WO2011020424A1 - Procédé de multiplexage par répartition spatiale, système et dispositif pour un service statique et un service dynamique - Google Patents

Procédé de multiplexage par répartition spatiale, système et dispositif pour un service statique et un service dynamique Download PDF

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Publication number
WO2011020424A1
WO2011020424A1 PCT/CN2010/076058 CN2010076058W WO2011020424A1 WO 2011020424 A1 WO2011020424 A1 WO 2011020424A1 CN 2010076058 W CN2010076058 W CN 2010076058W WO 2011020424 A1 WO2011020424 A1 WO 2011020424A1
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WO
WIPO (PCT)
Prior art keywords
service
static
codeword
user
service user
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Application number
PCT/CN2010/076058
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English (en)
Chinese (zh)
Inventor
牛纲
Original Assignee
大唐移动通信设备有限公司
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.)
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Publication of WO2011020424A1 publication Critical patent/WO2011020424A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0466—Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, system and apparatus for static service and dynamic service space division multiplexing. Background technique
  • TD-SCDMA Time Division-Synchronous Code Division Multiple
  • the currently supported fast code channel reconfiguration scheme is as follows: RNC (Radio Network Controller): Configure HSDPA (High Speed Downlink Packet Access) and R4 code.
  • RNC Radio Network Controller
  • Configure HSDPA High Speed Downlink Packet Access
  • R4 code When the word resource (the physical resource occupied by the dedicated physical channel DPCH), the reserved partial codeword is used as the shared codeword resource of HSDPA and R4, which is the shared codeword resource of HSDPA and R4.
  • the NodeB base station
  • the NodeB base station
  • the NodeB base station
  • the NodeB base station
  • a disadvantage of the prior art is that once the shared codeword resource is occupied, the codeword resources occupied by the R4 service cannot be used when scheduling the H resources (the physical resources occupied by the HS-PDSCH and the E-PUCH), so This will result in a decrease in the throughput of the cell.
  • the present invention provides a method for static service and dynamic service space division multiplexing, which includes the following steps: dividing a codeword resource of a cell to obtain codeword resource configuration information, where the shared codeword defaults. As a high-speed packet access H resource; configure the shared channel resource of the NodeB; when the static service occupies the shared codeword, the NodeB determines whether the isolation requirement is met between the static service user and the dynamic service user; The NodeB performs space division multiplexing on the static service user and the dynamic service user, and uses the shared codeword occupied by the static service in the H resource scheduling.
  • Another aspect of the present invention further provides a system for static service and dynamic service space division multiplexing, including an RNC and a NodeB, where the RNC is configured to configure a NodeB according to codeword resource configuration information obtained by dividing a codeword resource of a cell.
  • the shared codeword is used as the H resource by default; the NodeB is configured to report the spatial area to which the static service user belongs to the RNC after receiving the request for the static service user, and the static service is occupied.
  • the codeword is shared, it is determined whether the isolation requirement is met between the static service user and the dynamic service user. If the isolation requirement is met, the static service user and the dynamic service user are spatially multiplexed in the H resource.
  • the shared codeword occupied by the static service is used in scheduling.
  • a further aspect of the present invention provides a NodeB, which includes a configuration module, a judging module, and a scheduling module, where the configuration module is configured to receive configuration information that the RNC performs on the NodeB according to the codeword resource of the divided cell, where the shared codeword is used by default.
  • the H-resource the determining module is configured to determine, when the static service occupies the shared codeword, whether the static service user and the dynamic service user meet the isolation requirement
  • the scheduling module is configured to determine in the determining module When the isolation requirement is met, the static service user and the dynamic service user are spatially multiplexed, and the shared codeword occupied by the static service is used in the H resource scheduling.
  • the invention not only improves the time-frequency code resource utilization rate of the cell, but also improves the cell connection rate KPI, and reduces the denial of access caused by resource blocking.
  • FIG. 1 is a flowchart of a method for static service and dynamic service space division multiplexing according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of scheduling H resources according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of a system for static service and dynamic service space division multiplexing according to an embodiment of the present invention. detailed description
  • the present invention mainly provides that a space division multiplexing technology is adopted for a static service user and a dynamic service user satisfying the isolation condition, so that the shared codeword resource occupied by the static service user can be used for dynamic service data transmission, thereby improving the time frequency of the cell.
  • the code resource utilization rate increases the cell's connection rate KPI and reduces the denial of access caused by resource blocking.
  • the static service may include an R4 service and an unscheduled HSUPA service
  • the dynamic service may include a scheduled HSUPA service and an HSDPA service.
  • the indoor distributed system adopts the BBU + RRU scheme for multi-channel coverage. Since there is a large isolation between the floors, the coverage areas of the respective channels are relatively independent, and the space division multiplexing technology can be applied to effectively improve the code. Resource utilization. If it is an outdoor system, it can be covered with a smart antenna. For users with large spatial isolation, space division multiplexing can also be applied to further improve code resource utilization.
  • FIG. 1 is a flowchart of a method for static service and dynamic service space division multiplexing according to an embodiment of the present invention, where the method includes the following steps:
  • Step S101 dividing a codeword resource of the cell to obtain codeword resource configuration information, where the shared codeword is used as an H resource by default.
  • the codeword resources of the cell are planned before the cell is established.
  • the codeword resource of the cell may be divided into a high speed downlink packet access HSDPA reserved codeword, a high speed uplink packet access HSUPA reserved codeword, and R4.
  • Reserved codeword, R4/HSDP A shared codeword and R4/HSUP A shared codeword are also select other division manners, but if these division manners play the same role as the division manner of the present invention, they should also be included in the scope of protection of the present invention.
  • Step S102 The OMCR operation and maintenance platform notifies the RNC of the codeword resource configuration information of the current cell, such as the R4 reserved codeword resource, the HSDPA reserved codeword resource, the HSUPA reserved codeword resource, and the R4/HSDP A shared codeword resource, R4/ HSUP A shares the configuration of codeword resources.
  • Step S103 The codeword resource configuration information is configured by the RNC to the NodeB.
  • the RNC configures the shared channel resource of the NodeB
  • the R4/HSDPA shared code channel resource and the R4/HSUP A shared code channel resource are configured as the H resource to the NodeB by default, that is, in the present invention.
  • the NodeB does not care which channels are R4/HSDPA shared code channels, R4/HSUPA shared code channels, and which are HSDPA and HSUPA reserved code channels.
  • the NodeB schedules H resources the R4/HSDPA shared code channel and the R4/HSUPA shared code channel are regarded as equivalent to HSDPA and HSUPA reserved code channels.
  • Step S104 When a static service user (for example, an R4 service user) requests access, the NodeB reports the space area to which the user belongs to the RNC.
  • a static service user for example, an R4 service user
  • Step S105 The RNC allocates a codeword resource to the static service user.
  • the RNC first uses the codeword resource reserved by R4, and only uses the R4/HSDPA shared codeword resource and the R4/HSUPA shared codeword resource when the R4 reserved codeword resource is insufficient. . If the R4/HSDP A shared codeword resource is used, the R4/HSUP A shared codeword resource continues to perform step S106, if the R4/HSDPA shared codeword resource is not used, the R4/HSUPA shared codeword resource is used, and the R4 reserved codeword is used. Resources are prior art and will not be described here.
  • the RNC polls the spatial area of all the dynamic service users that are already in the cell, and ensures that the time-frequency code resource of the new access user is different from the space area to which the dynamic service user belongs. Space division multiplexing probability.
  • Step S106 When the static service occupies the shared codeword, the NodeB determines whether the isolation requirement is met between the static service user and the dynamic service user. For example, whether the H resource can be multiplexed with the R4 service can be determined by a certain spatial isolation judgment criterion. use. If it is determined that the isolation requirement is not met, the shared codeword occupied by the static service is no longer used in the H resource scheduling. Step S107: If it is determined that the isolation requirement is met, the NodeB performs space division multiplexing on the static service user and the dynamic service user, and uses the shared codeword occupied by the static service in the H resource scheduling.
  • FIG. 2 is a schematic diagram of scheduling H resources according to an embodiment of the present invention. For a static service user and a dynamic service user that meet the isolation condition, the MaC scheduling continues to use the codeword resources occupied by the static service user to perform DSCH data transmission, and performs downlink airing. Sub-multiplexing.
  • the static service is the R4 service
  • the static service user is the R4 service user
  • the dynamic service is the HSUPA service
  • the dynamic service user is the HSUPA service user
  • the MaC scheduling continues to use the shared codeword resources occupied by the R4 service users to perform enhanced dedicated channel E-DCH data transmission, and performs uplink space division multiplexing (refer to FIG. 2).
  • the static service is a non-scheduled HSUPA service
  • the static service user is a non-scheduled HSUPA service user
  • the dynamic service is a scheduling HSUPA service
  • the dynamic service user is a HSUPA service user
  • FIG. 3 is a system structural diagram of a static service and a dynamic service space division multiplexing according to an embodiment of the present invention.
  • the system includes a NodeB 100 and an RNC 200.
  • the RNC 200 is configured to configure the NodeB 100 according to the codeword resource configuration information obtained by dividing the codeword resource of the cell, where the shared codeword is used as the H resource by default.
  • the NodeB 100 is configured to report the spatial area to which the static service user belongs to the RNC 200 after receiving the request of the static service user, and determine the relationship between the static service user and the dynamic service user when the static service occupies the shared codeword. Whether the isolation requirement is met. If it is determined that the isolation requirement is met, the static service user and the dynamic service user are spatially multiplexed, and the shared codeword occupied by the static service is used in the H resource scheduling.
  • the NodeB 100 includes a configuration module 110, a determination module 120, and a scheduling module 130.
  • the configuration module 110 is configured to receive configuration information that the RNC configures the NodeB according to the codeword resource of the divided cell, where the shared codeword is used as the H resource by default.
  • the determining module 120 is configured to determine whether the isolation requirement is met between the static service user and the dynamic service user when the static service occupies the shared codeword.
  • the scheduling module 130 is configured to perform space division multiplexing on the static service user and the dynamic service user when the determining module 120 determines that the isolation requirement is met, and use the shared codeword occupied by the static service in the H resource scheduling.
  • the scheduling module 130 is further configured to: when the determining module 120 determines that the isolation requirement is not met, the shared codeword occupied by the static service is no longer used in the H resource scheduling.
  • a codeword resource of a cell may be divided into a high speed downlink packet access HSDPA reserved codeword, a high speed uplink packet access HSUPA reserved codeword, an R4 reserved codeword, an R4/HSDPA shared codeword, and an R4. /HSUPA shares codewords.
  • the static service includes the R4 service and the unscheduled HSUPA service
  • the dynamic service may include the scheduled HSUPA service and the HSDPA service.
  • the static service is the R4 service
  • the static service user is the R4 service user
  • the dynamic service is the HSDPA service
  • the dynamic service user is the HSDPA service user
  • the NodeB 100 continues to use the shared codeword resource occupied by the R4 service user to perform downlink shared channel DSCH data transmission, and performs downlink space division multiplexing.
  • the static service is the R4 service
  • the static service user is the R4 service user
  • the dynamic service is the HSUPA service
  • the dynamic service user is the HSUPA service user
  • the NodeB 100 continues to use the shared codeword resource occupied by the R4 service user to perform enhanced dedicated channel E-DCH data transmission, and performs uplink space division multiplexing.
  • the NodeB 100 uses the shared codeword resource occupied by the non-scheduled HSUPA user to perform data transmission of the HSUPA service user, and performs space division multiplexing.
  • the invention not only improves the time-frequency code resource utilization rate of the cell, but also improves the cell connection rate.

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

Abstract

La présente invention se rapporte à un procédé de multiplexage par répartition spatiale pour un service statique et un service dynamique. Le procédé comprend l’étape suivante: des ressources de mot codé d'une cellule sont divisées et des informations de configuration de ressources de mot codé sont ensuite obtenues. Un mot codé partagé est pris en tant que ressources H d'un accès par paquets à grande vitesse par défaut; des ressources de canal partagé d'un NodeB sont configurées; quand le mot codé partagé est occupé par le service statique, le NodeB détermine si le critère de degré d'isolation est satisfait ou non entre un utilisateur de service statique et un utilisateur de service dynamique; si le critère de degré d'isolation est satisfait, le NodeB exécute un multiplexage par répartition spatiale pour l'utilisateur de service statique et l'utilisateur de service dynamique, et le mot codé partagé occupé par le service statique est utilisé dans la programmation de ressources H.
PCT/CN2010/076058 2009-08-17 2010-08-17 Procédé de multiplexage par répartition spatiale, système et dispositif pour un service statique et un service dynamique WO2011020424A1 (fr)

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CN200910091293.8 2009-08-17
CN200910091293.8A CN101998654B (zh) 2009-08-17 2009-08-17 静态业务和动态业务空分复用的方法、系统及装置

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CN102781045B (zh) * 2012-07-17 2015-08-26 大唐移动通信设备有限公司 空分复用方法及装置
CN106888465B (zh) * 2015-12-15 2019-12-03 中国移动通信集团浙江有限公司 一种网络静态业务的分析方法及装置
CN106059637A (zh) * 2016-05-31 2016-10-26 华中科技大学 一种多用户mimo广播信道在混合csi下的自由度优化方法

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CN1625089A (zh) * 2003-12-03 2005-06-08 上海贝尔阿尔卡特股份有限公司 一种用于hsdpa系统的实现动态快速调度的方法
CN1734979A (zh) * 2004-08-11 2006-02-15 华为技术有限公司 组播业务下行数据传输方法及装置
JP2008211695A (ja) * 2007-02-28 2008-09-11 Nec Corp 無線ネットワーク制御装置、移動通信システム及びそれらに用いる動的ｈｓｄｐａコード割り当て方法
CN101277465A (zh) * 2007-03-28 2008-10-01 中兴通讯股份有限公司 上行增强系统中调度与非调度复用的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1625089A (zh) * 2003-12-03 2005-06-08 上海贝尔阿尔卡特股份有限公司 一种用于hsdpa系统的实现动态快速调度的方法
CN1734979A (zh) * 2004-08-11 2006-02-15 华为技术有限公司 组播业务下行数据传输方法及装置
JP2008211695A (ja) * 2007-02-28 2008-09-11 Nec Corp 無線ネットワーク制御装置、移動通信システム及びそれらに用いる動的ｈｓｄｐａコード割り当て方法
CN101277465A (zh) * 2007-03-28 2008-10-01 中兴通讯股份有限公司 上行增强系统中调度与非调度复用的方法

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