UA97824C2 - Структура пілот-сигналів з мультиплексованими одноадресною і sfn передачами - Google Patents
Структура пілот-сигналів з мультиплексованими одноадресною і sfn передачамиInfo
- Publication number
- UA97824C2 UA97824C2 UAA200908339A UAA200908339A UA97824C2 UA 97824 C2 UA97824 C2 UA 97824C2 UA A200908339 A UAA200908339 A UA A200908339A UA A200908339 A UAA200908339 A UA A200908339A UA 97824 C2 UA97824 C2 UA 97824C2
- Authority
- UA
- Ukraine
- Prior art keywords
- unicast
- reference symbols
- pilot signal
- symbol
- transmissions
- Prior art date
Links
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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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
- H04L5/0058—Allocation criteria
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Описані системи і способи, сприяючі мультиплексуванню одноадресних опорних символів і багатоадресних передач в одному і тому ж часовому інтервалі передачі. Зокрема, забезпечені способи, що дозволяють мультиплексувати одноадресні опорні символи з передачами в одночастотній мережі, які використовують тривалість більш довгого циклічного префікса. Одноадресні опорні символи передаються в першому символі слота, що містить як одноадресну передачу, так і передачу в одночастотній мережі. Частота, що використовується для одноадресних опорних символів, чергується між першим символом і наступним символом в підкадрі.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88440407P | 2007-01-10 | 2007-01-10 | |
US88848507P | 2007-02-06 | 2007-02-06 | |
US11/971,801 US8077801B2 (en) | 2007-01-10 | 2008-01-09 | Pilot structure with multiplexed unicast and SFN transmissions |
PCT/US2008/050724 WO2008086461A2 (en) | 2007-01-10 | 2008-01-10 | Pilot structure with multiplexed unicast and sfn transmissions |
Publications (1)
Publication Number | Publication Date |
---|---|
UA97824C2 true UA97824C2 (uk) | 2012-03-26 |
Family
ID=41365248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200908339A UA97824C2 (uk) | 2007-01-10 | 2008-01-10 | Структура пілот-сигналів з мультиплексованими одноадресною і sfn передачами |
Country Status (2)
Country | Link |
---|---|
CN (2) | CN101584175B (uk) |
UA (1) | UA97824C2 (uk) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9160592B2 (en) * | 2011-02-23 | 2015-10-13 | Qualcomm Incorporated | System and method for single carrier optimization for evolved multimedia broadcast multicast service |
US9264249B2 (en) * | 2012-03-28 | 2016-02-16 | Qualcomm Incorporated | Extending cyclic prefix length in wireless communication network having mixed carrier |
US10237103B2 (en) * | 2015-11-24 | 2019-03-19 | Qualcom Incorporated | Changing cyclic prefix (CP) length based on precoder mode selection |
EP3437397B1 (en) | 2016-03-31 | 2022-10-19 | British Telecommunications public limited company | Mobile communications network |
WO2017167835A1 (en) | 2016-03-31 | 2017-10-05 | British Telecommunications Public Limited Company | Mobile communications network |
US11510116B2 (en) | 2016-06-29 | 2022-11-22 | British Telecommunications Public Limited Company | Multicast-broadcast mobile communications network |
CN109565408B (zh) * | 2016-08-04 | 2021-09-28 | 英国电讯有限公司 | 用于切换的方法、移动终端、基站和计算机可读存储介质 |
US10159097B2 (en) * | 2016-09-30 | 2018-12-18 | Qualcomm Incorporated | Signaling and determination of slot and mini-slot structure |
CN110581727A (zh) | 2018-06-08 | 2019-12-17 | 英国电讯有限公司 | 无线电信网络 |
CN111193579B (zh) * | 2018-11-13 | 2021-09-24 | 维沃移动通信有限公司 | 参考时间位置确定方法、传输方法、终端及网络设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8089855B2 (en) * | 2004-06-04 | 2012-01-03 | Qualcomm Incorporated | Transmission of overhead information for broadcast and multicast services in a wireless communication system |
TW200637287A (en) * | 2004-09-24 | 2006-10-16 | Qualcomm Inc | Method and apparatus for communication in a system employing differing transmission protocols |
US20060176966A1 (en) * | 2005-02-07 | 2006-08-10 | Stewart Kenneth A | Variable cyclic prefix in mixed-mode wireless communication systems |
WO2006109134A1 (en) * | 2005-04-15 | 2006-10-19 | Nokia Corporation | Method for synchronisation in a multi-carrier system using variable guard intervals |
US7894818B2 (en) * | 2005-06-15 | 2011-02-22 | Samsung Electronics Co., Ltd. | Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network |
-
2008
- 2008-01-10 UA UAA200908339A patent/UA97824C2/uk unknown
- 2008-01-10 CN CN200880001902.XA patent/CN101584175B/zh active Active
- 2008-01-10 CN CN201610829017.7A patent/CN106877987B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN101584175B (zh) | 2016-10-05 |
CN106877987B (zh) | 2020-08-07 |
CN101584175A (zh) | 2009-11-18 |
CN106877987A (zh) | 2017-06-20 |
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