WO2020259231A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

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Publication number
WO2020259231A1
WO2020259231A1 PCT/CN2020/094028 CN2020094028W WO2020259231A1 WO 2020259231 A1 WO2020259231 A1 WO 2020259231A1 CN 2020094028 W CN2020094028 W CN 2020094028W WO 2020259231 A1 WO2020259231 A1 WO 2020259231A1
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WO
WIPO (PCT)
Prior art keywords
sequence
sequences
orthogonal
length
optionally
Prior art date
Application number
PCT/CN2020/094028
Other languages
English (en)
Chinese (zh)
Inventor
汪凡
丁梦颖
Original Assignee
华为技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2020259231A1 publication Critical patent/WO2020259231A1/fr

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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
    • H04L5/0048—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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the base station can contain one or more co-site or non co-site TRPs.
  • the network device may also be a wireless controller, CU, and/or DU in a cloud radio access network (cloud radio access network, CRAN) scenario.
  • the network device can also be a server, a wearable device, or a vehicle-mounted device.
  • the following description takes the network device as a base station as an example.
  • the multiple network devices may be base stations of the same type, or base stations of different types.
  • the base station can communicate with the terminal equipment, and it can also communicate with the terminal equipment through the relay station.
  • a terminal device can communicate with multiple base stations of different technologies.
  • a terminal device can communicate with a base station that supports an LTE network, can also communicate with a base station that supports a 5G network, and can also support communication with a base station of an LTE network and a base station of a 5G network. Double connection.
  • Quasi-orthogonal sequence set any two sequences in this set have low cross-correlation.
  • qlbk,k 0,1,...,K-1, satisfying:
  • the second sequence set is an orthogonal sequence set or a quasi-orthogonal sequence set.
  • the foregoing second sequence may also be referred to as a base sequence, and the foregoing second sequence set may also be referred to as a base sequence set.
  • the terminal can obtain the above-mentioned first sequence in many different ways.
  • the terminal sends the first sequence to the network device, and the network device receives the first sequence. It can be understood that since there are scenarios where one or more terminals send the foregoing first sequence to the network device, the network device may receive one or more first sequences. Optionally, the network device may receive multiple first sequences at the same time. The “receiving multiple first sequences at the same time” may be understood as receiving multiple first sequences at the same time point, or may be understood as Multiple first sequences are received within a time period, or in other words, multiple first sequences are received within the same sequence processing cycle.
  • the method shown in FIG. 3 may further include part 305: the network device sends configuration information to the terminal, and the terminal receives the configuration information.
  • the configuration information is carried by one or more of the following: system information, radio resource control (radio resource control, RRC) signaling, media access control (media access control, MAC) control element (CE) , Or control channel.
  • RRC radio resource control
  • MAC media access control
  • CE control element
  • the value of u is configured by the network device, for example, configured by the configuration information in part 305 in FIG. 3. Or, optionally, the value of u is predefined.
  • u is a function related to m, and u can be expressed as u m .
  • u m u′, or, or,
  • the value of u′ is configured by the network device, for example, configured through the configuration information in part 305 in FIG. 3, or the value of u′ may also be predefined.
  • the value of E is configured by the network device, for example, configured by the configuration information in part 305 in FIG. 3.
  • H(u′′) represents a function with u′′ as an independent variable and maps u′′ to another value u′′′.
  • FIG. 5B illustrates that CS is performed on the ZC sequence and then normalized to obtain the third sequence.
  • This normalization can also be understood as power adjustment, power normalization, or power scaling.
  • the ZC sequence in FIG. 5B can also be replaced with other types of sequences, such as PN sequence, m sequence, reed muller sequence, or reed solomon sequence.
  • the value of u is configured by the network device, for example, configured by the configuration information in part 305 in FIG. 3. Or, optionally, the value of u is predefined.
  • the processor 1501 may also store instructions and/or data 1503, and the instructions and/or data 1503 may be executed by the processor, so that the apparatus 1500 executes the above method embodiments. Described method.
  • the normalization in this paragraph can also be understood as power adjustment, power normalization, or power scaling.
  • the ZC sequence in this paragraph can also be replaced with any of the following sequences: PN sequence, m sequence, reed muller sequence, or reed solomon sequence.
  • each module in the apparatus 1700 in the embodiment of the present application may be used to execute the method described in FIG. 3 in the embodiment of the present application.
  • the sequence corresponding to the terminal signal obtained and sent by the above device is the weighted sum of multiple quasi-orthogonal sequences, or the weighted sum of multiple orthogonal sequences, in two dimensions (the dimension of the base sequence and the dimension of the feature mask). )
  • the capacity of the sequence corresponding to the terminal signal is increased, so that the capacity of the sequence corresponding to the terminal signal can be expanded in limited physical resources to meet the needs of a large number of terminals for accessing the network or sending signals.
  • the above-mentioned base sequence and feature mask both have low cross-correlation characteristics, it is possible to expand the sequence capacity corresponding to the terminal signal while ensuring good detection performance for the sequence corresponding to the terminal signal.
  • the transceiver module 1701 is further configured to send configuration information to the terminal, where the configuration information is used to configure parameters related to the foregoing second sequence set and parameters related to the foregoing third sequence.
  • the configuration information is carried by one or more of the following: system information, RRC signaling, MACCE, or control channel.
  • the above-mentioned parameters related to the second sequence set are used to configure: the root related to the second sequence, and/or the cyclic shift related to the second sequence.
  • the above-mentioned parameters related to the third sequence are used to configure: the root related to the third sequence, and/or the number or index of the third sequence.
  • the apparatus 1700 may further include a processing module 1702, and the processing module 1702 is configured to obtain or generate the foregoing configuration information.
  • the character "/" generally indicates that the associated objects are in an "or” relationship.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de communication. Ledit procédé consiste : à concevoir un préambule de sorte qu'il représente une somme pondérée d'une pluralité de séquences quasi-orthogonales, ou à concevoir le préambule de sorte qu'il représente une somme pondérée d'une pluralité de séquences orthogonales, ce qui permet d'étendre la capacité du préambule dans une ressource physique limitée, et de satisfaire aux exigences d'accès au réseau d'un grand nombre de terminaux.
PCT/CN2020/094028 2019-06-24 2020-06-02 Procédé et appareil de communication WO2020259231A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910549898.0A CN112134660B (zh) 2019-06-24 2019-06-24 通信方法及装置
CN201910549898.0 2019-06-24

Publications (1)

Publication Number Publication Date
WO2020259231A1 true WO2020259231A1 (fr) 2020-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/094028 WO2020259231A1 (fr) 2019-06-24 2020-06-02 Procédé et appareil de communication

Country Status (2)

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CN (1) CN112134660B (fr)
WO (1) WO2020259231A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101212795A (zh) * 2006-12-29 2008-07-02 大唐移动通信设备有限公司 一种系统消息变更的方法及装置
US20140376495A1 (en) * 2006-09-26 2014-12-25 Lg Electronics Inc. Random access method and signalling method for the same
CN104253673A (zh) * 2013-06-25 2014-12-31 华为技术有限公司 上行多用户数据传输方法及上行多用户输入输出系统
CN108207028A (zh) * 2016-12-16 2018-06-26 中兴通讯股份有限公司 一种数据生成方法及装置、设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100946913B1 (ko) * 2003-11-21 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 시스템에서 셀 식별을 위한 프리앰블 신호 생성 장치 및 방법
KR20080018056A (ko) * 2006-08-23 2008-02-27 삼성전자주식회사 통신 시스템에서 임의 접속 채널을 통한 데이터 송수신방법 및 장치
TW200843379A (en) * 2007-04-20 2008-11-01 Ind Tech Res Inst Sequence generating method
CN101325426A (zh) * 2007-06-11 2008-12-17 财团法人工业技术研究院 序列产生方法
CN102869096B (zh) * 2011-07-06 2016-05-18 上海贝尔股份有限公司 一种通信网络中用于传输解调参考信号的方法和装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140376495A1 (en) * 2006-09-26 2014-12-25 Lg Electronics Inc. Random access method and signalling method for the same
CN101212795A (zh) * 2006-12-29 2008-07-02 大唐移动通信设备有限公司 一种系统消息变更的方法及装置
CN104253673A (zh) * 2013-06-25 2014-12-31 华为技术有限公司 上行多用户数据传输方法及上行多用户输入输出系统
CN108207028A (zh) * 2016-12-16 2018-06-26 中兴通讯股份有限公司 一种数据生成方法及装置、设备

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CN112134660B (zh) 2022-02-18
CN112134660A (zh) 2020-12-25

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