WO2008014715A1 - Procédés et systèmes de communication, de transmission de données et de combinaison de styles de communication - Google Patents

Procédés et systèmes de communication, de transmission de données et de combinaison de styles de communication Download PDF

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Publication number
WO2008014715A1
WO2008014715A1 PCT/CN2007/070354 CN2007070354W WO2008014715A1 WO 2008014715 A1 WO2008014715 A1 WO 2008014715A1 CN 2007070354 W CN2007070354 W CN 2007070354W WO 2008014715 A1 WO2008014715 A1 WO 2008014715A1
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WO
WIPO (PCT)
Prior art keywords
softer handover
service
data
groups
terminal
Prior art date
Application number
PCT/CN2007/070354
Other languages
English (en)
French (fr)
Inventor
Sheng Liu
Wei Ruan
Yinggang Du
Original Assignee
Huawei Technologies Co., Ltd.
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 date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008014715A1 publication Critical patent/WO2008014715A1/zh
Priority to US12/359,045 priority Critical patent/US20090131059A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/18Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/26Reselection being triggered by specific parameters by agreed or negotiated communication parameters
    • H04W36/28Reselection being triggered by specific parameters by agreed or negotiated communication parameters involving a plurality of connections, e.g. multi-call or multi-bearer connections

Definitions

  • the present invention relates to the field of communications, and more particularly, to a communication method and system based on a plurality of softer handover groups, a data transmission method and system, and a communication method and system, which can be applied to, for example, wireless Cellular communication system.
  • SHOG also known as a group cell, refers to a group of geographically adjacent cells that use the same set of communication resources (such as frequency, crevice or code channel) for one mobile terminal to communicate with other mobile terminals. Different sets of communication resources are used for communication.
  • the communication technology used is the same as the single cell communication technology previously existed by the SHOG technology. Therefore, in a broad sense, the traditional single-cell communication technology is a special case of SHOG (hereinafter referred to as the SHOG technology, which includes the traditional single-cell communication technology).
  • SHOG communication technology makes up for some of the shortcomings of traditional wireless cellular communication technology. However, for mobile terminals that have different characteristics of the service, the SHOG technology according to the related art cannot achieve the best effect.
  • a technique related to the present invention is to provide a method for constructing a group cell, that is, to use the same set of communication resources (such as frequency, crevice or code channel) for one mobile terminal in a plurality of cells adjacent to each other in a geographical location. ) Communicate, and use different sets of communication resources for other mobile terminals to communicate.
  • the transmission signals of each cell in a group cell with which it communicates may be the same It can also be different. Since these cells use the same set of communication resources for the same mobile terminal, some technologies of the physical layer of the wireless communication system, such as joint transmission technology or distributed antenna technology, can be used.
  • the terminal can smoothly complete the soft handover process in this process, and the same technology can also be called SHOG (Softer Handoff) because it can also perform softer handover between different sectors.
  • SHOG Softer Handoff
  • P divides these adjacent multiple sectors into a group, and then uses the same set of communication resources (such as frequency, crevice or code channel) for one mobile terminal to communicate with other mobiles.
  • the terminals use different sets of communication resources to communicate respectively.
  • the division of the group is not fixed and can be adjusted.
  • the same mobile terminal has different services with different characteristics, such as a data service with a large bandwidth and an insensitive data service, and a low-speed service with a high requirement, if the mobile terminal Only one SHOG provides services for it, which will cause a large waste of channel resources, because more bandwidth resources need to be allocated more channel resources, and with SHOG technology, each base station in the SHOG needs to be assigned to it. Large channel resources can seriously affect the system's services to other services and user terminals, making bandwidth consumption too large and reducing system efficiency.
  • a cell with a small load can allocate a larger bandwidth to the user to meet the needs of a large bandwidth service, and a cell with a large load can only allocate a smaller bandwidth to the user.
  • the above technical solution cannot meet the requirements of a terminal that satisfies a service having a plurality of different characteristics. Therefore, when the same mobile terminal has multiple characteristics of the same service, such as a data service with a large bandwidth and a low-speed service with a high requirement, the method of providing a service by using a single SHOG will The efficiency of the system is reduced and the resource utilization is reduced.
  • An embodiment of the present invention provides a communication method and system based on multiple softer handover groups, a data transmission method and system, and a communication method and system, which are capable of selecting multiple softer handover cells As a serving cell of the terminal, the system efficiency is improved, thereby improving resource utilization.
  • the embodiment of the invention provides a communication method based on multiple softer handover groups.
  • a communication method based on a plurality of softer handover groups according to the present invention includes: determining various services according to their characteristics into various different characteristic services; selecting a plurality of softer handover groups according to characteristic services of the terminal As a serving cell of the terminal.
  • Embodiments of the present invention provide a communication system based on a plurality of softer handover groups.
  • a communication system based on a plurality of softer handover groups includes: a feature service determination module, configured to determine various services according to their characteristics into various different characteristic services; and a serving cell selection module, configured to According to the characteristic service of the terminal, multiple softer handover groups are selected as the serving cell of the terminal.
  • An embodiment of the present invention provides a data transmission method based on multiple softer handover groups.
  • a plurality of softer handover groups are selected as serving cells for transmitting uplink data or downlink data of terminal services.
  • the softer handover group comprises a single cell, wherein the single cell is a softer handover group in which only one cell.
  • Embodiments of the present invention provide a data transmission system based on a plurality of softer handover groups.
  • a data transmission system based on a plurality of softer handover groups includes a serving cell selection module for selecting a plurality of softer handover groups as service cells for transmitting uplink data or downlink data of terminal services.
  • the softer handover group comprises a single cell, wherein the single cell is a softer handover group in which only one cell.
  • Embodiments of the present invention provide a communication method combining method based on multiple softer handover groups.
  • the softer handover group communication method and the single cell communication method are used to transmit control signaling and service data of the terminal service.
  • the embodiment of the invention provides a communication mode combining system based on multiple softer switching groups.
  • a communication mode combining system based on a plurality of softer switching groups according to the present invention includes a communication mode combining module
  • the present invention achieves the following beneficial effects: By selecting a plurality of softer handover groups as serving cells, the requirements for transmitting broadband service data are satisfied, and system efficiency is improved, thereby improving resource utilization. rate. [25] BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 2 is a diagram showing communication based on a plurality of softer handover groups according to a second embodiment of the present invention.
  • System block diagram [29] Figure 3
  • a communication method based on a plurality of softer handover groups is provided, which will be described below with reference to FIG. 1, wherein FIG. 1
  • the communication method based on a plurality of softer handover groups includes the following steps: Step S102, determining various services according to their characteristics as various different characteristic services; and step S104, according to characteristics of the terminal Service, select multiple softer handover groups as the serving cell of the terminal. Among them, selecting a plurality of softer handover groups as the serving cell enables comprehensive scheduling according to the load condition of the cells in each softer handover group and the different service characteristics of the terminal.
  • the characteristics of the above services include bandwidth, quality of service, and realness.
  • step S104 A plurality of softer handover groups corresponding to the number of characteristic services are selected as the serving cell of the terminal. For example, for a data service with a large bandwidth, a file download, etc., a softer handover group with a smaller cell load is selected as a serving cell, so that each cell in the softer handover group can provide a larger bandwidth for the terminal. . Selecting different softer handover groups for different services as the serving cell of the terminal is beneficial to improving system efficiency and meeting the needs of different services.
  • the terminal can transmit multiple characteristic service data on the channel resource by using multiple channel multiplexing manners, and the peer base station determines a softer handover group to which the characteristic service data belongs according to the corresponding channel resource, thereby demodulating Corresponding data; or the base station transmits multiple characteristic service data on the channel resource by using multiple channel multiplexing manners, and the terminal determines a softer switching group to which the characteristic service data belongs according to the corresponding channel resource, thereby demodulating the corresponding data.
  • the above channel multiplexing methods include, but are not limited to, a frequency division multiplexing method, a split multiplexing method, a code division multiplexing method, and a composite multiplexing method.
  • multiple characteristic service data are separately modulated and transmitted on different subcarriers, and the base station determines a softer handover group to which the data belongs according to the corresponding subcarrier, and uses corresponding
  • the joint detection technique demodulates the corresponding data.
  • different types of service data are transmitted by using different gaps, and the base station determines a softer switching group to which the data belongs according to the corresponding gap, and demodulates by using the corresponding joint detection technology.
  • the corresponding data is described by using a split-multiplexing method.
  • a softer handover group or a single cell may be selected as a serving cell for transmitting uplink data or downlink data of a characteristic service of the terminal.
  • a softer handover group may be selected as a serving cell for transmitting uplink data, and a single cell is selected as a serving cell for transmitting downlink data; or a single cell is selected as a serving cell for transmitting uplink data, and a softer handover group is selected as the transmission.
  • the serving cell of the downlink data refers to a softer handover cell in which only one cell is located.
  • a softer handover group communication method or a single cell communication method may be used to transmit control signaling or service data of a characteristic service.
  • the softer handover group communication mode refers to a manner in which the radio access network uses the same resources of multiple cells to communicate with the terminal
  • the single cell communication mode refers to the radio access network using only one cell communication resource and the terminal.
  • the way of communication, communication resources include frequency, ⁇ gap, code channel.
  • a softer handover group communication mode may be used to transmit downlink service data, and a single cell communication mode may be used to transmit downlink control signaling;
  • the softer handover group communication mode is used to transmit uplink service data, and the single cell communication mode is used to transmit uplink control signaling.
  • FIG. 2 In a second embodiment of the present invention, a communication system based on a plurality of softer switching groups is provided, which will be described below with reference to FIG. 2, wherein FIG. 2
  • the method includes: a feature service determination module 202
  • serving cell selection module 204 for determining various services according to their characteristics as different characteristic services.
  • selecting a plurality of softer handover groups as the serving cell of the terminal enables comprehensive scheduling according to the load condition of the cells in each softer handover group and different service characteristics of the terminal.
  • the characteristics of the above services include bandwidth, quality of service, and realness.
  • the serving cell selection module 204 In the case where the terminal has multiple characteristic services, the serving cell selection module 204
  • a plurality of softer handover groups corresponding to the number of characteristic services are selected as the serving cell for the terminal. For example, for a data service with a large bandwidth, a file download, etc., a softer handover group with a smaller cell load is selected as a serving cell, so that each cell in the softer handover group can provide a larger bandwidth for the terminal. . In this way, selecting different softer handover groups for different services as the service area of the terminal is beneficial to improving system efficiency and meeting the needs of different services.
  • the communication system 200 For a terminal having one or more characteristic services, the communication system 200 according to the present embodiment
  • the above channel multiplexing methods include, but are not limited to, a frequency division multiplexing method, a split multiplexing method, a code division multiplexing method, and a composite multiplexing method.
  • a serving cell selection module 204 For a terminal having one or more characteristic services, a serving cell selection module 204
  • a softer handover group or a single cell can be selected as the uplink data or downlink for the characteristic service of the transmission terminal.
  • the serving cell of the data For example, the serving cell selection module 204
  • a softer handover group may be selected as a serving cell for transmitting uplink data, and a single cell is selected as a serving cell for transmitting downlink data; or a single cell is selected as a serving cell for transmitting uplink data, and a softer handover group is selected as a service for transmitting downlink data.
  • a single cell refers to a softer handover cell in which only one cell is located.
  • the communication system 200 further includes: a control signaling and a service data transmission module 208
  • the control signaling or service data used to transmit the characteristic service by using a softer handover group communication mode or a single cell communication mode.
  • the softer handover group communication mode refers to a manner in which the radio access network uses the same resources of multiple cells to communicate with the terminal, and the single cell communication mode refers to the radio access network using only one cell communication resource.
  • the communication resource includes a frequency, a slot, and a code channel.
  • the softer handover group communication mode can be used to transmit downlink service data, and the single-cell communication mode is used to transmit downlink control signaling; or the softer handover group communication mode is used to transmit uplink service data, and single-cell communication is used. The way to transmit uplink control signaling.
  • a data transmission method based on a plurality of softer handover groups is provided.
  • a plurality of softer handover groups are selected as serving cells for transmitting uplink data or downlink data of terminal services.
  • the softer switching group comprises a single cell, wherein the single cell is a softer switching group in which only one cell.
  • the characteristics of the data transmitted by the uplink and downlink of some services are not asymmetrical.
  • the downlink is a data service with a larger bandwidth, and the bandwidth requirement of the cell included in the softer handover group is higher.
  • the uplink is only some services related to the control command such as mouse clicks, and the bandwidth required for the cells included in the softer handover group is not large. Therefore, for the same service, uplink data and downlink data can also be transmitted using different softer handover groups as serving cells.
  • a softer handover group can be selected as a serving cell for transmitting uplink data, and a single cell is selected.
  • a serving cell for transmitting downlink data or selecting a single cell as a serving cell for transmitting uplink data, and selecting a softer handover group as a serving cell for transmitting downlink data.
  • a data transmission system based on a plurality of softer switching groups is provided.
  • a data transmission system 300 based on a plurality of softer switching groups As shown in FIG. 3, a data transmission system 300 based on a plurality of softer switching groups according to the present embodiment
  • the softer handover group comprises a single cell, wherein the single cell is a softer handover group in which only one cell.
  • a softer handover group may be selected as a serving cell for transmitting uplink data, and a single cell is selected as a serving cell for transmitting downlink data; or a single cell is selected as a serving cell for transmitting uplink data, and a softer handover group is selected as a service for transmitting downlink data. Community.
  • a communication method combining method based on a plurality of softer handover groups is provided.
  • the softer handover group communication method and the single cell communication method are used to transmit control signaling and service data of the terminal service.
  • the softer handover group communication mode refers to a manner in which the radio access network uses the same resources of multiple cells to communicate with the terminal
  • the single cell communication mode refers to the radio access network using only one cell communication resource.
  • Communication resources include frequency, crevice, and code channel.
  • a softer handover group communication mode may be used to transmit downlink service data, and a single cell communication mode may be used to transmit downlink control signaling; or a softer handover group communication mode may be used to transmit uplink service data. And use single-cell communication to transmit uplink control signaling.
  • a communication method combining system based on a plurality of softer switching groups is provided.
  • the communication method combining system 400 based on multiple softer switching groups according to the present embodiment mainly includes a communication mode combining module 402.
  • the softer handover group communication mode refers to a manner in which the radio access network uses the same resources of multiple cells to communicate with the terminal, and the single cell communication mode refers to the radio access network only uses one cell communication resource.
  • Communication resources include frequency, crevice, and code channel.
  • the softer handover group communication mode can be used to transmit downlink service data, and the single-cell communication mode is used to transmit downlink control signaling; or the softer handover group communication mode is used to transmit uplink service data, and single-cell communication is used. The way to transmit uplink control signaling.

Description

说明书
通信方法及系统、 数据传输方法及系统、 以及通信方式结合方法及 系统
[1] 技术领域
[2] 本发明涉及通信领域, 并且更特别地, 涉及一种基于多个更软切换组的通信方 法及系统、 数据传输方法及系统、 以及通信方式结合方法及系统, 其可以应用 于诸如无线蜂窝通信系统。
[3] 发明背景
[4] 随着网络技术和移动通信技术的不断发展, 人们对高速率和高质量无线通信业 务的需求显著增长。 移动通信终端不但要支持传统的低速实吋业务, 如语音业 务, 而且还要支持高速的大带宽数据业务, 如文件传输, 网页下载等等。 在后 3 G无线通信系统中, 要求通信系统能够同吋提供这些业务。 为了提高小区边缘用 户的通信质量和提高系统容量, 减少频繁切换引起的实吋业务掉线率, 保证实 吋业务的通信质量, 可以釆用相关技术中的更软切换组 (SHOG, softer handoff Group) 技术等。
[5] SHOG又称群小区, 指的是地理位置相邻的多个小区中, 针对一个移动终端釆 用同一套通信资源 (例如频率、 吋隙或码道) 进行通信, 而针对其他移动终端 分别釆用不同套的通信资源进行通信。 当组成 SHOG的小区数目为 1吋, 釆用的 通信技术和 SHOG技术以前存在的单小区通信技术相同。 因此, 广义的讲, 传统 的单小区通信技术是 SHOG的一个特例 (下面提到 SHOG技术吋, 都包含传统的 单小区通信技术) 。 SHOG通信技术弥补了传统无线蜂窝通信技术的一些缺点。 但是对于同吋存在不同特性的业务的移动终端, 釆用根据相关技术的 SHOG技术 无法达到最佳的效果。
[6] 与本发明相关的一种技术是提供群小区的构造方法, 即在地理位置相邻的多个 小区中, 针对一个移动终端釆用同一套通信资源 (例如频率、 吋隙或码道) 进 行通信, 而针对其他移动终端分别釆用不同套的通信资源进行通信。 对于每个 移动终端来说, 与其进行通信的一个群小区内的各个小区的发射信号可以相同 也可以不同。 由于这些小区针对同一移动终端釆用的是同一套通信资源, 可以 釆用无线通信系统物理层的某些技术, 例如联合发射技术或分布式天线技术等 。 终端在此过程中可以顺利地完成软切换过程, 同吋由于还可以在不同的扇区 间完成更软切换, 所以该技术也可以叫做 SHOG (Softer Handoff
Group) , P , 把这些相邻的多个扇区对某个终端分成一个组, 然后针对一个移 动终端釆用同一套通信资源 (例如频率、 吋隙或码道) 进行通信, 而针对其他 移动终端分别釆用不同套的通信资源进行通信。 而组的划分也并非固定, 可以 进行调整。
[7] 在上述的技术方案中, 同一个移动终端, 同一吋间内, 只有一个 SHOG对它提 供服务。 而在某些情况下, 比如同一个移动终端同吋存在多种不同特性的业务 , 如带宽较大吋延不敏感的数据业务和实吋要求较高的低速业务同吋存在, 如 果该移动终端只有一个 SHOG为它提供服务, 会造成较大的信道资源浪费, 因为 给带宽较大的业务需要分配较多的信道资源, 而釆用 SHOG技术, SHOG内的每 个基站都需要给其分配这么大的信道资源, 会严重影响系统对其他业务和用户 终端的服务, 使得带宽消耗过大, 降低系统效率。 而且因为每个小区的负载量 不相同, 负载量小的小区可以给该用户分配较大的带宽以满足大带宽业务的需 要, 负载量大的小区只能给用户分配较小的带宽, 只能给低速业务提供服务。 这样, 为了优化系统, 我们可以釆用多个 SHOG分别为移动终端的不同业务提供 服务。
[8] 通过以上描述可以看出, 上述的技术方案不能同吋满足有多种不同特性的业务 的终端的要求。 因此, 当同一个移动终端有多种特性的业务同吋存在吋, 如带 宽较大的数据业务和实吋要求较高的低速业务同吋存在, 釆用单个 SHOG为其提 供服务的方法会使系统的效率降低, 资源利用率减少。
[9] 因此, 需要一种基于多个更软切换组的通信方法及系统以及其它机制, 其能够 克服相关技术的技术方案本身所固有的一个或多个缺陷。
[10] 发明内容
[11] 本发明实施例提供了一种基于多个更软切换组的通信方法及系统、 数据传输方 法及系统、 以及通信方式结合方法及系统, 其能够通过选择多个更软切换小区 作为终端的服务小区来提高系统效率, 从而提高资源利用率。
[12] 本发明实施例提供了一种基于多个更软切换组的通信方法。
[13] 根据本发明的基于多个更软切换组的通信方法包括: 将各种业务按照其特性确 定为各种不同的特性业务; 根据终端所具有的特性业务, 选择多个更软切换组 作为终端的服务小区。
[14] 本发明实施例提供了一种基于多个更软切换组的通信系统。
[15] 根据本发明的基于多个更软切换组的通信系统包括: 特性业务确定模块, 用于 将各种业务按照其特性确定为各种不同的特性业务; 以及服务小区选择模块, 用于根据终端所具有的特性业务, 选择多个更软切换组作为终端的服务小区。
[16] 本发明实施例提供了一种基于多个更软切换组的数据传输方法。
[17] 在根据本发明的基于多个更软切换组的数据传输方法中, 选择多个更软切换组 作为用于传输终端业务的上行数据或下行数据的服务小区。 特别地, 更软切换 组包括单小区, 其中, 单小区是其中只有一个小区的更软切换组。
[18] 本发明实施例提供了一种基于多个更软切换组的数据传输系统。
[19] 根据本发明的基于多个更软切换组的数据传输系统包括服务小区选择模块, 用 于选择多个更软切换组作为用于传输终端业务的上行数据或下行数据的服务小 区。 特别地, 更软切换组包括单小区, 其中, 单小区是其中只有一个小区的更 软切换组。
[20] 本发明实施例提供了一种基于多个更软切换组的通信方式结合方法。
[21] 在根据本发明的基于多个更软切换组的通信方式结合方法中, 釆用更软切换组 通信方式和单小区通信方式来传输终端业务的控制信令和业务数据。
[22] 本发明实施例提供了一种基于多个更软切换组的通信方式结合系统。
[23] 根据本发明的基于多个更软切换组的通信方式结合系统包括通信方式结合模块
, 用于釆用更软切换组通信方式和单小区通信方式来传输终端业务的控制信令 和业务数据。
[24] 通过以上技术方案, 本发明实现了以下有益效果: 通过选择多个更软切换组作 为服务小区, 满足了同吋传输宽带业务数据等的需求, 提高了系统效率, 从而 提高了资源利用率。 [25] 附图简要说明
[26] 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本 发明的示例性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定 。 在附图中:
[27] 图 1
是示出根据本发明第一实施例的基于多个更软切换组的通信方法的流程图; [28] 图 2是示出根据本发明第二实施例的基于多个更软切换组的通信系统的框图; [29] 图 3
是示出根据本发明第四实施例的基于多个更软切换组的数据传输系统的框图; 以及
[30] 图 4
是示出根据本发明第六实施例的基于多个更软切换组的通信方式结合系统的框 图。
[31] 实施本发明的方式
[32] 以下将参照附图来具体描述本发明的优选实施例, 其中, 附图构成本申请的一 部分, 并与本发明的实施例一起用于阐释本发明的原理。
[33] 第一实施例
[34] 在本发明的第一实施例中, 提供了一种基于多个更软切换组的通信方法, 以下 将参照图 1来描述该实施例, 其中, 图 1
是示出根据本发明第一实施例的基于多个更软切换组的通信方法的流程图。
[35] 如图 1
所示, 根据本发明的基于多个更软切换组的通信方法包括以下步骤: 步骤 S102 , 将各种业务按照其特性确定为各种不同的特性业务; 以及步骤 S104 , 根据终端所具有的特性业务, 选择多个更软切换组作为终端的服务小区。 其 中, 选择多个更软切换组作为服务小区, 使得能够根据每个更软切换组内小区 的负载情况以及终端的不同业务特性进行综合调度。
[36] 其中, 上述的业务的特性包括带宽、 服务质量、 实吋性等。
[37] 在终端具有多种特性业务的情况下, 在步骤 S104 中选择与特性业务的数量相对应数量的多个更软切换组作为终端的服务小区。 例如, 对于带宽较大的数据业务、 文件下载等, 选择其中包含的小区负载较小 的更软切换组作为服务小区, 这样更软切换组内的每个小区都能够为终端提供 较大的带宽。 对于不同业务选择不同的更软切换组作为终端的服务小区, 既有 利于提高系统效率, 又能够满足不同业务的需要。
[38] 此外, 终端可以通过釆用多种信道复用方式在信道资源上来发送多种特性业务 数据, 同吋基站根据相应的信道资源确定特性业务数据所属的更软切换组, 从 而解调出相应的数据; 或者基站通过釆用多种信道复用方式在信道资源上来发 送多种特性业务数据, 并且终端根据相应的信道资源确定特性业务数据所属的 更软切换组, 从而解调出相应的数据。 上述的信道复用方式包括但不限于频分 复用方式、 吋分复用方式、 码分复用方式、 以及复合复用方式。
[39] 例如, 釆用频分复用的方式, 将多种特性业务数据分别调制在不同子载波上发 送出去, 基站根据相应的子载波确定数据所属的更软切换组, 并釆用相应的联 合检测技术解调出相应的数据。 又例如, 釆用吋分复用方式, 釆用不同吋隙将 多种特性业务数据发送出去, 基站根据相应的吋隙确定数据所属的更软切换组 , 并釆用相应的联合检测技术解调出相应数据。
[40] 对于具有一种或多种特性业务的终端, 均可以选择更软切换组或单小区作为用 于传输终端的特性业务的上行数据或下行数据的服务小区。 举例来说, 可以选 择更软切换组作为传输上行数据的服务小区, 并选择单小区作为传输下行数据 的服务小区; 或者选择单小区作为传输上行数据的服务小区, 并选择更软切换 组作为传输下行数据的服务小区。 其中, 单小区是指其中只有一个小区的更软 切换小区。
[41] 同样, 对于具有一种或多种特性业务的终端, 可以釆用更软切换组通信方式或 单小区通信方式来传输特性业务的控制信令或业务数据。 其中, 更软切换组通 信方式是指无线接入网釆用多个小区的相同资源与终端进行通信的方式, 单小 区通信方式是指无线接入网只釆用一个小区的通信资源与终端进行通信的方式 , 通信资源包括频率、 吋隙、 码道。 举例来说, 可以釆用更软切换组通信方式 来传输下行业务数据, 并釆用单小区通信方式来传输下行控制信令; 或者釆用 更软切换组通信方式来传输上行业务数据, 并釆用单小区通信方式来传输上行 控制信令。
[42] 第二实施例
[43] 在本发明的第二实施例中, 提供了一种基于多个更软切换组的通信系统, 以下 将参照图 2来描述该实施例, 其中, 图 2
是示出根据本发明第二实施例的基于多个更软切换组的通信系统的框图。
[44] 如图 2所示, 根据本实施例的基于多个更软切换组的通信系统 200
包括: 特性业务确定模块 202
, 用于将各种业务按照其特性确定为各种不同的特性业务; 以及服务小区选择 模块 204
, 用于根据终端所具有的特性业务, 选择多个更软切换组作为终端的服务小区 。 其中, 选择多个更软切换组作为服务小区, 使得能够根据每个更软切换组内 小区的负载情况以及终端的不同业务特性进行综合调度。
[45] 其中, 上述的业务的特性包括带宽、 服务质量、 实吋性等。
[46] 在终端具有多种特性业务的情况下, 服务小区选择模块 204
选择与特性业务的数量相对应数量的多个更软切换组作为用于终端的服务小区 。 例如, 对于带宽较大的数据业务、 文件下载等, 选择其中包含的小区负载较 小的更软切换组作为服务小区, 这样更软切换组内的每个小区都能够为终端提 供较大的带宽。 这样, 对于不同业务选择不同的更软切换组作为终端的服务小 区, 既有利于提高系统效率, 又能够满足不同业务的需要。
[47] 对于具有一种或多种特性业务的终端, 根据本实施例的通信系统 200
进一步包括: 多个特性业务数据传输模块 206
, 分别位于终端侧和基站侧, 用于从一侧通过釆用多种信道复用方式在信道资 源上来发送多种特性业务数据, 并在另一侧根据相应的信道资源确定特性业务 数据所属的更软切换组, 从而解调出相应的数据。 上述的信道复用方式包括但 不限于: 频分复用方式、 吋分复用方式、 码分复用方式、 以及复合复用方式。
[48] 对于具有一种或多种特性业务的终端, 服务小区选择模块 204
可以选择更软切换组或单小区作为用于传输终端的特性业务的上行数据或下行 数据的服务小区。 举例来说, 服务小区选择模块 204
可以选择更软切换组作为传输上行数据的服务小区, 并选择单小区作为传输下 行数据的服务小区; 或者选择单小区作为传输上行数据的服务小区, 并选择更 软切换组作为传输下行数据的服务小区。 其中, 单小区是指其中只有一个小区 的更软切换小区。
[49] 此外, 对于具有一种或多种特性业务的终端, 根据本实施例的通信系统 200 进一步包括: 控制信令及业务数据传输模块 208
, 用于釆用更软切换组通信方式或单小区通信方式来传输特性业务的控制信令 或业务数据。
[50] 其中, 更软切换组通信方式是指无线接入网釆用多个小区的相同资源与终端进 行通信的方式, 单小区通信方式是指无线接入网只釆用一个小区的通信资源与 终端进行通信的方式, 通信资源包括频率、 吋隙、 码道。 举例来说, 控制信令 及业务数据传输模块 208
可以釆用更软切换组通信方式来传输下行业务数据, 并釆用单小区通信方式来 传输下行控制信令; 或者釆用更软切换组通信方式来传输上行业务数据, 并釆 用单小区通信方式来传输上行控制信令。
[51] 第三实施例
[52] 在根据本发明的第三实施例中, 提供了一种基于多个更软切换组的数据传输方 法。
[53] 在根据本实施例的基于多个更软切换组的数据传输方法中, 选择多个更软切换 组作为用于传输终端业务的上行数据或下行数据的服务小区。 特别地, 更软切 换组包括单小区, 其中, 单小区是其中只有一个小区的更软切换组。
[54] 一些业务的上行和下行链路传输的数据的特性并不对称, 例如, 就文件下载业 务而言, 下行是带宽较大的数据业务, 对更软切换组包含的小区的带宽要求较 大, 而上行只是一些鼠标点击之类的与控制命令相关的业务, 对更软切换组包 含的小区的带宽要求不大。 所以, 对于同一种业务, 上行数据和下行数据也可 以釆用不同的更软切换组作为服务小区来传输。
[55] 举例来说, 可以选择更软切换组作为传输上行数据的服务小区, 并选择单小区 作为传输下行数据的服务小区; 或者选择单小区作为传输上行数据的服务小区 , 并选择更软切换组作为传输下行数据的服务小区。
[56] 第四实施例
[57] 在根据本发明的第四实施例中, 提供了一种基于多个更软切换组的数据传输系 统。
[58] 如图 3所示, 根据本实施例的基于多个更软切换组的数据传输系统 300
主要包括服务小区选择模块 302
, 用于选择多个更软切换组作为用于传输终端业务的上行数据或下行数据的服 务小区。 特别地, 更软切换组包括单小区, 其中, 单小区是其中只有一个小区 的更软切换组。
[59] 举例来说, 服务小区选择模块 302
可以选择更软切换组作为传输上行数据的服务小区, 并选择单小区作为传输下 行数据的服务小区; 或者选择单小区作为传输上行数据的服务小区, 并选择更 软切换组作为传输下行数据的服务小区。
[60] 第五实施例
[61] 在根据本发明的第五实施例中, 提供了一种基于多个更软切换组的通信方式结 合方法。
[62] 在根据本实施例的基于多个更软切换组的通信方式结合方法中, 釆用更软切换 组通信方式和单小区通信方式来传输终端业务的控制信令和业务数据。
[63] 其中, 更软切换组通信方式是指无线接入网釆用多个小区的相同资源与终端进 行通信的方式, 单小区通信方式是指无线接入网只釆用一个小区的通信资源与 终端进行通信的方式。 通信资源包括频率、 吋隙、 码道。
[64] 举例来说, 可以釆用更软切换组通信方式来传输下行业务数据, 并釆用单小区 通信方式来传输下行控制信令; 或者釆用更软切换组通信方式来传输上行业务 数据, 并釆用单小区通信方式来传输上行控制信令。
[65] 第六实施例
[66] 在根据本发明的第六实施例中, 提供了一种基于多个更软切换组的通信方式结 合系统。 [67] 如图 4所示, 根据本实施例的基于多个更软切换组的通信方式结合系统 400 主要包括通信方式结合模块 402
, 用于釆用更软切换组通信方式和单小区通信方式来传输终端业务的控制信令 和业务数据。
[68] 其中, 更软切换组通信方式是指无线接入网釆用多个小区的相同资源与终端进 行通信的方式, 单小区通信方式是指无线接入网只釆用一个小区的通信资源与 终端进行通信的方式。 通信资源包括频率、 吋隙、 码道。
[69] 举例来说, 通信方式结合模块 402
可以釆用更软切换组通信方式来传输下行业务数据, 并釆用单小区通信方式来 传输下行控制信令; 或者釆用更软切换组通信方式来传输上行业务数据, 并釆 用单小区通信方式来传输上行控制信令。
[70] 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的 技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内 , 所作的任何修改、 等同替换、 改进等, 均应包括在本发明的保护范围之内。

Claims

权利要求书
[1] 1.一种基于多个更软切换组的通信方法, 其特征在于, 包括:
将各种业务按照其特性确定为各种不同的特性业务; 以及
根据终端所具有的特性业务, 选择多个更软切换组作为所述终端的服务小 区。
[2] 2.根据权利要求 1
所述的基于多个更软切换组的通信方法, 其特征在于, 所述业务的特性包 括带宽、 服务质量、 实吋性。
[3] 3.根据权利要求 1
所述的基于多个更软切换组的通信方法, 其特征在于, 所述选择多个更软 切换组作为所述终端的服务小区的方法包括:
选择与所述特性业务的数量相对应数量的多个更软切换组作为用于所述终 端的服务小区。
[4] 4.根据权利要求 1
所述的基于多个更软切换组的通信方法, 其特征在于, 所述选择多个更软 切换组作为所述终端的服务小区的方法包括:
对于带宽较大的数据业务, 选择其中包含的小区负载较小的更软切换组作 为所述终端的服务小区。
[5] 5.根据权利要求 1
所述的基于多个更软切换组的通信方法, 其特征在于, 所述方法还包括: 终端与所述选择的服务小区内的各基站之间传输所述特性业务, 所述传输 所述特殊业务的方法具体包括:
所述终端通过釆用多种信道复用方式在信道资源上发送多种特性业务数据 , 所述基站根据相应的信道资源确定所述特性业务数据所属的更软切换组 , 从而解调出相应的数据; 或者,
所述基站通过釆用多种信道复用方式在信道资源上发送多种特性业务数据 , 并且所述终端根据相应的信道资源确定所述特性业务数据所属的更软切 换组, 从而解调出相应的数据。
[6] 6.根据权利要求 5
所述的基于多个更软切换组的通信方法, 其特征在于, 所述信道复用方式 包括: 频分复用方式、 吋分复用方式、 码分复用方式、 以及复合复用方式
[7] 7.根据权利要求 1
所述的基于多个更软切换组的通信方法, 其特征在于, 所述方法还包括: 选择更软切换组或单小区作为传输所述终端的所述特性业务的上行数据或 下行数据的服务小区。
[8] 8.根据权利要求 7
所述的基于多个更软切换组的通信方法, 其特征在于, 所述选择更软切换 组或单小区作为传输所述终端的所述特性业务的上行数据或下行数据的服 务小区的方法具体包括:
选择所述更软切换组作为传输所述上行数据的服务小区, 并选择所述单小 区作为传输所述下行数据的服务小区; 或者,
选择所述单小区作为传输所述上行数据的服务小区, 并选择所述更软切换 组作为传输所述下行数据的服务小区。
[9] 9.根据权利要求 1
所述的基于多个更软切换组的通信方法, 其特征在于, 所述方法还包括: 釆用更软切换组通信方式或单小区通信方式来传输所述特性业务的控制信 令或业务数据。
[10] 10.根据权利要求 9
所述的基于多个更软切换组的通信方法, 其特征在于, 所述釆用更软切换 组通信方式或单小区通信方式来传输所述特性业务的控制信令或业务数据 的方法具体包括:
釆用所述更软切换组通信方式来传输下行业务数据, 并釆用单小区通信方 式来传输下行控制信令。
[11] 11.根据权利要求 9
所述的基于多个更软切换组的通信方法, 其特征在于, 所述釆用更软切换 组通信方式或单小区通信方式来传输所述特性业务的控制信令或业务数据 的方法具体包括:
釆用所述更软切换组通信方式来传输上行业务数据, 并釆用单小区通信方 式来传输上行控制信令。
[12] 12.根据权利要求 7至 11
中任一项所述的基于多个更软切换组的通信方法, 其特征在于, 所述终端 具有一种或多种特性业务。
[13] 13.—种基于多个更软切换组的通信系统, 其特征在于, 包括:
特性业务确定模块, 用于将各种业务按照其特性确定为各种不同的特性业 务; 以及
服务小区选择模块, 用于根据终端所具有的特性业务, 选择多个更软切换 组作为所述终端的服务小区。
[14] 14.根据权利要求 13
所述的基于多个更软切换组的通信系统, 其特征在于, 所述业务特性包括 带宽、 服务质量、 实吋性。
[15] 15.根据权利要求 13
所述的基于多个更软切换组的通信系统, 其特征在于, 所述系统还包括: 多个特性业务数据传输模块, 设置于终端侧和基站侧, 用于从一侧通过釆 用多种信道复用方式复用在信道资源上发送多种特性业务数据, 并在另一 侧根据相应的信道资源确定所述特性业务数据所属的更软切换组, 从而解 调出相应的数据。
[16] 16.—种基于多个更软切换组的数据传输方法, 其特征在于, 选择多个更软 切换组作为传输终端业务的上行数据或下行数据的服务小区。
[17] 17.根据权利要求 16
所述的数据传输方法, 其特征在于, 所述更软切换组包括单小区, 其中, 所述单小区是其中只有一个小区的更软切换组。
[18] 18.根据权利要求 17
所述的数据传输方法, 其特征在于, 所述方法具体包括: 选择更软切换组作为传输所述上行数据的服务小区, 并选择所述单小区作 为传输所述下行数据的服务小区; 或者,
选择所述单小区作为传输所述上行数据的服务小区, 并选择所述更软切换 组作为传输所述下行数据的服务小区。
[19] 19.一种基于多个更软切换组的数据传输系统, 其特征在于, 包括: 服务小 区选择模块, 用于选择多个更软切换组作为传输终端业务的上行数据或下 行数据的服务小区。
[20] 20·根据权利要求 19
所述的数据传输系统, 其特征在于, 所述更软切换组包括单小区, 其中, 所述单小区是其中只有一个小区的更软切换组。
[21] 21.—种基于多个更软切换组的通信方式结合方法, 其特征在于, 釆用更软 切换组通信方式和单小区通信方式来传输终端业务的控制信令和业务数据
[22] 22·根据权利要求 21
所述的通信方式结合方法, 其特征在于, 所述方法具体包括: 釆用所述更软切换组通信方式来传输下行业务数据, 并釆用单小区通信方 式来传输下行控制信令。
[23] 23·根据权利要求 21
所述的通信方式结合方法, 其特征在于, 所述方法具体包括: 釆用所述更软切换组通信方式来传输上行业务数据, 并釆用单小区通信方 式来传输上行控制信令。
[24] 24.—种基于多个更软切换组的通信方式结合系统, 其特征在于, 包括: 通 信方式结合模块, 用于釆用更软切换组通信方式和单小区通信方式来传输 终端业务的控制信令和业务数据。
PCT/CN2007/070354 2006-07-26 2007-07-25 Procédés et systèmes de communication, de transmission de données et de combinaison de styles de communication WO2008014715A1 (fr)

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