TW201130233A - Interference cancellation for non-orthogonal channel sets - Google Patents
Interference cancellation for non-orthogonal channel setsInfo
- Publication number
- TW201130233A TW201130233A TW099106352A TW99106352A TW201130233A TW 201130233 A TW201130233 A TW 201130233A TW 099106352 A TW099106352 A TW 099106352A TW 99106352 A TW99106352 A TW 99106352A TW 201130233 A TW201130233 A TW 201130233A
- Authority
- TW
- Taiwan
- Prior art keywords
- channel set
- estimation
- ssc
- cancellation
- interference cancellation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
- H04B1/71072—Successive interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2009/075176 WO2011063567A1 (en) | 2009-11-27 | 2009-11-27 | Interference cancellation for non-orthogonal channel sets |
Publications (1)
Publication Number | Publication Date |
---|---|
TW201130233A true TW201130233A (en) | 2011-09-01 |
Family
ID=44065821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW099106352A TW201130233A (en) | 2009-11-27 | 2010-03-04 | Interference cancellation for non-orthogonal channel sets |
Country Status (6)
Country | Link |
---|---|
US (1) | US8831156B2 (zh) |
EP (1) | EP2505010A4 (zh) |
JP (1) | JP5596168B2 (zh) |
CN (1) | CN102668611A (zh) |
TW (1) | TW201130233A (zh) |
WO (1) | WO2011063567A1 (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8781043B2 (en) * | 2006-11-15 | 2014-07-15 | Qualcomm Incorporated | Successive equalization and cancellation and successive mini multi-user detection for wireless communication |
WO2013127056A1 (en) * | 2012-02-27 | 2013-09-06 | Qualcomm Incorporated | Estimation of interference power for secondary scrambling code |
WO2016027556A1 (ja) * | 2014-08-21 | 2016-02-25 | 株式会社Nttドコモ | 基地局、ユーザ装置および無線通信システム |
US10389477B2 (en) * | 2015-03-15 | 2019-08-20 | Qualcomm Incorporated | Devices and methods for facilitating a non-orthogonal underlay in wireless communications systems |
CN106160831B (zh) * | 2015-03-23 | 2019-09-17 | 电信科学技术研究院 | 一种信号检测方法及装置 |
WO2017167938A1 (en) | 2016-03-31 | 2017-10-05 | British Telecommunications Public Limited Company | Method and apparatus for transmitting data over a plurality of pairs of wires |
EP3301898A1 (en) * | 2016-09-29 | 2018-04-04 | British Telecommunications public limited company | Method and apparatus for transmitting data from a transmitter device to one or more receiver devices |
US10812216B2 (en) | 2018-11-05 | 2020-10-20 | XCOM Labs, Inc. | Cooperative multiple-input multiple-output downlink scheduling |
US10756860B2 (en) | 2018-11-05 | 2020-08-25 | XCOM Labs, Inc. | Distributed multiple-input multiple-output downlink configuration |
US10432272B1 (en) | 2018-11-05 | 2019-10-01 | XCOM Labs, Inc. | Variable multiple-input multiple-output downlink user equipment |
US10659112B1 (en) | 2018-11-05 | 2020-05-19 | XCOM Labs, Inc. | User equipment assisted multiple-input multiple-output downlink configuration |
KR20210087089A (ko) | 2018-11-27 | 2021-07-09 | 엑스콤 랩스 인코퍼레이티드 | 넌-코히어런트 협력 다중 입출력 통신 |
US11063645B2 (en) | 2018-12-18 | 2021-07-13 | XCOM Labs, Inc. | Methods of wirelessly communicating with a group of devices |
US10756795B2 (en) | 2018-12-18 | 2020-08-25 | XCOM Labs, Inc. | User equipment with cellular link and peer-to-peer link |
US11330649B2 (en) | 2019-01-25 | 2022-05-10 | XCOM Labs, Inc. | Methods and systems of multi-link peer-to-peer communications |
US10756767B1 (en) | 2019-02-05 | 2020-08-25 | XCOM Labs, Inc. | User equipment for wirelessly communicating cellular signal with another user equipment |
WO2020181039A1 (en) | 2019-03-06 | 2020-09-10 | XCOM Labs, Inc. | Local breakout architecture |
US10756782B1 (en) | 2019-04-26 | 2020-08-25 | XCOM Labs, Inc. | Uplink active set management for multiple-input multiple-output communications |
US11032841B2 (en) | 2019-04-26 | 2021-06-08 | XCOM Labs, Inc. | Downlink active set management for multiple-input multiple-output communications |
US10735057B1 (en) | 2019-04-29 | 2020-08-04 | XCOM Labs, Inc. | Uplink user equipment selection |
US10686502B1 (en) | 2019-04-29 | 2020-06-16 | XCOM Labs, Inc. | Downlink user equipment selection |
US11411778B2 (en) | 2019-07-12 | 2022-08-09 | XCOM Labs, Inc. | Time-division duplex multiple input multiple output calibration |
Family Cites Families (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5218619A (en) | 1990-12-17 | 1993-06-08 | Ericsson Ge Mobile Communications Holding, Inc. | CDMA subtractive demodulation |
KR950035142A (ko) | 1994-03-10 | 1995-12-30 | 가나미야지 준 | 수신장치, 기지국 수신 시스템 및 이동국 수신시스템 |
JP3285725B2 (ja) * | 1994-03-10 | 2002-05-27 | 沖電気工業株式会社 | 受信装置 |
FI943196A (fi) | 1994-07-04 | 1996-01-05 | Nokia Telecommunications Oy | Vastaanottomenetelmä |
DE69633219T2 (de) | 1995-06-13 | 2005-08-25 | Ntt Docomo, Inc. | Cdma-demodulator |
DE19616829C1 (de) | 1996-04-26 | 1997-04-24 | Siemens Ag | System zur Funkübertragung digitaler Signale zwischen mehreren Teilnehmerstationen und einer Basisstation |
SG77607A1 (en) | 1997-08-26 | 2001-01-16 | Univ Singapore | A multi-user code division multiple access receiver |
US6363103B1 (en) | 1998-04-09 | 2002-03-26 | Lucent Technologies Inc. | Multistage interference cancellation for CDMA applications using M-ary orthogonal moduation |
JP3800382B2 (ja) | 1998-09-04 | 2006-07-26 | 富士通株式会社 | 干渉キャンセラにおける伝搬路推定方法及び干渉除去装置 |
SE9900684L (sv) | 1999-02-26 | 2000-08-27 | Ericsson Telefon Ab L M | Interferensundertryckning i radio stationer |
JP2000315993A (ja) * | 1999-04-28 | 2000-11-14 | Fujitsu Ltd | Cdma方式受信機のマルチステージ型干渉キャンセラ |
JP3377762B2 (ja) | 1999-05-19 | 2003-02-17 | 株式会社半導体理工学研究センター | 強誘電体不揮発性メモリ |
US6404760B1 (en) | 1999-07-19 | 2002-06-11 | Qualcomm Incorporated | CDMA multiple access interference cancellation using signal estimation |
FR2800944B1 (fr) | 1999-11-04 | 2002-01-25 | Cit Alcatel | Procede pour augmenter la capacite d'un reseau cdma, et unites associees |
US6665288B1 (en) | 1999-11-08 | 2003-12-16 | Ericsson Inc. | Method and apparatus for reducing synchronization code interference in CDMA communications systems |
FI19992694A (fi) | 1999-12-15 | 2001-06-16 | Nokia Networks Oy | Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin |
US6917642B1 (en) | 2000-02-23 | 2005-07-12 | Ipr Licensing, Inc. | Method for using a non-orthogonal pilot signal with data channel interference cancellation |
US6963546B2 (en) | 2000-03-15 | 2005-11-08 | Interdigital Technology Corp. | Multi-user detection using an adaptive combination of joint detection and successive interface cancellation |
US6411608B2 (en) | 2000-07-12 | 2002-06-25 | Symbol Technologies, Inc. | Method and apparatus for variable power control in wireless communications systems |
CN1146171C (zh) | 2000-11-24 | 2004-04-14 | 华为技术有限公司 | 大容量同步码分多址扩频通信系统的实现方法 |
JP2002232397A (ja) | 2001-01-31 | 2002-08-16 | Ntt Docomo Inc | 移動通信システムにおける受信処理方法及び受信装置 |
US20020131390A1 (en) * | 2001-03-09 | 2002-09-19 | Wen-Yi Kuo | Cancellation of non-orthogonal signal in CDMA wireless communications systems |
US7099374B2 (en) | 2001-03-14 | 2006-08-29 | Mercury Computer Systems, Inc. | Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving matched-filter outputs |
US7190710B2 (en) | 2001-06-08 | 2007-03-13 | Broadcom Corporation | Successive interference canceling for CMDA |
US7133435B2 (en) | 2001-06-20 | 2006-11-07 | Texas Instruments Incorporated | Interference cancellation system and method |
US7190748B2 (en) | 2001-08-17 | 2007-03-13 | Dsp Group Inc. | Digital front-end for wireless communication system |
US6956893B2 (en) | 2001-08-20 | 2005-10-18 | Motorola, Inc. | Linear minimum mean square error equalization with interference cancellation for mobile communication forward links utilizing orthogonal codes covered by long pseudorandom spreading codes |
US7280585B2 (en) | 2002-02-11 | 2007-10-09 | Texas Instruments Incorporated | Parallel interference cancellation device for multi-user CDMA systems |
US7035284B2 (en) | 2002-03-14 | 2006-04-25 | Qualcomm Incorporated | Method and apparatus for reducing inter-channel interference in a wireless communication system employing a non-periodic interleaver |
US7593357B2 (en) | 2002-03-28 | 2009-09-22 | Interdigital Technology Corporation | Transmit processing using receiver functions |
US7469003B2 (en) | 2002-06-11 | 2008-12-23 | Texas Instruments Incorporated | Method and apparatus for adaptive channel equalization using decision feedback |
WO2003107546A1 (en) | 2002-06-14 | 2003-12-24 | Dspace Pty Ltd | Method and receiver for processing a multi-user signal |
US6928104B2 (en) | 2002-07-18 | 2005-08-09 | Interdigital Technology Corporation | Scaling using gain factors for use in data detection for wireless code division multiple access communication systems |
TWI335735B (en) | 2002-07-19 | 2011-01-01 | Interdigital Tech Corp | Groupwise successive interference cancellation for block transmission with reception diversity |
US7440490B2 (en) | 2002-12-18 | 2008-10-21 | Anna Kidiyarova-Shevchenko | Method and apparatus for multi-user detection using RSFQ successive interference cancellation in CDMA wireless systems |
US7656936B2 (en) | 2003-01-28 | 2010-02-02 | Cisco Technology, Inc. | Method and system for interference reduction in a wireless communication network using a joint detector |
US7099378B2 (en) | 2003-01-30 | 2006-08-29 | The Mitre Corporation | Sub-symbol parallel interference cancellation |
US20040203812A1 (en) * | 2003-02-18 | 2004-10-14 | Malladi Durga Prasad | Communication receiver with an adaptive equalizer that uses channel estimation |
US7346103B2 (en) | 2003-03-03 | 2008-03-18 | Interdigital Technology Corporation | Multi user detection using equalization and successive interference cancellation |
WO2004095713A2 (en) | 2003-04-14 | 2004-11-04 | Bae Systems Information And Electronic Systems Integration Inc. | Joint symbol, amplitude, and rate estimator |
US7302233B2 (en) | 2003-06-23 | 2007-11-27 | Texas Instruments Incorporated | Multiuser detection for wireless communications systems in the presence of interference |
JP4182345B2 (ja) | 2003-06-26 | 2008-11-19 | 日本電気株式会社 | 干渉キャンセルユニット及びマルチユーザ干渉キャンセラ |
US7428260B2 (en) | 2003-10-30 | 2008-09-23 | Marvell World Trade Ltd. | Unified MMSE equalization and multi-user detection approach for use in a CDMA system |
US7822155B2 (en) | 2003-11-04 | 2010-10-26 | Telefonaktiebolaget L M Ericsson (Publ) | Interference estimation in CDMA systems using alternative scrambling codes |
US7339980B2 (en) | 2004-03-05 | 2008-03-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Successive interference cancellation in a generalized RAKE receiver architecture |
KR100633483B1 (ko) | 2004-06-09 | 2006-10-16 | 한국전자통신연구원 | 셀룰러 시스템 수신기에서의 이레이져 검출 및 연판정복호 장치와 그 방법 |
JP2005354255A (ja) * | 2004-06-09 | 2005-12-22 | Fujitsu Ltd | 干渉除去装置及び干渉除去方法 |
US7477634B1 (en) | 2005-02-10 | 2009-01-13 | Advanced Receiver Technologies, Llc | Method and apparatus for a chip-level no-decision feedback equalizer for CDMA wireless systems |
US7991088B2 (en) | 2005-11-15 | 2011-08-02 | Tommy Guess | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US8638771B2 (en) | 2005-08-12 | 2014-01-28 | Qualcomm Incorporated | Transmission structure supporting multi-user scheduling and MIMO transmission |
US7702048B2 (en) | 2005-11-15 | 2010-04-20 | Tensorcomm, Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US8472877B2 (en) | 2005-10-24 | 2013-06-25 | Qualcomm Incorporated | Iterative interference cancellation system and method |
KR101097021B1 (ko) | 2005-10-27 | 2011-12-20 | 콸콤 인코포레이티드 | 무선 통신 시스템에서 역방향 링크 로딩을 추정하기 위한 방법 및 장치 |
US8385388B2 (en) | 2005-12-06 | 2013-02-26 | Qualcomm Incorporated | Method and system for signal reconstruction from spatially and temporally correlated received samples |
US8781043B2 (en) | 2006-11-15 | 2014-07-15 | Qualcomm Incorporated | Successive equalization and cancellation and successive mini multi-user detection for wireless communication |
US7991041B2 (en) | 2006-11-15 | 2011-08-02 | Qualcomm, Incorporated | Iterative detection and cancellation for wireless communication |
-
2009
- 2009-11-27 US US13/504,670 patent/US8831156B2/en not_active Expired - Fee Related
- 2009-11-27 WO PCT/CN2009/075176 patent/WO2011063567A1/en active Application Filing
- 2009-11-27 JP JP2012540252A patent/JP5596168B2/ja not_active Expired - Fee Related
- 2009-11-27 EP EP09851580.2A patent/EP2505010A4/en not_active Withdrawn
- 2009-11-27 CN CN2009801626024A patent/CN102668611A/zh active Pending
-
2010
- 2010-03-04 TW TW099106352A patent/TW201130233A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2013512591A (ja) | 2013-04-11 |
WO2011063567A1 (en) | 2011-06-03 |
EP2505010A4 (en) | 2013-10-09 |
CN102668611A (zh) | 2012-09-12 |
EP2505010A1 (en) | 2012-10-03 |
JP5596168B2 (ja) | 2014-09-24 |
US8831156B2 (en) | 2014-09-09 |
US20130195232A1 (en) | 2013-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW201130233A (en) | Interference cancellation for non-orthogonal channel sets | |
MX2010003900A (es) | Codigos de encriptacion para codigos de sincronizacion secundaria en sistemas de comunicaciones inalambricas. | |
WO2014052639A3 (en) | Random access in heterogeneous communications systems | |
GB2464058A (en) | Method of performing cell search in wireless communication system | |
GB2438750B (en) | Systems, methods, and apparatuses for multi-path orthogonal recursive predistortion | |
WO2008094014A3 (en) | Method for generating a reference signal sequence using grouping | |
IN2014MN01644A (zh) | ||
MX2012006801A (es) | Aparato y metodo para evitar bloqueo del canal de control. | |
IN2012DN00228A (zh) | ||
EP2474102A4 (en) | METHOD AND SYSTEMS FOR TEMPORARY CODING BASED COMMUNICATIONS | |
EP2311184A4 (en) | SOFTENER HIGH PERFORMANCE VOLTAGE GENERATION CIRCUITS AND METHOD | |
EP2600835A4 (en) | COMBINATIONS OF INHIBITORS OF HEPATITIS C VIRUS | |
GB201116374D0 (en) | Positioning method | |
IN2014CN04873A (zh) | ||
TW200604553A (en) | Effective time-of-arrival estimation algorithm for multipath environment | |
EP1875617A4 (en) | SIMULTANEOUS ESTIMATION OF A CARRIER AND AN INTERFERENCE SIGNAL | |
WO2009023597A3 (en) | Searcher for multiple orthogonal channels with known data - wcdma step2 search | |
IN2014DN05945A (zh) | ||
IL227097B (en) | Combination comprising a proteasome inhibiting compound and an akt inhibitor, kit comprising same and use thereof for treating cancer | |
GB202303725D0 (en) | Carbon capture systems | |
SG11202101203QA (en) | Hydrogen generation system, power generation system, hydrogen generation method and power generation method | |
WO2009140505A3 (en) | Methods and systems for detecting concealed objects | |
MX2012002895A (es) | Metodos para tratar el sindrome de intestino irritado (ibs). | |
EP2834920A4 (en) | SOFT BIT GENERATION AND CHANNEL ESTIMATION FOR INTERFERENCE CANCELLATION USING A DECODER OUTPUT | |
GB201017733D0 (en) | Wireless communications systems |