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WO2003005754A1 - Systeme et procede d'attribution de canal partage physiquement dans un systeme de communication sans fil - Google Patents

Systeme et procede d'attribution de canal partage physiquement dans un systeme de communication sans fil Download PDF

Info

Publication number
WO2003005754A1
WO2003005754A1 PCT/GB2002/003110 GB0203110W WO03005754A1 WO 2003005754 A1 WO2003005754 A1 WO 2003005754A1 GB 0203110 W GB0203110 W GB 0203110W WO 03005754 A1 WO03005754 A1 WO 03005754A1
Authority
WO
WIPO (PCT)
Prior art keywords
shared channel
channel allocation
physical
allocated
physical shared
Prior art date
Application number
PCT/GB2002/003110
Other languages
English (en)
Other versions
WO2003005754A8 (fr
Inventor
Timothy James Speight
Original Assignee
Ipwireless, Inc.
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 Ipwireless, Inc. filed Critical Ipwireless, Inc.
Publication of WO2003005754A1 publication Critical patent/WO2003005754A1/fr
Publication of WO2003005754A8 publication Critical patent/WO2003005754A8/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • 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

  • This invention relates generally to wireless communication systems, and particularly (though not exclusively) to wireless communication systems complying with the 3GPP (3 rd Generation Partnership Project) standard when shared channels are employed.
  • 3GPP 3 rd Generation Partnership Project
  • the PHYSICAL SHARED CHANNEL ALLOCATION message is used to allocate shared channel physical resources to different units of user equipment (UE) in both uplink and downlink.
  • a single set of physical resources are defined along with a transport format combination set ID (TFCS ID) .
  • TFCS ID defines a number of transport format combinations (TFC) which are allowed on a coded composite transport channel .
  • a single coded composite transport channel (CCTrCh) can be allocated using the PHYSICAL SHARED CHANNEL ALLOCATION message.
  • the PHYSICAL SHARED CHANNEL ALLOCATION message can define separately physical resources and TFCS IDs for both uplink and downlink.
  • a wireless communication system as claimed in claim 1.
  • a method for physical shared channel allocation in a wireless communication system as claimed in claim 4.
  • a radio unit for use in a wireless communication system as claimed in claim 7.
  • a radio unit for use in a wireless communication system as claimed in claim 8.
  • FIG. 1 shows a block diagrammatic representation of a 3GPP system in which the present invention is used.
  • FIG. 2 shows a block schematic diagram illustrating Physical Shared Channel Allocation in the system of FIG. 1. Description of Preferred Embodiment
  • a typical, standard UMTS network is conveniently considered as comprising: a user equipment domain (110), made up of a user SIM (USIM) domain (120) and a mobile equipment domain (130); and an infrastructure domain (140), made up of an access network domain (150), and a core network domain (160), which is in turn made up of a serving network domain (170) and a transit network domain (180) and a home network domain (190) .
  • user equipment UE (130A) receives data from a user SIM (120A) in the USIM domain 120 via the wired Cu interface.
  • the UE (130A) communicates data with a Node B (150A) in the network access domain (150) via the wireless Uu interface.
  • the Node B (150A) communicates with an RNC (150B) via the Iub interface.
  • the RNC (150B) commmunicates with other RNC s (not shown) via the Iur interface.
  • the RNC (150B) communicates with a SGSN (170A) in the serving network domain (170) via the Iu interface.
  • the SGSN (170A) communicates with a GGSN (170B) via the Gn interface, and the SGSN (170A) communicates with a VLR server (170C) via the Gs interface.
  • the SGSN (170A) communicates with an HLR server (190A) in the home network domain (190) via the Zu interface.
  • the GGSN (170B) communicates with public data network (180A) in the transit network domain (180) via the Yu interface.
  • the elements RNC (150B) , SGSN (170A) and GGSN (170B) are conventionally provided as discrete and separate units (on their own respective software/hardware platforms) divided across the access network domain (150) and the serving network domain (170), as shown the FIG. 1.
  • the RNC (150B) is the UTRAN (UMTS Terrestrial Radio Access Network) element responsible for the control and allocation of resources for numerous Node B' s (150A); typically 50 to 100 Node B's may be controlled by one RNC.
  • the RNC also provides reliable delivery of user traffic over the air interfaces. RNC s communicate with each other (via the interface Iur) to support handover and macrodiversity.
  • the SGSN (170A) is the UMTS Core Network element responsible for Session Control and interface to the Location Registers (HLR and VLR) .
  • the SGSN is a large centralised controller for many RNCs .
  • the GGSN (170B) is the UMTS Core Network element responsible for concentrating and tunnelling user data within the core packet network to the ultimate destination (e.g., internet service provider - ISP).
  • the PHYSICAL SHARED CHANNEL ALLOCATION message is modified to be able to allocate multiple CCTrCh's.
  • shared channel allocations mirror the way in which DPCHs are allocated in the IE "downlink DPCH info for each RL' in that multiple CCTrChs can be allocated in a single message.
  • the PHYSICAL SHARED CHANNEL ALLOCATION message contains a list of physical resources together with transport format combination set IDs for each defined set of physical resources.
  • the length of the list is defined by the known variable ⁇ maxCCTrCh' .
  • Two separate lists of TFCS ID and physical resources are required for uplink and downlink respectively.
  • the UE When the UE receives the PHYSICAL SHARED CHANNEL ALLOCATION message it goes round this list and defines multiple CCTrChs (upto maxCCTrCh CCTrCh' s can be defined) .
  • the purpose of the procedure shown in the FIG. 2 is to allocate radio resources to USCH (Uplink Shared CHannel) and/or DSCH (Downlink Shared CHannel) transport channels in TDD (Time Division Duplex) mode, for use by a UE.
  • This procedure can also be used to indicate to the UE, that a PUSCH (physical USCH) allocation is pending, in order to prevent further capacity requests from the UE.
  • the UTRAN To initiate the Physical Shared Channel Allocation procedure, the UTRAN (210) sends the "PHYSICAL SHARED CHANNEL ALLOCATION" message (220), which contains the list, to the UE (130A) .
  • the addressed UE Upon reception of a "PHYSICAL SHARED CHANNEL ALLOCATION” message, the addressed UE will configure the physical resources used for each downlink CCTrCH given by the IE Information Element) "TFCS ID" in the list according to the following:
  • PDSCH Physical DSCH
  • UE will: - configure the physical resources according to the information given in IE "PUSCH Info”. If IE “Common timeslot info” or IE “PUSCH timeslots and codes” is not present in IE "PUSCH Info”:
  • IE "Confirm request” has the value "Confirm PUSCH” and IE "PUSCH Identity” is included in IE "PUSCH capacity allocation info list”: - initiate the known PUSCH CAPACITY REQUEST procedure. - determine the TFCS subset and hence the TFCI values which are possible given the PUSCH allocation for that CCTrCH; - configure the MAC (Medium Access Control) in the UE with this TFCS restriction if necessary; - transmit USCH Transport Block Sets as required, within the TFCS limits given by the PUSCH allocation.
  • MAC Medium Access Control
  • the mechanism described above will typically be implemented by adapting or reprogramming one or more processors in the UE or Node B.
  • the required adaptation may be implemented in the form of processor-implementable instructions stored on a storage medium, such as a fixed or removable magnetic or optical disk, PROM, RAM or any combination of these or other storage media.
  • the mechanism for permitting multiple CCTrCh allocations from a single physical shared channel allocation message described above provides the advantage that, using only a limited set of defined transport format combinations, a large portion of the physical resource can be allocated and used by a single UE using a single PHYSICAL SHARED CHANNEL ALLOCATION message.

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

Abstract

L'invention concerne un système et un procédé d'attribution de canal partagé physiquement dans un système de communication sans fil UMTS. On envoie un message (220) d'attribution de canal partagé physiquement. Ce message contient plusieurs occurrences de ressources physiques attribuées, des identifications des ensemble de combinaisons de format de transport (TFCS) et une unité (130A) radio, le message d'attribution de canal partagé physiquement est reçu et les différentes occurrences des ressources physiques attribuées et les identifications de TFCS contenues dans ces dernières sont alors traitées, permettant ainsi à plusieurs canaux de transport à composite codé unique (CCTrCH) d'être dotés d'un seul message (220) d'attribution de canal partagé physiquement. Cela procure l'avantage de n'utiliser qu'un ensemble limité de combinaisons définies de format de transport, une grande partie de ces ressources physiques pouvant être attribuée et utilisée par un seul équipement utilisateur n'employant qu'un seul message d'attribution de canal partagé physiquement.
PCT/GB2002/003110 2001-07-06 2002-07-08 Systeme et procede d'attribution de canal partage physiquement dans un systeme de communication sans fil WO2003005754A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0116557A GB2377343B (en) 2001-07-06 2001-07-06 System and method for physical shared channel allocation in a wireless communication system
GB0116557.0 2001-07-06

Publications (2)

Publication Number Publication Date
WO2003005754A1 true WO2003005754A1 (fr) 2003-01-16
WO2003005754A8 WO2003005754A8 (fr) 2003-02-13

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US (1) USRE45800E1 (fr)
GB (1) GB2377343B (fr)
WO (1) WO2003005754A1 (fr)

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WO2007003121A1 (fr) * 2005-07-04 2007-01-11 Shanghai Ultimate Power Communications Technology Co., Ltd. Procede d'etablissement de canal hsdpa multiporteuse et procede de transmission de donnees par paquets en liaison descendante multiporteuse
CN100407859C (zh) * 2004-11-30 2008-07-30 华为技术有限公司 一种共享信道配置信息的接收方法
US7480261B2 (en) 2001-07-06 2009-01-20 Ipwireless, Inc. System and method for physical shared channel allocation in a wireless communication system
USRE45800E1 (en) 2001-07-06 2015-11-10 Sony Corporation System and method for physical shared channel allocation in a wireless communication system

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US8169964B2 (en) 2006-10-02 2012-05-01 Troels Kolding Adaptive scheme for lowering uplink control overhead

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US7480261B2 (en) 2001-07-06 2009-01-20 Ipwireless, Inc. System and method for physical shared channel allocation in a wireless communication system
USRE45800E1 (en) 2001-07-06 2015-11-10 Sony Corporation System and method for physical shared channel allocation in a wireless communication system
CN100407859C (zh) * 2004-11-30 2008-07-30 华为技术有限公司 一种共享信道配置信息的接收方法
WO2007003121A1 (fr) * 2005-07-04 2007-01-11 Shanghai Ultimate Power Communications Technology Co., Ltd. Procede d'etablissement de canal hsdpa multiporteuse et procede de transmission de donnees par paquets en liaison descendante multiporteuse
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Also Published As

Publication number Publication date
USRE45800E1 (en) 2015-11-10
GB0116557D0 (en) 2001-08-29
GB2377343A (en) 2003-01-08
GB2377343B (en) 2006-03-01
WO2003005754A8 (fr) 2003-02-13

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