CN114731701A - 一种序列检测方法及设备 - Google Patents
一种序列检测方法及设备 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
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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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
- H04J13/0062—Zadoff-Chu
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
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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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
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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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2681—Details of algorithms characterised by constraints
- H04L27/2684—Complexity
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Abstract
本申请涉及一种序列检测方法及设备。在本申请实施例中，可以先根据接收的第一序列的差分结果以及候选频域根序列的差分结果，筛选出K个候选频域根序列，只需根据第一序列与这K个候选频域根序列确定该第一序列究竟对应于哪个候选频域根序列即可。例如候选频域根序列有U个，则相当于目前的计算量为需要计算U*Cs个互相关值，而本申请实施例中的计算量为只需计算L*U+K*Cs，其中，Cs为时域循环移位值的采样个数，L为差分粒度的个数。如果K小于U，则本申请实施例所需的计算量大大小于目前在检测序列时所需的计算量，因此本申请实施例的技术方案可以极大地简化信号接收端的检测复杂度，提高检测效率。
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/CN2019/123104 WO2021109040A1 (zh) | 2019-12-04 | 2019-12-04 | 一种序列检测方法及设备 |
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| Publication Number | Publication Date |
|---|---|
| CN114731701A true CN114731701A (zh) | 2022-07-08 |
| CN114731701B CN114731701B (zh) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201980102264.9A Active CN114731701B (zh) | 2019-12-04 | 2019-12-04 | 一种序列检测方法及设备 |
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| Country | Link |
|---|---|
| US (1) | US12016058B2 (zh) |
| EP (1) | EP4057761A4 (zh) |
| CN (1) | CN114731701B (zh) |
| WO (1) | WO2021109040A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822786B (zh) * | 2019-10-31 | 2024-11-01 | 华为技术有限公司 | 一种数据处理方法及其装置 |
| US11889450B2 (en) * | 2020-05-06 | 2024-01-30 | Qualcomm Incorporated | Techniques for compensating timing advance for full duplex communication |
| CN118283521A (zh) * | 2022-12-30 | 2024-07-02 | 大唐移动通信设备有限公司 | 随机接入前导序列生成方法、设备、装置及存储介质 |
| CN118706001B (zh) * | 2024-08-29 | 2024-10-25 | 威海中玻镀膜玻璃股份有限公司 | 一种石英玻璃的尺寸测量方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295999A (zh) * | 2008-06-27 | 2008-10-29 | 中兴通讯股份有限公司 | 一种随机接入前导的检测方法 |
| CN101977170A (zh) * | 2010-10-15 | 2011-02-16 | 北京星河亮点通信软件有限责任公司 | Td-lte系统中的随机接入检测装置及检测方法 |
| CN103079227A (zh) * | 2013-02-05 | 2013-05-01 | 武汉邮电科学研究院 | 一种用于lte系统的随机接入检测方法和系统 |
| CN104918336A (zh) * | 2014-03-12 | 2015-09-16 | 中兴通讯股份有限公司 | 一种干扰环境下随机接入信号的检测方法、装置和系统 |
| CN109150468A (zh) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | 一种传输信息的方法和装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1906572A4 (en) * | 2005-08-22 | 2012-05-02 | Panasonic Corp | BASIC STATION EQUIPMENT AND MOBILE STATION EQUIPMENT |
| KR101196897B1 (ko) * | 2006-01-20 | 2012-11-01 | 에릭슨 엘지 주식회사 | 무선통신 시스템 내에서 랜덤 액세스 채널에 주파수 대역을 할당하는 방법 및 장치와, 그의 랜덤 액세스 채널 상에서의 신호 송수신 장치 및 방법 |
| US8144819B2 (en) * | 2007-04-30 | 2012-03-27 | Telefonaktiebolaget L M Ericsson (Publ) | Synchronization for chirp sequences |
| CN101355383B (zh) * | 2008-09-10 | 2012-05-23 | 中兴通讯股份有限公司 | 一种随机接入信道的信号检测方法 |
| CN109194457B (zh) * | 2013-01-18 | 2023-10-20 | 华为技术有限公司 | 发现参考信号的发送和检测方法及装置 |
| WO2018130311A1 (en) * | 2017-01-16 | 2018-07-19 | Mistbase Ab | Method for detecting the presence of a narrowband primary synchronization signal |
| CN109039979B (zh) * | 2017-08-11 | 2019-09-20 | 华为技术有限公司 | 基于序列的信号处理方法、通信设备及通信系统 |
| CN109274473B (zh) * | 2017-09-08 | 2019-10-22 | 华为技术有限公司 | 基于序列的信号处理方法及装置 |
| EP3675444A1 (en) * | 2018-12-28 | 2020-07-01 | INTEL Corporation | Methods and devices for communications in device-to-device networks |
| EP3949181B1 (en) * | 2019-04-01 | 2023-11-22 | Samsung Electronics Co., Ltd. | Methods and systems for detecting primary synchronization signal (pss) in a wireless network |
-
2019
- 2019-12-04 CN CN201980102264.9A patent/CN114731701B/zh active Active
- 2019-12-04 EP EP19954950.2A patent/EP4057761A4/en active Pending
- 2019-12-04 WO PCT/CN2019/123104 patent/WO2021109040A1/zh unknown
-
2022
- 2022-06-03 US US17/831,683 patent/US12016058B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295999A (zh) * | 2008-06-27 | 2008-10-29 | 中兴通讯股份有限公司 | 一种随机接入前导的检测方法 |
| CN101977170A (zh) * | 2010-10-15 | 2011-02-16 | 北京星河亮点通信软件有限责任公司 | Td-lte系统中的随机接入检测装置及检测方法 |
| CN103079227A (zh) * | 2013-02-05 | 2013-05-01 | 武汉邮电科学研究院 | 一种用于lte系统的随机接入检测方法和系统 |
| CN104918336A (zh) * | 2014-03-12 | 2015-09-16 | 中兴通讯股份有限公司 | 一种干扰环境下随机接入信号的检测方法、装置和系统 |
| CN109150468A (zh) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | 一种传输信息的方法和装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114731701B (zh) | 2023-11-28 |
| US12016058B2 (en) | 2024-06-18 |
| WO2021109040A1 (zh) | 2021-06-10 |
| EP4057761A4 (en) | 2022-11-16 |
| US20220312503A1 (en) | 2022-09-29 |
| EP4057761A1 (en) | 2022-09-14 |
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