CN115316026A - 传输参考信号的方法和装置 - Google Patents
传输参考信号的方法和装置 Download PDFInfo
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- CN115316026A CN115316026A CN202080098851.8A CN202080098851A CN115316026A CN 115316026 A CN115316026 A CN 115316026A CN 202080098851 A CN202080098851 A CN 202080098851A CN 115316026 A CN115316026 A CN 115316026A
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- 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
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- 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
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- 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
- H04L27/261—Details of reference signals
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- 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
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- 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
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- 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
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- 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
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
Abstract
本申请提供了一种传输参考信号的方法和装置，有利于降低非正交的参考信号之间的干扰，从而提高信道估计性能。该方法包括：发送端确定参考信号所占用的时频资源，该时频资源包括时域上的M个符号和该M个符号中的每个符号在频域上对应的N个子载波，M为大于或等于2的整数，N为大于1的整数；该发送端生成长度为M×N的参考信号序列，并将该参考信号序列映射到上述时频资源上发送；则对应地，接收端在上述时频资源上接收参考信号。
Description
PCT国内申请，说明书已公开。
Claims (36)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/082475 WO2021195975A1 (zh) | 2020-03-31 | 2020-03-31 | 传输参考信号的方法和装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115316026A true CN115316026A (zh) | 2022-11-08 |
Family
ID=77928180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080098851.8A Pending CN115316026A (zh) | 2020-03-31 | 2020-03-31 | 传输参考信号的方法和装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230029215A1 (zh) |
| EP (1) | EP4120778A4 (zh) |
| CN (1) | CN115316026A (zh) |
| WO (1) | WO2021195975A1 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566772A (zh) * | 2022-01-30 | 2023-08-08 | 华为技术有限公司 | 一种通信方法、装置及计算机可读存储介质 |
| CN116800391A (zh) * | 2022-03-15 | 2023-09-22 | 华为技术有限公司 | 通信方法和通信装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017048064A1 (ko) * | 2015-09-14 | 2017-03-23 | 엘지전자 주식회사 | V2v 통신에서의 주파수 오프셋 보정 방법 및 이를 위한 장치 |
| WO2018101863A1 (en) * | 2016-11-30 | 2018-06-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive subcarrier spacing for reference signals in a multiuser mimo system |
| CN108270711A (zh) * | 2017-01-04 | 2018-07-10 | 华为技术有限公司 | 传输参考信号的方法、设备和系统 |
| CN108886448A (zh) * | 2016-03-27 | 2018-11-23 | Lg 电子株式会社 | 无线通信系统中发送和接收上行链路解调参考信号的方法及其装置 |
| CN109802792A (zh) * | 2017-11-17 | 2019-05-24 | 华为技术有限公司 | 接收参考信号的方法和发送参考信号的方法 |
| CN110036679A (zh) * | 2016-12-09 | 2019-07-19 | 华为技术有限公司 | 上行传输的导频-数据重叠设计 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245320B (zh) * | 2015-09-09 | 2018-11-06 | 北京思朗科技有限责任公司 | LTE上行参考信号的q阶ZC序列的生成方法及装置 |
| US10848356B2 (en) * | 2016-02-02 | 2020-11-24 | Lg Electronics Inc. | Method for transmitting DMRS in wireless communication system supporting NB-IoT and apparatus therefor |
| CN108289021B (zh) * | 2017-01-09 | 2021-10-01 | 华为技术有限公司 | 参考信号的传输方法和设备 |
-
2020
- 2020-03-31 EP EP20928109.6A patent/EP4120778A4/en active Pending
- 2020-03-31 WO PCT/CN2020/082475 patent/WO2021195975A1/zh unknown
- 2020-03-31 CN CN202080098851.8A patent/CN115316026A/zh active Pending
-
2022
- 2022-09-29 US US17/936,619 patent/US20230029215A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017048064A1 (ko) * | 2015-09-14 | 2017-03-23 | 엘지전자 주식회사 | V2v 통신에서의 주파수 오프셋 보정 방법 및 이를 위한 장치 |
| CN108886448A (zh) * | 2016-03-27 | 2018-11-23 | Lg 电子株式会社 | 无线通信系统中发送和接收上行链路解调参考信号的方法及其装置 |
| WO2018101863A1 (en) * | 2016-11-30 | 2018-06-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive subcarrier spacing for reference signals in a multiuser mimo system |
| CN110036679A (zh) * | 2016-12-09 | 2019-07-19 | 华为技术有限公司 | 上行传输的导频-数据重叠设计 |
| CN108270711A (zh) * | 2017-01-04 | 2018-07-10 | 华为技术有限公司 | 传输参考信号的方法、设备和系统 |
| CN109802792A (zh) * | 2017-11-17 | 2019-05-24 | 华为技术有限公司 | 接收参考信号的方法和发送参考信号的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021195975A1 (zh) | 2021-10-07 |
| EP4120778A4 (en) | 2023-05-03 |
| EP4120778A1 (en) | 2023-01-18 |
| US20230029215A1 (en) | 2023-01-26 |
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