RU2000112928A - DEVICE AND METHOD FOR PRODUCING QUASI ORTHOGONAL CODE AND EXTENSION OF CHANNEL SIGNALS IN MOBILE COMMUNICATION SYSTEM - Google Patents
DEVICE AND METHOD FOR PRODUCING QUASI ORTHOGONAL CODE AND EXTENSION OF CHANNEL SIGNALS IN MOBILE COMMUNICATION SYSTEMInfo
- Publication number
- RU2000112928A RU2000112928A RU2000112928/09A RU2000112928A RU2000112928A RU 2000112928 A RU2000112928 A RU 2000112928A RU 2000112928/09 A RU2000112928/09 A RU 2000112928/09A RU 2000112928 A RU2000112928 A RU 2000112928A RU 2000112928 A RU2000112928 A RU 2000112928A
- Authority
- RU
- Russia
- Prior art keywords
- orthogonal
- quasi
- orthogonal code
- code
- mask
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000010295 mobile communication Methods 0.000 title 1
- 241001442055 Vipera berus Species 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 230000000873 masking Effects 0.000 claims 1
- 230000001131 transforming Effects 0.000 claims 1
- 230000001702 transmitter Effects 0.000 claims 1
Claims (1)
6. Способ по п. 2, по которому маску для выработки двоичного квазиортогонального кода выбирают в качестве маски двоичного квазиортогонального кода в случае, когда значение корреляции каждой части N/M не превышает где N - полная длина кандидата двоичного квазиортогонального кода и ортогонального кода Уолша, М= 2m и m= 0, l, . . . , log2N, на этапе выбора квазиортогонального кода из выработанных семейств кандидатов.5. The method of claim 2, wherein the column permutation function is and
6. The method of claim 2, wherein the mask for generating the binary quasi-orthogonal code is selected as the mask of the binary quasi-orthogonal code when the correlation value of each part of N / M does not exceed where N is the total length of the candidate binary quasi-orthogonal code and the orthogonal Walsh code, M = 2 m and m = 0, l,. . . , log 2 N, at the stage of selecting a quasi-orthogonal code from the developed families of candidates.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR19980040408 | 1998-09-25 | ||
KR1998/40408 | 1998-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2000112928A true RU2000112928A (en) | 2002-04-27 |
RU2216880C2 RU2216880C2 (en) | 2003-11-20 |
Family
ID=19552295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2000112928/09A RU2216880C2 (en) | 1998-09-25 | 1999-09-22 | Device and method for generating quasiorthogonal code and for stretching channel signals in mobile communication system |
Country Status (9)
Country | Link |
---|---|
US (1) | US6731674B1 (en) |
EP (1) | EP1034665B1 (en) |
CN (1) | CN1130867C (en) |
AU (1) | AU749559B2 (en) |
BR (1) | BR9909592A (en) |
CA (1) | CA2310815C (en) |
DE (1) | DE69916787T2 (en) |
RU (1) | RU2216880C2 (en) |
WO (1) | WO2000019730A2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6173007B1 (en) * | 1997-01-15 | 2001-01-09 | Qualcomm Inc. | High-data-rate supplemental channel for CDMA telecommunications system |
US6314125B1 (en) * | 1998-12-09 | 2001-11-06 | Qualcomm Incorporated | Method and apparatus for the construction and transmission of binary quasi orthogonal vectors |
US6661833B1 (en) * | 2000-01-31 | 2003-12-09 | Qualcomm Incorporated | PN generators for spread spectrum communications systems |
KR100438447B1 (en) * | 2000-10-20 | 2004-07-03 | 삼성전자주식회사 | Burst pilot transmit apparatus and method in mobile communication system |
US7133433B2 (en) * | 2001-08-21 | 2006-11-07 | Infineon Technologies Ag | Method and apparatus for enhancing data rates in spread spectrum communication systems |
US7583586B2 (en) * | 2004-07-02 | 2009-09-01 | Samsung Electronics Co., Ltd | Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme |
US7551582B2 (en) * | 2004-10-12 | 2009-06-23 | Nextel Communications Inc. | System and method for optimizing walsh code assignments |
US7580451B2 (en) * | 2005-10-07 | 2009-08-25 | Vanu, Inc. | Decoding of Walsh codes |
US8830983B2 (en) * | 2005-12-20 | 2014-09-09 | Lg Electronics Inc. | Method of generating code sequence and method of transmitting signal using the same |
CN102123014B (en) * | 2010-03-30 | 2016-05-18 | 电信科学技术研究院 | Orthogonal covering codes configuration and frequency hopping configuration indicating method and device |
US9019810B2 (en) | 2011-01-17 | 2015-04-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method of allocating walsh codes and quasi-orthogonal functional codes in a CDMA network |
FI122601B (en) * | 2011-04-28 | 2012-04-13 | Fastrax Ltd | Correlation calculation method, device and system |
US10868628B1 (en) | 2019-04-02 | 2020-12-15 | Huawei Technologies Co., Ltd. | Method and apparatus for generating and implementing spectrally-efficient orthogonal codes for wireless communications |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3715508A (en) * | 1967-09-15 | 1973-02-06 | Ibm | Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
JP2001513213A (en) * | 1997-02-26 | 2001-08-28 | シーメンス アクチエンゲゼルシヤフト | Method and apparatus for computer-assisted transposition for transposition of digital signals and method and apparatus for encryption of digital signals |
US6157611A (en) * | 1998-08-18 | 2000-12-05 | Qualcomm Inc. | Method and apparatus for transmission and construction of quasi orthogonal vectors |
US6240143B1 (en) * | 1998-08-18 | 2001-05-29 | Qualcomm Inc. | Method and apparatus for the reflection and transmission of quasi orthogonal vectors |
US6314125B1 (en) * | 1998-12-09 | 2001-11-06 | Qualcomm Incorporated | Method and apparatus for the construction and transmission of binary quasi orthogonal vectors |
-
1999
- 1999-09-22 AU AU57638/99A patent/AU749559B2/en not_active Expired
- 1999-09-22 WO PCT/KR1999/000578 patent/WO2000019730A2/en active Application Filing
- 1999-09-22 RU RU2000112928/09A patent/RU2216880C2/en active
- 1999-09-22 DE DE69916787T patent/DE69916787T2/en not_active Expired - Fee Related
- 1999-09-22 EP EP99944918A patent/EP1034665B1/en not_active Expired - Lifetime
- 1999-09-22 CA CA002310815A patent/CA2310815C/en not_active Expired - Lifetime
- 1999-09-22 BR BR9909592-0A patent/BR9909592A/en not_active IP Right Cessation
- 1999-09-22 CN CN99801680.2A patent/CN1130867C/en not_active Expired - Lifetime
- 1999-09-24 US US09/405,333 patent/US6731674B1/en not_active Expired - Lifetime
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