CA2904775C - Transmitters, receivers and methods of transmitting and receiving with scattered and continuous pilots in an ofdm system - Google Patents
Transmitters, receivers and methods of transmitting and receiving with scattered and continuous pilots in an ofdm system Download PDFInfo
- Publication number
- CA2904775C CA2904775C CA2904775A CA2904775A CA2904775C CA 2904775 C CA2904775 C CA 2904775C CA 2904775 A CA2904775 A CA 2904775A CA 2904775 A CA2904775 A CA 2904775A CA 2904775 C CA2904775 C CA 2904775C
- Authority
- CA
- Canada
- Prior art keywords
- sub
- symbols
- pilot
- carrier signals
- scattered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 30
- 239000000969 carrier Substances 0.000 claims abstract description 62
- 238000009826 distribution Methods 0.000 description 12
- 238000004891 communication Methods 0.000 description 10
- 230000004044 response Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
-
- 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
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1304531.5A GB2511797B (en) | 2013-03-13 | 2013-03-13 | Transmitters, receivers and methods of transmitting and receiving |
| GB1304531.5 | 2013-03-13 | ||
| PCT/GB2014/050441 WO2014140520A1 (en) | 2013-03-13 | 2014-02-14 | Transmitters, receivers and methods of transmitting and receiving with scattered and continuous pilots in an ofdm system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2904775A1 CA2904775A1 (en) | 2014-09-18 |
| CA2904775C true CA2904775C (en) | 2018-05-01 |
Family
ID=48189852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2904775A Active CA2904775C (en) | 2013-03-13 | 2014-02-14 | Transmitters, receivers and methods of transmitting and receiving with scattered and continuous pilots in an ofdm system |
Country Status (7)
| Country | Link |
|---|---|
| KR (1) | KR101790604B1 (zh) |
| CN (1) | CN105075207B (zh) |
| CA (1) | CA2904775C (zh) |
| GB (1) | GB2511797B (zh) |
| MX (1) | MX349792B (zh) |
| TW (1) | TWI680650B (zh) |
| WO (1) | WO2014140520A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111453B (zh) * | 2016-11-24 | 2020-08-18 | 北京遥感设备研究所 | 一种二进制差分相移键控信号开环载波提取方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231089A (zh) * | 1997-07-01 | 1999-10-06 | 株式会社高级数字电视广播***研究所 | 正交频分复用传输方式及其发送装置和接收装置 |
| DE10210656A1 (de) * | 2002-03-11 | 2003-05-08 | Siemens Ag | Mehrträger-Übertragungssystem |
| KR100842069B1 (ko) * | 2002-09-30 | 2008-06-30 | 삼성전자주식회사 | 주파수영역에 부가적인 파일럿신호를 가지는 ｃｏｆｄｍ방식의 송신시스템 및 그에 따른 신호처리방법 |
| GB2412552A (en) * | 2004-03-26 | 2005-09-28 | Sony Uk Ltd | Receiver |
| EP2071758A1 (en) | 2007-12-11 | 2009-06-17 | Sony Corporation | OFDM-Transmitting apparatus and method, and OFDM-receiving apparatus and method |
| US7899140B2 (en) * | 2007-12-17 | 2011-03-01 | Newport Media, Inc. | Scattered pilot correlation in DVB-H systems |
| US8724718B2 (en) * | 2008-04-10 | 2014-05-13 | Mediatek Inc. | Pilot pattern design for small size resource block in OFDMA systems |
| US20100124292A1 (en) * | 2008-11-20 | 2010-05-20 | Advanced Micro Devices, Inc. | Method and System for Receiver Synchronization |
| GB2469069A (en) * | 2009-03-31 | 2010-10-06 | Sony Corp | A receiver for OFDM which idenitifies and cancels impulse noise by comparison with the long term noise. |
| US8467346B2 (en) * | 2009-06-19 | 2013-06-18 | Futurewei Technologies, Inc. | Method and apparatus for generating time-frequency patterns for reference signal in an OFDM wireless communication system |
-
2013
- 2013-03-13 GB GB1304531.5A patent/GB2511797B/en active Active
-
2014
- 2014-01-17 TW TW103101805A patent/TWI680650B/zh active
- 2014-02-14 WO PCT/GB2014/050441 patent/WO2014140520A1/en active Application Filing
- 2014-02-14 CA CA2904775A patent/CA2904775C/en active Active
- 2014-02-14 KR KR1020157022644A patent/KR101790604B1/ko active IP Right Grant
- 2014-02-14 CN CN201480014485.8A patent/CN105075207B/zh active Active
- 2014-02-14 MX MX2015009365A patent/MX349792B/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN105075207B (zh) | 2018-12-14 |
| GB2511797B (en) | 2020-12-23 |
| CA2904775A1 (en) | 2014-09-18 |
| MX349792B (es) | 2017-08-11 |
| GB201304531D0 (en) | 2013-04-24 |
| TW201436479A (zh) | 2014-09-16 |
| KR20150109449A (ko) | 2015-10-01 |
| MX2015009365A (es) | 2015-09-23 |
| CN105075207A (zh) | 2015-11-18 |
| GB2511797A (en) | 2014-09-17 |
| TWI680650B (zh) | 2019-12-21 |
| WO2014140520A1 (en) | 2014-09-18 |
| KR101790604B1 (ko) | 2017-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20150909 |