts identical structure of time slot with data traffic channels.
3. method as claimed in claim 1 or 2, it is characterized in that, the structure of time slot of described synchronization control channel is: according to the characteristic of described multichannel frequency hopping connecting system, each time frame is divided into a 2n hops time slot, wherein, hops is the frequency hopping rate of described multichannel frequency hopping connecting system, and n is a natural number.
4. method as claimed in claim 3 is characterized in that, the time slot of described synchronization control channel is divided into synchronization slot, control time slot and polling time slot specifically comprises:
A 2n hops time slot of described synchronization control channel is divided into synchronization slot, control time slot and polling time slot, each time slot 65 byte, wherein, described synchronization slot comprises 2 time slots, described control time slot comprises (2n hops/2)-1 time slot, and described polling time slot comprises (2n hops/2)+1 time slot.
5. the method for claim 1 is characterized in that, utilizes the time slot of described idle data traffic channel assignments to carry out data communication and specifically comprises:
Step 1 behind the frame end, is got back to described synchronization control channel when the user carries out 1 of data communication at the time slot that utilizes described idle data traffic channel assignments, control information judgement according to base station side has or not the business of seizing, if do not seize business, execution in step 2, otherwise, execution in step 3;
Step 2, the user gets back to the time slot of described idle data traffic channel assignments once more, and carries out data communication in 1 time frame, execution in step 1;
Step 3, the user is in the described business of seizing of described synchronization control channel response.
6. the channel control apparatus of a multichannel frequency hopping connecting system, it is characterized in that, each channel in the described multichannel frequency hopping connecting system all uses independently physical channel, and each interchannel employing physical connection is finished the clock synchronization between channel entity, synchronization control channel in the channel adopts identical frequency hopping table with other channels, each channel is offset mutually and makes not mutual exclusion of frequency, and described device specifically comprises:
Module is set, is used for the time slot of described synchronization control channel is divided into synchronization slot, control time slot and polling time slot;
The frequency hopping synchronization module, it is synchronous to be used to utilize described synchronization slot to carry out the frequency hopping that the user inserts;
The voice service module, be used for when voice service takes place the user, utilize described control time slot to carry out the Speech Communication application at described synchronization control channel, and obtain the distribution timeslot number of idle voice service channel, and use the frequency hopping table at family self instead in the synchronous condition incision, insert described idle voice service channel, utilize the time slot of described idle voice service channel allocation to carry out Speech Communication, after voice service is finished and discharged corresponding voice service channel, get back to the control of described synchronization control channel release to this voice service channel;
The data service module, be used to utilize described polling time slot the user is inquired about whether need data service communication one by one with polling mode, when data service takes place in the user, utilize described control time slot responses poll inquiry at described synchronization control channel, and utilize described polling time slot to obtain the distribution timeslot number of idle data Traffic Channel, and use the frequency hopping table at family self instead in the synchronous condition incision, insert described idle data Traffic Channel, utilize the time slot of described idle data traffic channel assignments to carry out data communication, after data service is finished and discharged corresponding data traffic channels, get back to the control of described synchronization control channel release to this data traffic channels.
7. device as claimed in claim 6 is characterized in that, described synchronization control channel adopts identical structure of time slot with data traffic channels.
8. as claim 6 or 7 described devices, it is characterized in that, the structure of time slot of described synchronization control channel is: according to the characteristic of described multichannel frequency hopping connecting system, each time frame is divided into a 2n hops time slot, wherein, hops is the frequency hopping rate of described multichannel frequency hopping connecting system, and n is a natural number.
9. device as claimed in claim 8, it is characterized in that, the described module that is provided with specifically is used for: a 2n hops time slot of described synchronization control channel is divided into synchronization slot, control time slot and polling time slot, each time slot 65 byte, wherein, described synchronization slot comprises 2 time slots, and described control time slot comprises (2n hops/2)-1 time slot, and described polling time slot comprises (2n hops/2)+1 time slot.
10. device as claimed in claim 6 is characterized in that, described data service module specifically comprises:
Judge submodule, be used for when the user utilizes the time slot of described idle data traffic channel assignments to carry out 1 of data communication behind the frame end, make the user get back to described synchronization control channel, control information judgement according to base station side has or not the business of seizing, if do not seize business, call the communication submodule, otherwise, described response submodule called;
The communication submodule is used to reuse the time slot that described idle data traffic channel assignments is got back at the family, and carries out data communication in 1 time frame, calls described judgement submodule;
The response submodule is used to make the user in the described business of seizing of described synchronization control channel response.
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| CN109936875A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院沈阳自动化研究所 | A kind of double-channel media access control method priority-based |
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| CN110839269A (en) * | 2019-11-26 | 2020-02-25 | 中国电子科技集团公司第五十四研究所 | Broadband frequency hopping clustering multilevel self-organizing network waveform design method |
| CN110839269B (en) * | 2019-11-26 | 2021-04-02 | 中国电子科技集团公司第五十四研究所 | Broadband frequency hopping clustering multilevel self-organizing network waveform design method |
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| CN111294907B (en) * | 2020-03-13 | 2022-06-24 | 青岛交互物联科技有限公司 | Low-power-consumption high-interference-resistance wireless networking method |
| CN113098559A (en) * | 2020-03-30 | 2021-07-09 | 深圳友讯达科技股份有限公司 | Wireless frequency hopping network-based multi-channel multi-rate concurrent communication method |
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