WO2004021607A1 - Procede de commande de transmission dans un systeme de communication radio - Google Patents

Procede de commande de transmission dans un systeme de communication radio Download PDF

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Publication number
WO2004021607A1
WO2004021607A1 PCT/DE2003/002696 DE0302696W WO2004021607A1 WO 2004021607 A1 WO2004021607 A1 WO 2004021607A1 DE 0302696 W DE0302696 W DE 0302696W WO 2004021607 A1 WO2004021607 A1 WO 2004021607A1
Authority
WO
WIPO (PCT)
Prior art keywords
time slot
transmission
command
commands
radio
Prior art date
Application number
PCT/DE2003/002696
Other languages
German (de)
English (en)
Inventor
Marcus Purat
Andreas Höynck
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CN03819489.9A priority Critical patent/CN1675860B/zh
Priority to AU2003266118A priority patent/AU2003266118A1/en
Publication of WO2004021607A1 publication Critical patent/WO2004021607A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Definitions

  • the invention relates to a method for transmission control in a radio communication system, in particular a method and a radio communication system for controlling synchronization and / or transmission power in a radio communication system.
  • radio communication systems for example the European second generation mobile radio system GSM (Global System for Mobile Communications)
  • information for example voice, image information or other data
  • the radio interface relates to a connection between a base station (NB - Node B) and subscriber stations (UE - User Equipment), the subscriber stations being, for example, mobile stations or fixed
  • the electromagnetic waves are emitted at carrier frequencies that lie in a frequency band provided for the respective system.
  • frequencies in the frequency band of approx. 2000 MHz are provided.
  • Two modes are provided for the third mobile radio generation, one mode denoting FDD operation (frequency division duplex) and the other mode denoting TDD operation (time division duplex). These modes are used in different frequency bands. Both modes support a so-called CDMA subscriber separation procedure (Code Division Multiple
  • the TDD mode is in a high data rate mode, the so-called high
  • Chip rate option with 3.84 Mcps, and divided into a low bit rate mode, the so-called low chip rate option (TDD-LCR) with 1.28 Mcps.
  • the structure of the transmission layer of the low chip rate option is closely based on the TD-SCDMA system standardized in China by the CWTS.
  • the 1.28 Mcps option of the UMTS-TDD standard is used both for synchronization of the transmission in the uplink (UL), i.e. from subscriber stations to the
  • Base station as well as a fast signaling on the physical transmission layer (layer 1 of the ISO / OSI layer model) for transmit power control. For example, in the case of transmissions of the base station in the downward direction.
  • Downlink, DL) to subscriber stations so-called SS (Synchronization Shift) and TPC (Transmit Power Control) commands are integrated, which influence subsequent transmissions of the subscriber stations with regard to synchronization and transmission power.
  • SS Synchronization Shift
  • TPC Transmit Power Control
  • Command SSI in each subframe the timing for the uplink time slot ULI, and command SS2 always the timing for the uplink time slot UL2.
  • a code used for the transmission in the downward direction can also be temporarily switched off, which transmits SS and TPC commands for the subscriber station UE.
  • the synchronization and / or the transmission power control of the transmission in the corresponding uplink time slot is not controlled for the same period of time until, for example, the data rate in the downlink time slot rises again and the corresponding code is activated again, which in turn activates the contains corresponding commands or control information for the uplink time slot.
  • the object of the invention is therefore to provide a method that enables secure transmission of commands in the aforementioned situations. This object is achieved by the method according to the features of patent claim 1. Advantageous developments of the invention can be found in the dependent claims.
  • FIG. 1 shows a block diagram of a radio communication system
  • FIG 3 shows a sequence of subframes with an example
  • FIG. 7 shows a table with the assignment of commands to uplink time slots according to the prior art
  • FIG. 8 shows a table with the assignment of commands
  • a mobile radio system consists of a large number of mobile switching centers (MSC - Mobile Switching Center), which belong to a switching network (SSS - Switching Subsystem) and are networked with one another or provide access to a fixed network (PSTN - Public Switched Telephone Network) , and one or more base station systems (BSS - Base Station Subsystem) connected to these mobile switching centers.
  • MSC mobile switching centers
  • SSS Switching Subsystem
  • PSTN Public Switched Telephone Network
  • BSS Base Station Subsystem
  • a base station system in turn has at least one device for assigning radio resources (RNC - Radio Network Controller) and at least one base station NB (node B) connected to it.
  • RNC Radio Network Controller
  • a base station NB can establish and trigger connections to subscriber stations UE (user equipment) via a radio interface. At least one radio cell is formed by each base station NB. The size of the radio cell is generally determined by the range of a general signaling channel that is transmitted by the base stations NB with a constant transmission power. In the case of sectorization or hierarchical cell structures, several radio cells Z can also be supplied per base station NB. The functionality of this structure can be transferred to other radio communication systems in which the invention can be used.
  • FIG. 1 shows subscriber stations UE1, UE2 which are located in the radio cell of a base station NB.
  • the subscriber stations UE1, UE2 have established communication connections to the base station NB on which a signal transmission of one or more signals in the upward UL and downward direction DL selected services.
  • the communication connections are separated by one or more spreading codes and / or time slots allocated to the respective subscriber station from communication connections established in parallel in the radio cell.
  • the rigid mapping described above of a downlink time slot transmitting a command to a corresponding uplink time slot is replaced by a randomly controlled and thus dynamic mapping.
  • the commands are assigned in downlink time slots in such a way that the corresponding control commands in the downlink time slots are assigned to the uplink time slots as evenly as possible.
  • the assignment of the control commands SSI, SS2 to the uplink time slots ULI, UL2 is exchanged for this in each odd subframe, and an equal distribution of the error probability due to the diversity obtained is thereby achieved.
  • both uplink time slots ULI, UL2 are also by corresponding commands SSI and SS2, which alternate in the first downlink time slot are transmitted, controllable with respect to the synchronization.
  • TPC transmission power control commands
  • FIG. 7 shows an example of the assignment of three commands SSI, SS2, SS3 to three uplink time slots ULI, UL2, UL3 in accordance with the method defined in the standard. If the case occurs that the transmission of the command SS3 is interrupted, for example due to rate matching, it is not possible to control the synchronization of the third uplink time slot UL3.
  • FIG. 6 shows, by way of example, a sequence of the distribution of the synchronization commands (Received SS command #) received by the subscriber station to the uplink time slots to be controlled (Controlled UL TS #) as a function of the system time frame number (SFN - system) Frame number).
  • SFN - system system time frame number
  • VL pos ⁇ SFN'-N SSsymbols + SS pos ) mod (N ULslot )
  • the uplink time slots 1 and 3 are not controlled if the command SS 1 is not transmitted or received, for example due to rate matching.
  • this disadvantageous loss of control does not occur.
  • the above formula for the dynamic distribution also advantageously allows the largest interval between two control periods of an uplink to be minimized.
  • Time slot The length of the interval depends on the relationship between the number of commands and the time slots to be checked. In the event that an equal number of commands and time slots to be checked exist, control takes place in each subframe.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

L'invention concerne un procédé de commande destiné à un système de communication radio, selon lequel une première station radio envoie au moins une première instruction destinée à la commande de paramètres de transmission individuels d'intervalles de temps, à une deuxième station radio, ladite instruction étant affectée de façon dynamique à un intervalle de temps respectif.
PCT/DE2003/002696 2002-08-14 2003-08-11 Procede de commande de transmission dans un systeme de communication radio WO2004021607A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN03819489.9A CN1675860B (zh) 2002-08-14 2003-08-11 在无线通信系统中的传输控制方法及无线站
AU2003266118A AU2003266118A1 (en) 2002-08-14 2003-08-11 Method for controlling transmission in a radio communications system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10237330.2 2002-08-14
DE2002137330 DE10237330A1 (de) 2002-08-14 2002-08-14 Verbesserungen in einem Funk-Kommunikationssystem

Publications (1)

Publication Number Publication Date
WO2004021607A1 true WO2004021607A1 (fr) 2004-03-11

Family

ID=30775288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/002696 WO2004021607A1 (fr) 2002-08-14 2003-08-11 Procede de commande de transmission dans un systeme de communication radio

Country Status (5)

Country Link
CN (1) CN1675860B (fr)
AU (1) AU2003266118A1 (fr)
DE (1) DE10237330A1 (fr)
RU (1) RU2328076C2 (fr)
WO (1) WO2004021607A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100361418C (zh) * 2004-11-19 2008-01-09 大唐移动通信设备有限公司 通过控制命令控制字控制被控时隙输出的方法
WO2008025187A1 (fr) * 2006-08-24 2008-03-06 Zte Corporation Procédé d'implémentation de e-hich dans des systèmes td-cdma
CN101192906B (zh) * 2006-12-01 2010-09-29 中兴通讯股份有限公司 一种td-scdma系统e-hich信道传递harq应答信息的方法
US8014338B2 (en) 2006-04-19 2011-09-06 Samsung Electronics Co., Ltd. Apparatus and method for supporting relay service in a multi-hop relay broadband wireless access communication system
CN101127535B (zh) * 2006-08-18 2012-01-11 中兴通讯股份有限公司 时分同步码分多址系统的自动重传应答指示信道实现方法
RU2509415C2 (ru) * 2006-01-05 2014-03-10 Квэлкомм Инкорпорейтед Регулирование мощности и передача обслуживания с помощью команд регулирования мощности и индикаторов стирания

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101990746B (zh) * 2009-12-01 2015-07-01 高通股份有限公司 Td-scdma上行链路传输中利用上行链路同步移位命令比特的方法和装置
CN102545997B (zh) * 2010-12-31 2014-12-10 中国移动通信集团公司 一种确定系统帧号的方法、通信系统和设备

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WO1999049595A1 (fr) * 1998-03-23 1999-09-30 Samsung Electronics Co., Ltd. Dispositif et procede de commande de puissance, servant a commander un canal commun de liaison retour dans un systeme de communication cdma
US20020009061A1 (en) * 2000-02-22 2002-01-24 Serge Willenegger Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
KR20020034978A (ko) * 2000-11-02 2002-05-09 윤종용 협대역 시분할 코드 분할 다중 접속 시스템에서 부프레임전송 타임 슬럿을 랜덤하게 제어하는 장치 및 방법
WO2002080418A1 (fr) * 2001-04-02 2002-10-10 Nokia Corporation Canal physique de liaison descendante specialise (dpch) a commande de canal intercalee

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2219924T3 (es) * 1997-10-27 2004-12-01 Siemens Aktiengesellschaft Procedimiento estacion movil y estacion de base para el establecimiento de la comunicacion en un sistema de comunicaciones por radio.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999049595A1 (fr) * 1998-03-23 1999-09-30 Samsung Electronics Co., Ltd. Dispositif et procede de commande de puissance, servant a commander un canal commun de liaison retour dans un systeme de communication cdma
US20020009061A1 (en) * 2000-02-22 2002-01-24 Serge Willenegger Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
KR20020034978A (ko) * 2000-11-02 2002-05-09 윤종용 협대역 시분할 코드 분할 다중 접속 시스템에서 부프레임전송 타임 슬럿을 랜덤하게 제어하는 장치 및 방법
US20020150058A1 (en) * 2000-11-02 2002-10-17 Samsung Electronics Co., Ltd. Apparatus and method for randomly controlling time slot of sub-frame in an NB-TDD CDMA system
WO2002080418A1 (fr) * 2001-04-02 2002-10-10 Nokia Corporation Canal physique de liaison descendante specialise (dpch) a commande de canal intercalee

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DATABASE WPI Section EI Week 200315, Derwent World Patents Index; Class W01, AN 2003-156033, XP002267285 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100361418C (zh) * 2004-11-19 2008-01-09 大唐移动通信设备有限公司 通过控制命令控制字控制被控时隙输出的方法
RU2509415C2 (ru) * 2006-01-05 2014-03-10 Квэлкомм Инкорпорейтед Регулирование мощности и передача обслуживания с помощью команд регулирования мощности и индикаторов стирания
US8014338B2 (en) 2006-04-19 2011-09-06 Samsung Electronics Co., Ltd. Apparatus and method for supporting relay service in a multi-hop relay broadband wireless access communication system
CN101127535B (zh) * 2006-08-18 2012-01-11 中兴通讯股份有限公司 时分同步码分多址系统的自动重传应答指示信道实现方法
WO2008025187A1 (fr) * 2006-08-24 2008-03-06 Zte Corporation Procédé d'implémentation de e-hich dans des systèmes td-cdma
CN101132626B (zh) * 2006-08-24 2010-12-29 中兴通讯股份有限公司 时分同步码分多址系统自动重传应答指示信道实现方法
CN101192906B (zh) * 2006-12-01 2010-09-29 中兴通讯股份有限公司 一种td-scdma系统e-hich信道传递harq应答信息的方法

Also Published As

Publication number Publication date
CN1675860B (zh) 2010-05-12
RU2328076C2 (ru) 2008-06-27
DE10237330A1 (de) 2004-02-26
RU2005106878A (ru) 2005-09-10
CN1675860A (zh) 2005-09-28
AU2003266118A1 (en) 2004-03-19

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