CN1650647B - 用户设备量测信息的无线网络控制器点对点交换 - Google Patents
用户设备量测信息的无线网络控制器点对点交换 Download PDFInfo
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Abstract
一种无线发射/接收单元(WTRU)具有一相连的偏移无线网络控制器(D-RNC)与一相连的服务无线网络控制器(S-RNC)。该偏移无线网络控制器(D-RNC)发送一要求消息至该服务无线网络控制器(S-RNC)，要求该偏移无线发射/接收单元(WTRU)的量测。该服务无线网络控制器(S-RNC)接收该要求消息与发送一带有此被要求量测的信息消息至该偏移无线网络控制器(D-RNC)，而该偏移无线网络控制器(D-RNC)则接收该信息消息。
Description
技术领域
本发明是有关无线通讯系统，特别是，本发明是有关此类系统中无线网络控制器间的信息发射。
背景技术
图1显示一无线通讯系统，此系统中所有的用户皆藉由一无线网络控制器(RNC)20来管理。每个用户，即无线发射/接收单元(WTRU)24，与节点-B221(Node-B 221)进行无线通讯。节点-Bs 221-222群组是由无线网络控制器(RNC)20所控制。
当WTRU 24移动时，WTRU 241、242在基站与节点-Bs 32、34之间进行交接机制。图2是显示一WTRU 241、242从第一RNC 28管理的区域移动到第二RNC 26所管理的区域。WTRU 242被认定已经“偏移(drift)”至新的RNC区域，该RNC(第二个RNC)就被视为是偏移RNC(D-RNC)26。D-RNC26具有并控制一节点-Bs 32，第一RNC则被视为服务无线网络控制器(S-RNC)28。传统的RNCs(S-RNC 28和D-RNC 26)可通过RNC接口(Iur)互相进行一些信息的通讯，在WTRU 242“偏移”至D-RNC 26后，D-RNC 26会替“正在偏移”的WTRU 242执行一些功能，例如动态信道分配(DCA)、进入许可控制、排程以及RRM功能，S-RNC 28仍然会为“正在偏移”的WTRU 242执行其它功能，例如换手机制的判断以及WTRU下行链路量测信息的收集。当WTRU24不偏移时，例如图1所示，RNC 20管理WTRU 24执行S-RNC 28和D-RNC 26的功能。
在第三代合伙人计划(3GPP)的R99、R4及R5的规格下，当WTRU241、242从S-RNC 28交递至D-RNC 26时，小区开始装载且许多节点-B量测信息会从S-RNC 28发送至D-RNC 26。然而，并没有一个机制能从S-RNC 28发射可信的信息至D-RNC 26，例如WTRU量测信息。
因此，在RNC之间能有更佳的点对点通讯是一件令人渴望的事。
发明内容
一种偏移无线发射/接收单元(WTRU)具有一相连的偏移无线网络控制器(D-RNC)与一相连的服务无线网络控制器(S-RNC)。偏移无线网络控制器(D-RNC)发送一要求消息至服务无线网络控制器(S-RNC)要求偏移WTRU的量测信息，S-RNC接收此要求消息并发送一被要求的量测信息消息至D-RNC，此D-RNC接收此信息消息。
附图说明
图1是显示一无线网络控制器(RNC)操作一无线发射/接收单元(WTRU)。
图2是显示在无线网络控制器(RNCs)之间的一无线发射/接收单元(WTRU)偏移。
图3是显示在一较佳实施例中，点对点的信息交换的方块图。
图4是显示在一较佳实施例中，点对点的信息交换的流程图。
具体实施方式
虽然较佳实施例是以第三代合伙人计划(3GPP)的宽频码份多址(W-CDMA)规格来描述，但实施例亦应用在其它无线通讯系统。
未来，一种无线发射/接收单元(WTRU)包含但不限制在用户装置、移动基站、固接或移动用户单位、呼叫器、或能于无线环境下操作的任何其它形式装置。
图3是一“正在偏移”的WTRU 242在使用点对点信息交换时，一S-RNC40、一D-RNC 38及一IUR 36的简易方块流程图。图4是点对点信息交换的流程图。S-RNC 40为“正在偏移”的WTRU 242执行例如交递判断和收集WTRU下行链路量测信息的功能，D-RNC 38则为“正在偏移”的WTRU 242 执行功能，例如动态信道分配(DCA)、进入许可控制、排程以及RRM等功能。
D-RNC 38具有一RRM 42，RRM 42为与D-RNC 38相连的小区的 WTRUs管理资源，D-RNC 38替“正在偏移”的WTRU242的小区以及其它利用上行量测收集装置44的小区收集上行链路量测信息，这些量测信息在RRM 42可用来作为资源配置和管理的用途，RRM 42也具有可让WTRUs执行S-RNC功能的信息。
D-RNC 38已与RRM 42逻辑连结，当RRM 42要求“正在偏移”的WTRU242或一个群组或WTRUs的下行量测信息，逻辑46激活一WTRU量测需求装置48通过Iur36发送一讯息，即步骤60。
D-RNC 38可能会要求该信息的样本，包括下行链路公共控制物理信道(CCPCH)接收信号编码功率(RSCP)、干扰信号编码功率(ISCP)量测及/或流量量测。较佳地，D-RNC信息要求消息不能要求WTRU242执行或送出量测，但D-RNC 38要求此类的量测信息可实时被S-RNC 40所利用。
在Iru 36上的信令消息(signaling message)允许任一D-RNC 88激活与位于个别WTRU上、位于WTRU群组上或是在出现于一个或更多小区中的WTRU上的S-RNCs的信息交换，因此其并不假设其在一S-RNC中的角色。此过程较佳地并不是一个简单的WTRU特有信息的“转递(forwarding)”，例如WTRU量测。较佳地，该D-RNC逻辑46通常对于所需的信息型态做决定，纵使逻辑函数46可能藉控制RNC(C-RNC)来表现。一位于D-RNC 38中的逻辑函数46是决定是否以及何时其将需要量测以便自该S-RNC 40而被发送。例如，假使D-RNC 38侦测到超过一个门限数或是百分比，例如10％，的WTRU是处于”偏移”模式，其一般将会开始要求量测以便被发送。在一较佳实施中，由节点B接口(Iub/Iur)的第三代合伙人计划(3GPP)标准所定义而存在的信息组件以及标准化的WTRU量测/报告机制是被利用。
一较佳信息允许D-RNC 38在一特定时间间隔中对一特定”偏移”WTRU242，或是对位在一特定小区中的所有”偏移”WTRU，亦或是在特定时间间隔内对与S-RNC 40有关的小区群组来请求量测。当拥有一特定S-RNC的许多WTRU处于”偏移”模式时，一种请求WTRU群组信息的通信定义表是被渴望的。例如，一第一列车站(train station)是藉一第一RNC所支撑而一第二列车站则是藉一第二RNC所支撑。搭上开始于该第一列车站而正离开该第二列车站的列车的所有WTRU可能具有该第一RNC，例如S-RNC 40，以及该第二RNC，例如D-RNC 38。在此通信定义表中，要求“偏移”WTRU群组中的WTRU信息将减少信息过量。然而，一具有被增大的信息过量(messagingoverhead)的通信定义表，此过程在该处将仅允许每个WTRU的一单独WTRU能被使用。
此讯息是被正在偏移的WTRU S-RNC 40所接收，步骤62。该S-RNC 40具有一WTRU量测收集装置52。此WTRU量测收集装置52储存特定WTRU的下行链路量测。一WTRU量测响应装置50通过Iur36发送一量测/信息讯息至D-RNC 38，步骤64。D-RNC RRM 42使用这些量测在它的资源分配与管理中，步骤66。通过Iur36来转换这些数据的一个好处是这些数据转换一般非常快。
用以请求并转换这些WTRU量测的一个较佳方式使用了无线电网络子层应用部分(radio network sublayer application part，RNSAP)程序。无线电网络子层应用部分(RNSAP)有四个基本程序单元。这些程序单元的一为“整体程序(Global Procedure)”程序单元。此程序单元包含在RNC间执行小区阶信息交换讯息的发送的程序。例如，接收到的总宽频功率，加载与全球定位系统(GPS)时序信息是藉使用一公共量测讯息而被交换。
使用无线电网络子层应用部分(RNSAP)整体程序而交换的信息窗体是被扩至允许较佳的RRM。特别地，此信息有助于最初的讯号换手决定。例如，与换手至周围RNC的偏差小区有关的信息将助于此种决定。在此被提及的第二代合伙人计划(3GPP)系统中，使用整体程序单元而交换的信息与一特定WTRU或是WTRU群组并无关连。因此，其并不支持通过Iur36来发射WTRU数据的传输。较佳地，信息应通过使用无线电网络子层应用部分(RNSAP)程序的Iur36而发射，假使此种模拟小区信息可获自于S-RNC 40之中或是与D-RNC 38有关的RRM决定之中。
此种通过Iur36的信息交换是使得一D-RNC 38可自该S-RNC 40中请求WTRU量测信息，并使得更多小区信息能在使用无线电网络子层应用部分(RNSAP)整体程序组件单元的点RNC之间被交换。典型地，这些信息的交换增大了在D-RNC 38中的RRM算法(动态信道分配(DCA)，容许控制(Admission Control)，服务排程以及其它)的表现，其是由于WTRU量测 的可利用性。增大的RRM，特别是动态信道分配(DCA)，促进了在无线系统，例如第三代无线技术统合计划(3GPP)的分时双重划分(time division duplex，TDD)模式，中的表现、效率以及坚实(robustness)。
Claims (9)
1.一种宽频码分多址(W-CDMA)偏移无线网络控制器(DRNC)，该DRNC包括：
逻辑装置，该逻辑装置用于激活无线发射/接收单元(WTRU)量测要求装置；以及
WTRU量测要求装置，该WTRU量测要求装置用于通过无线网络控制器接口(IUR)使用无线电网络子层应用部分(RNSAP)程序的整体程序单元向服务无线网络控制器(SRNC)发送要求偏移WTRU的量测的要求消息，其中被要求的量测包括下行链路公共控制物理信道(CCPCH)接收信号编码功率(RSCP)和干扰信号编码功率(ISCP)量测。
2.根据权利要求1所述的DRNC，其中所述WTRU量测要求装置进一步用于接收对所述要求消息的响应。
3.根据权利要求1所述的DRNC，该DRNC进一步包括用于收集上行链路量测的上行链路量测收集装置。
4.根据权利要求1所述的DRNC，该DRNC进一步包括：
无线资源管理装置，该无线资源管理装置用于管理所述DRNC的无线资源。
5.一种宽频码分多址(W-CDMA)服务无线网络控制器(SRNC)，该SRNC包括：
无线发射/接收单元(WTRU)量测响应装置，该WTRU量测响应装置用于响应于通过无线网络控制器接口(IUR)从偏移无线网络控制器(DRNC)接收使用无线电网络子层应用部分(RNSAP)程序的整体程序单元要求偏移WTRU的量测的要求消息，通过所述IUR使用所述RNSAP程序的整体程序单元发送WTRU的量测到所述DRNC，其中被要求的量测包括下行链路公共控制物理信道(CCPCH)接收信号编码功率(RSCP)和干扰信号编码功率(ISCP)量测；以及
WTRU量测收集装置，该WTRU量测收集装置用于收集被要求的WTRU的量测。
6.一种被配置成作为服务无线网络控制器(SRNC)和偏移无线网络控制器(DRNC)进行操作的宽频码分多址(W-CDMA)无线网络控制器(RNC)，该W-CDMARNC包括：
逻辑装置，该逻辑装置用于当所述W-CDMARNC作为DRNC进行操作时，激活无线发射/接收单元(WTRU)量测要求装置；
WTRU量测要求装置，该WTRU量测要求装置用于当所述W-CDMARNC作为DRNC进行操作时，通过无线网络控制器接口(IUR)使用无线电网络子层应用部分(RNSAP)程序向SRNC发送要求偏移WTRU的量测的要求消息，其中被要求的量测包括下行链路公共控制物理信道(CCPCH)接收信号编码功率(RSCP)和干扰信号编码功率(ISCP)量测；
WTRU量测响应装置，该WTRU量测响应装置用于当所述W-CDMARNC作为SRNC进行操作时，响应于经由所述IUR从DRNC接收使用RNSAP程序要求偏移WTRU的量测的要求消息，通过所述IUR使用RNSAP程序发送WTRU的量测到所述DRNC；以及
WTRU量测收集装置，该WTRU量测收集装置用于当所述W-CDMARNC作为SRNC进行操作时，收集被要求的WTRU的量测。
7.根据权利要求6所述的W-CDMA RNC，该W-CDMA RNC进一步包括：
上行链路量测收集装置，该上行链路量测收集装置用于当所述W-CDMA RNC作为DRNC进行操作时，收集上行链路量测。
8.根据权利要求6所述的W-CDMA RNC，其中所述WTRU量测要求装置进一步用于接收对所述要求消息的响应。
9.一种在具有服务无线网络控制器(SRNC)和偏移无线网络控制器(DRNC)的宽频码分多址通信系统中使用的方法，该方法包括：
由所述DRNC通过无线网络控制器接口(IUR)使用无线电网络子层应用部分(RNSAP)程序的整体程序单元对所述SRNC要求偏移无线发射/接收单元(WTRU)的量测，其中被要求的量测包括下行链路公共控制物理信道(CCPCH)接收信号编码功率(RSCP)和干扰信号编码功率(ISCP)量测；以及
响应于通过所述IUR从所述DRNC接收使用所述RNSAP程序的整体程序单元对偏移WTRU的量测的要求，由所述SRNC通过所述IUR使用所述RNSAP程序的整体程序单元发送WTRU的量测到所述DRNC。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39212202P | 2002-06-27 | 2002-06-27 | |
| US60/392,122 | 2002-06-27 | ||
| PCT/US2003/019958 WO2004004306A2 (en) | 2002-06-27 | 2003-06-25 | Radio network controller exchange of equipment information |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101550170A Division CN102215522A (zh) | 2002-06-27 | 2003-06-25 | 宽频码分多址第一无线网络控制器 |
| CN201110154997.2A Division CN102223692B (zh) | 2002-06-27 | 2003-06-25 | W-cdma第一rnc、配置作为第一和第二rnc操作的w-cdma rnc和使用方法 |
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| CN1650647A CN1650647A (zh) | 2005-08-03 |
| CN1650647B true CN1650647B (zh) | 2011-08-03 |
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