CN103004126B - 改进的正交频分复用(ofdm)通信时隙结构和方法 - Google Patents
改进的正交频分复用(ofdm)通信时隙结构和方法 Download PDFInfo
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- CN103004126B CN103004126B CN201180035187.3A CN201180035187A CN103004126B CN 103004126 B CN103004126 B CN 103004126B CN 201180035187 A CN201180035187 A CN 201180035187A CN 103004126 B CN103004126 B CN 103004126B
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- symbol
- ofdm symbol
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- training
- modulation
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- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000004891 communication Methods 0.000 title claims abstract description 23
- 238000012549 training Methods 0.000 claims description 94
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000010295 mobile communication Methods 0.000 claims description 24
- 238000001228 spectrum Methods 0.000 claims description 17
- 239000000969 carrier Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 description 36
- 125000004122 cyclic group Chemical group 0.000 description 24
- 238000005070 sampling Methods 0.000 description 20
- 238000013507 mapping Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 9
- 230000004224 protection Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
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- 230000006872 improvement Effects 0.000 description 2
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- 230000009466 transformation Effects 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0042—Intra-user or intra-terminal allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
比特 | 调制方案 | 比特映射至的符号. |
S[0] | BPSK | S0[k] |
S[1] | BPSK | S1[k] |
S[2] | BPSK | S2[k] |
S[3] | BPSK | S3[k] |
S[4],S[5],S[6],S[7] | 16-QAM | S4[k] |
… | … | … |
Claims (38)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/781,771 US8681731B2 (en) | 2010-05-17 | 2010-05-17 | Orthogonal frequency-division multiplexing (OFDM) communication slot structures and methods |
US12/781,771 | 2010-05-17 | ||
PCT/US2011/036655 WO2011146396A1 (en) | 2010-05-17 | 2011-05-16 | Improved orthogonal frequency-division multiplexing (ofdm) communication slot structures and methods |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103004126A CN103004126A (zh) | 2013-03-27 |
CN103004126B true CN103004126B (zh) | 2015-07-01 |
Family
ID=44321316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180035187.3A Active CN103004126B (zh) | 2010-05-17 | 2011-05-16 | 改进的正交频分复用(ofdm)通信时隙结构和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8681731B2 (zh) |
EP (1) | EP2572468B1 (zh) |
JP (1) | JP5767699B2 (zh) |
KR (1) | KR101454531B1 (zh) |
CN (1) | CN103004126B (zh) |
CA (1) | CA2799785C (zh) |
WO (1) | WO2011146396A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8817917B2 (en) | 2011-06-21 | 2014-08-26 | Ibiquity Digital Corporation | Method and apparatus for implementing signal quality metrics and antenna diversity switching control |
US9131444B2 (en) | 2011-10-31 | 2015-09-08 | Qualcomm Incorporated | Optimized page matching |
US9172449B2 (en) * | 2012-08-21 | 2015-10-27 | Telefonaktiebolaget L M Ericsson (Publ) | Precoding for MIMO |
US9634795B2 (en) * | 2013-03-04 | 2017-04-25 | Intel Corporation | Configurable constellation mapping to control spectral efficiency versus signal-to-noise ratio |
CN103532897B (zh) * | 2013-04-07 | 2017-06-13 | 上海数字电视国家工程研究中心有限公司 | Ofdm调制解调方法及对应的发射机、接收机 |
CN105247806B (zh) * | 2013-05-16 | 2018-10-09 | 中兴通讯(美国)公司 | 传输和接收正交频分复用信号的方法和装置以及光通信系统 |
EP3050391B1 (en) * | 2013-09-27 | 2020-08-05 | Telefonaktiebolaget LM Ericsson (publ) | Methods, apparatuses, and computer program products for generating fractional guard periods |
US9769796B2 (en) * | 2013-10-08 | 2017-09-19 | Microsoft Technology Licensing, Llc | Radio channel utilization |
US9508361B2 (en) | 2015-03-02 | 2016-11-29 | Seagate Technology Llc | Channel apparatus for transmitting multiple differential signals |
CN107041007A (zh) * | 2016-02-04 | 2017-08-11 | 华为技术有限公司 | 信号传输方法和装置 |
EP3240226A1 (en) * | 2016-04-26 | 2017-11-01 | Xieon Networks S.à r.l. | Method and apparatus for transmitting data in a super channel |
WO2018203628A1 (ko) * | 2017-05-03 | 2018-11-08 | 엘지전자 주식회사 | 임의 접속 채널 신호를 전송하는 방법과 사용자기기, 및 임의 접속 채널 신호를 수신하는 방법 및 기지국 |
US10523459B2 (en) * | 2017-12-18 | 2019-12-31 | Arris Enterprises Llc | Systems and methods for power savings in HFC amplifiers |
CN110365617B (zh) * | 2019-07-19 | 2020-06-12 | 清华大学 | 基于时空基准下的多用户正交频分多址接收方法和装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6449246B1 (en) * | 1999-09-15 | 2002-09-10 | Telcordia Technologies, Inc. | Multicarrier personal access communication system |
CN1744481A (zh) * | 2005-09-30 | 2006-03-08 | 上海贝豪通讯电子有限公司 | 一种td-scdma系统中的自适应传输方法 |
CN1875596A (zh) * | 2003-10-31 | 2006-12-06 | 三星电子株式会社 | 在正交频分多址通信系统中分配子信道的装置和方法 |
CN101496369A (zh) * | 2006-07-28 | 2009-07-29 | 高通股份有限公司 | 闪型信令的数据编码方法和装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2802255B2 (ja) | 1995-09-06 | 1998-09-24 | 株式会社次世代デジタルテレビジョン放送システム研究所 | 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置 |
JP3667960B2 (ja) | 1997-11-04 | 2005-07-06 | 日本放送協会 | Ofdm伝送方法、送信装置および受信装置 |
US6539063B1 (en) * | 1999-02-18 | 2003-03-25 | Ibiquity Digital Corporation | System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system |
US6369758B1 (en) * | 2000-11-01 | 2002-04-09 | Unique Broadband Systems, Inc. | Adaptive antenna array for mobile communication |
US7379417B2 (en) * | 2003-02-19 | 2008-05-27 | Wipro Limited | Orthogonal frequency division multiplexing transmitter system and VLSI implementation thereof |
US9203669B2 (en) * | 2005-02-02 | 2015-12-01 | Samsung Electronics Co., Ltd. | Apparatus and method using multiple modulation schemes in an OFDM/OFDMA wireless network |
US7881398B2 (en) | 2006-08-21 | 2011-02-01 | Agere Systems Inc. | FFT numerology for an OFDM transmission system |
-
2010
- 2010-05-17 US US12/781,771 patent/US8681731B2/en active Active
-
2011
- 2011-05-16 JP JP2013511262A patent/JP5767699B2/ja active Active
- 2011-05-16 KR KR1020127032726A patent/KR101454531B1/ko active Active
- 2011-05-16 WO PCT/US2011/036655 patent/WO2011146396A1/en active Application Filing
- 2011-05-16 CA CA2799785A patent/CA2799785C/en active Active
- 2011-05-16 CN CN201180035187.3A patent/CN103004126B/zh active Active
- 2011-05-16 EP EP11721623.4A patent/EP2572468B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6449246B1 (en) * | 1999-09-15 | 2002-09-10 | Telcordia Technologies, Inc. | Multicarrier personal access communication system |
CN1875596A (zh) * | 2003-10-31 | 2006-12-06 | 三星电子株式会社 | 在正交频分多址通信系统中分配子信道的装置和方法 |
CN1744481A (zh) * | 2005-09-30 | 2006-03-08 | 上海贝豪通讯电子有限公司 | 一种td-scdma系统中的自适应传输方法 |
CN101496369A (zh) * | 2006-07-28 | 2009-07-29 | 高通股份有限公司 | 闪型信令的数据编码方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2572468A1 (en) | 2013-03-27 |
US8681731B2 (en) | 2014-03-25 |
WO2011146396A1 (en) | 2011-11-24 |
JP5767699B2 (ja) | 2015-08-19 |
KR101454531B1 (ko) | 2014-10-23 |
JP2013527716A (ja) | 2013-06-27 |
CA2799785A1 (en) | 2011-11-24 |
CN103004126A (zh) | 2013-03-27 |
EP2572468B1 (en) | 2015-07-08 |
US20110280238A1 (en) | 2011-11-17 |
CA2799785C (en) | 2016-11-08 |
KR20130020803A (ko) | 2013-02-28 |
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