TW201141082A - Method and apparatus for switching between single user detection and multi user detection - Google Patents
Method and apparatus for switching between single user detection and multi user detection Download PDFInfo
- Publication number
- TW201141082A TW201141082A TW100102163A TW100102163A TW201141082A TW 201141082 A TW201141082 A TW 201141082A TW 100102163 A TW100102163 A TW 100102163A TW 100102163 A TW100102163 A TW 100102163A TW 201141082 A TW201141082 A TW 201141082A
- Authority
- TW
- Taiwan
- Prior art keywords
- channel
- subspace
- received power
- received
- residual interference
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims 4
- 238000012545 processing Methods 0.000 description 13
- 230000006870 function Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000004422 calculation algorithm Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000159846 Centrosema pascuorum Species 0.000 description 1
- 206010011906 Death Diseases 0.000 description 1
- 241000760358 Enodes Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SILSDTWXNBZOGF-KUZBFYBWSA-N chembl111058 Chemical compound CCSC(C)CC1CC(O)=C(\C(CC)=N\OC\C=C\Cl)C(=O)C1 SILSDTWXNBZOGF-KUZBFYBWSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0697—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
- H04L25/085—Arrangements for reducing interference in line transmission systems, e.g. by differential transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29672010P | 2010-01-20 | 2010-01-20 | |
| US13/009,174 US8983389B2 (en) | 2010-01-20 | 2011-01-19 | Method and apparatus for switching between single user detection and multi user detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201141082A true TW201141082A (en) | 2011-11-16 |
Family
ID=43734072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100102163A TW201141082A (en) | 2010-01-20 | 2011-01-20 | Method and apparatus for switching between single user detection and multi user detection |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8983389B2 (enExample) |
| EP (1) | EP2526634B1 (enExample) |
| JP (1) | JP5657699B2 (enExample) |
| KR (1) | KR101433294B1 (enExample) |
| CN (1) | CN102714531B (enExample) |
| TW (1) | TW201141082A (enExample) |
| WO (1) | WO2011146146A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110048422A (ko) * | 2009-11-02 | 2011-05-11 | 주식회사 팬택 | 채널 정보 피드백 장치와 그를 이용하는 통신단말장치 및 기지국 장치 |
| US8238496B1 (en) * | 2010-05-18 | 2012-08-07 | Applied Micro Circuits Corporation | Multiuser multiple-input multiple-output (MU-MIMO) channel estimation for multicarrier communications |
| KR101723263B1 (ko) * | 2011-03-31 | 2017-04-04 | 선 페이턴트 트러스트 | 통신 시스템에 있어서 mu-cqi를 피드백하는 방법, 송신 포인트 장치 및 사용자 기기 |
| US9215694B2 (en) * | 2011-12-22 | 2015-12-15 | Qualcomm Incorporated | Reference signals design for time tracking in LTE-A |
| WO2013158023A1 (en) * | 2012-04-17 | 2013-10-24 | Telefonaktiebolaget L M Ericsson (Publ) | Single carrier mode switching in component carrier receiver |
| US8781027B2 (en) | 2012-05-10 | 2014-07-15 | Intel Mobile Communications GmbH | Apparatus and method for determining a precoding matrix |
| US8842782B2 (en) * | 2012-05-10 | 2014-09-23 | Intel Mobile Communications GmbH | Apparatus and method for decoding a received signal |
| WO2015085588A1 (en) * | 2013-12-13 | 2015-06-18 | Qualcomm Incorporated | Ue reference signal based channel estimation |
| US9998185B2 (en) * | 2015-03-27 | 2018-06-12 | Newracom, Inc. | Aggregation methods and systems for multi-user MIMO or OFDMA operation |
| CN106470056B (zh) * | 2015-08-21 | 2019-07-23 | 上海诺基亚贝尔股份有限公司 | 确定mimo模式间切换发生时的sinr阈值的方法与设备 |
| EP3310013B1 (en) * | 2016-10-13 | 2020-07-15 | Nokia Technologies Oy | Sharing resources in an unlicensed frequency band |
| CN108462551B (zh) * | 2017-02-17 | 2020-10-23 | 瑞昱半导体股份有限公司 | 解调方法及接收装置 |
| CN107515335A (zh) * | 2017-09-01 | 2017-12-26 | 江苏爱吉亚电子科技有限公司 | 利用mu‑mimo技术的ota测试系统 |
| CN111328441B (zh) * | 2017-11-22 | 2022-02-01 | 华为技术有限公司 | 波束分配方法及装置 |
| CN110120830B (zh) * | 2018-02-07 | 2020-11-06 | 上海朗帛通信技术有限公司 | 一种基站、用户设备中的用于无线通信的方法和装置 |
| CN115941117B (zh) * | 2022-11-18 | 2024-05-31 | 哲库科技(北京)有限公司 | 检测方法、基带芯片、通信设备及检测装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3797510B2 (ja) | 1997-07-16 | 2006-07-19 | ソニー株式会社 | 通信方法、送信装置、受信装置及びセルラー無線通信システム |
| US7016436B1 (en) | 1999-12-17 | 2006-03-21 | Ericsson, Inc. | Selective joint demodulation systems and methods for receiving a signal in the presence of noise and interference |
| US6832080B1 (en) * | 2000-09-12 | 2004-12-14 | Ericsson, Inc. | Apparatus for and method of adapting a radio receiver using control functions |
| US20030125040A1 (en) * | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
| JPWO2005029723A1 (ja) | 2003-09-18 | 2006-11-30 | 三菱電機株式会社 | 移動体通信端末 |
| US8804883B2 (en) * | 2004-06-08 | 2014-08-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for reduced interference signal demodulation |
| JP4913641B2 (ja) | 2007-03-20 | 2012-04-11 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局、通信端末、送信方法、受信方法、通信システム |
| JP4755137B2 (ja) | 2007-05-01 | 2011-08-24 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置及び通信制御方法 |
| JP5344121B2 (ja) * | 2008-06-30 | 2013-11-20 | 日本電気株式会社 | シングルキャリア伝送方式における無線通信方法および装置 |
-
2011
- 2011-01-19 US US13/009,174 patent/US8983389B2/en active Active
- 2011-01-20 WO PCT/US2011/021937 patent/WO2011146146A1/en not_active Ceased
- 2011-01-20 JP JP2012550124A patent/JP5657699B2/ja active Active
- 2011-01-20 TW TW100102163A patent/TW201141082A/zh unknown
- 2011-01-20 CN CN201180006354.1A patent/CN102714531B/zh active Active
- 2011-01-20 EP EP11703952.9A patent/EP2526634B1/en active Active
- 2011-01-20 KR KR1020127021732A patent/KR101433294B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102714531B (zh) | 2015-11-25 |
| JP5657699B2 (ja) | 2015-01-21 |
| KR101433294B1 (ko) | 2014-08-22 |
| CN102714531A (zh) | 2012-10-03 |
| US20120021688A1 (en) | 2012-01-26 |
| EP2526634B1 (en) | 2019-11-13 |
| US8983389B2 (en) | 2015-03-17 |
| WO2011146146A1 (en) | 2011-11-24 |
| EP2526634A1 (en) | 2012-11-28 |
| JP2013517747A (ja) | 2013-05-16 |
| KR20120123447A (ko) | 2012-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201141082A (en) | Method and apparatus for switching between single user detection and multi user detection | |
| JP6983774B2 (ja) | 減少されたフィードバックｍｉｍｏのための方法及び装置 | |
| RU2751674C1 (ru) | Способы эффективного указания ресурсов srs | |
| RU2434328C2 (ru) | Разнесение и предварительное кодирование циклической задержки для беспроводной связи | |
| JP5869061B2 (ja) | 構造化されたｍｉｍｏコードブック | |
| JP5431325B2 (ja) | 時分割多重（ｔｄｄ）通信システムにおけるｍｉｍｏ通信のためのフィードバック及びレートアダプテーション | |
| JP5745017B2 (ja) | ワイヤレス通信ネットワーク中の複数ユーザのｍｉｍｏのためのスケジューリング | |
| TWI327838B (en) | Method and apparatus for optimum selection of mimo and interference cancellation | |
| JP5453277B2 (ja) | 無線通信システムのキャリブレーション及びビーム形成 | |
| JP5504459B2 (ja) | 直交周波数分割多重アクセスにおけるセル固有の参照記号とユーザ装置固有の参照記号とを使用した復調方法、伝送方法、および基地局 | |
| CN104620513B (zh) | 用于多个天线的相位旋转参考信号 | |
| CN104620531B (zh) | 用于多个天线的相位旋转参考信号 | |
| TWI673967B (zh) | 傳輸預編碼方法及其使用者設備 | |
| TW201019764A (en) | Method and apparatus for supporting distributed MIMO in a wireless communication system | |
| TW200849905A (en) | MIMO transmission with rank-dependent precoding | |
| TW200924410A (en) | Eigen-beamforming for wireless communication systems | |
| WO2015054201A2 (en) | Interference estimation resource definition and usage for enhanced receivers | |
| CN114902593B (zh) | 用于频域压缩的上行链路预编码的上行链路许可下行链路控制信息 | |
| EP4490846A1 (en) | Type ii precoder matrix indicator (pmi) enhancement for coherent joint transmission (cjt) | |
| CN108476185A (zh) | 无线通信系统中的信道估计方法、通信单元、终端和通信系统 | |
| Chen et al. | Improved MIMO throughput with inverse power allocation—study using USRP measurement in reverberation chamber | |
| Jung et al. | Cooperative beamforming scheme using MIMO antenna array in LTE-A system | |
| WO2023097342A2 (en) | Advanced beamforming and transmission techniques for mimo urllc applications | |
| Kim et al. | Uplink channel sounding in TDD-OFDM cellular systems |