CN2669489Y - 使用者设备量测信息点对点交换的无线网络控制器 - Google Patents
使用者设备量测信息点对点交换的无线网络控制器 Download PDFInfo
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Abstract
一种无线网络控制器控制无线使用者,可以漂移无线网络控制器与以服务无线网络控制器操作,包含:上连量测收集装置,收集与无线网络控制器相连单元的上连量测;逻辑装置,决定何时要求漂移无线收发装置单元的量测;无线收发装置单元量测要求装置,耦合至逻辑装置并送出漂移无线收发装置单元要求量测的信息;无线资源管理装置,耦合至上连量测收集装置与逻辑装置并管理无线网络控制器的无线资源,及接收所收集的上连量测与漂移的无线收发装置单元量测,无线收发装置单元量测收集装置收集无线收发装置单元的量测并与无线收发装置单元量测响应装置耦合,后者将无线收发装置单元所收集的量测送出至另外的无线网络控制器,以响应接收无线收发装置单元量测要求信息。
Description
(1)技术领域
本发明是有关无线通讯系统。特别是,本发明与该系统中无线网络控制器间的信息传送相关。
(2)背景技术
图1是一无线通讯系统的图标,所有的使用者皆藉由一无线网络控制器(RNC)20管理。每一个使用者,也就是无线传送/接收单位(WTRU)24,利用节点-B221(Node-B 221)进行无线式的通讯。节点-Bs 221-222群组是藉由无线网络控制器(RNC)20所控制。
当WTRU 24移动时,WTRU 241,242便在介于基地/节点-Bs 32,34进行交接机制。图2是一WTRU 241,242从第一RNC 28控管的区域移动到第二RNC 26所控管区域的图标,WTRU 242被认定已经「漂移(drift)」进入新的RNC区域,该RNC(第二个RNC)就被视为是漂移RNC(D-RNC)26。D-RNC 26具有并控制一节点-Bs 32,第一RNC则被视为服务RNC(S-RNC)28。传统的RNCs(S-RNC 28和D-RNC 26)可通过RNC接口(Iur)让彼此之间做一些信息的通讯,在WTRU 242「漂移」进入D-RNC26后,D-RNC 26会替「正在漂移」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WTRU 242执行其它功能,例如换手机制的判断以及WTRU下行通路量测信息的收集。当WTRU 24不漂移时,例如图1所示,RNC 20控管WTRU 24执行S-RNC 28和D-RNC 26的功能。
在第三代无线技术统合计划(3GPP)的R99,R4及R5的规格下,当WTRU241,242从S-RNC 28交递至D-RNC时,蜂巢细胞开始装载且许多节点-B量测信息会从S-RNC28传送至D-RNC 26。然而,并没有一个机制能从S-RNC 28传送可信的信息至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。
(3)实用新型内容
一种无线网络控制器(RNC)控制无线使用者,此无线网络控制器(RNC)可以一漂移无线网络控制器(D-RNC)与以一服务无线网络控制器(S-RNC)进行操作。无线网络控制器(RNC)系包含一上连量测收集装置,用以收集与无线网络控制器(RNC)相连单元之上连量测;一逻辑装置用以决定何时要求漂移无线收发装置单元(WTRU)的量测;一无线收发装置单元(WTRU)量测要求装置,耦合至该逻辑装置并且送出一漂移无线收发装置单元(WTRU)要求量测的信息;一无线资源管理装置,耦合至上连量测收集装置与逻辑装置,其并管理无线网络控制器(RNC)的无线资源。该无线资源管理装置接收所收集的上连量测与漂移的无线收发装置单元(WTRU);一无线收发装置单元(WTRU)量测收集装置收集该无线收发装置单元(WTRU)的量测;以及一无线收发装置单元(WTRU)量测响应装置,耦合至该无线收发装置单元(WTRU)量测收集装置,并将无线收发装置单元(WTRU)所收集的量测送出至另外的无线网络控制器(RNC),以响应接收一无线收发装置单元(WTRU)量测要求信息。
(4)附图说明
图1是显示一无线网络控制器(RNC)操作一无线收发装置单元(WTRU)的示意图。
图2是显示在无线网络控制器(RNCs)之间的一无线收发装置单元(WTRU)的示意图。
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。
(5)具体实施方式
虽然较佳实施例是以第三代无线技术统合计划(3GPP)的宽频分码撷取系统(W-CDMA)规格来描述,但实施例亦适用其它无线通讯系统。
未来,一无线传送/接收单位(WTRU)包含但不受限于使用者装置、移动基地台、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「正在漂移」的WTRU 242在使用点对点信息交换时,一S-RNC 40、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代表替「正在漂移」的WTRU 242执行类似交递判断和收集WTRU下行通路量测信息的功能,D-RNC 38则代表替「正在漂移」的WTRU 242执行类似DCA、进入许可控制、排程以及RRM功能。
D-RNC 38具有一RRM 42,RRM 42替与D-RNC 38联系的蜂巢细胞的WTRUs控管资源,D-RNC 38替「正在漂移」的WTRU242的蜂巢细胞以及其它利用上连量测收集器44的蜂巢细胞收集上连量测信息,这些量测信息在RRM 42会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具有逻辑器与RRM 42连结,当RRM 42要求「正在漂移」的WTRU242或一个群组或WTRUs的下行量测信息,逻辑器46激活一WTRU量测需求装置48通过Iur36送出此类信息的信息,即步骤60。
D-RNC 38可能会要求该信息的样本,包括下行通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。更佳的是,D-RNC信息要求信息不能要求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上的信号信息(signaling message)允许任一D-RNC 88开始与位在个别WTRU 5之上、位在WTRU群组上或是在出现于一个或更多单元中的WTRU上的S-RNCs之间交换信息,因此其并不假设其在一S-RNC中的角色。此过程较佳地不是一个简单的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检测到超过一个门槛数或是百分比,例如10%,的WTRU是处于″漂移″模式,其典型地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3GPP标准所定义而存在的信息组件以及标准化的WTRU量测/记录机制被利用。
一较佳信息允许D-RNC 38在一特定时间间隔中对一特定″漂移″WTRU 242,或是对位在一特定单元中的所有″漂移″WTRU,亦或是在特定时间间隔内对与S-RNC 40有关的单元群组来请求量测。当拥有一特定S-RNC的许多WTRU处于″漂移″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)是藉助一第一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″漂移″WTRU群组中的WTRU信息将减少了信息过量。然而,一具有被增大的信息过量(messaging overhead)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。
此信息是藉助漂移中的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53储存特定WTRU的下行通路量测。一WTRU量测响应装置50通过Iur36传送一量测/信息信息至该D-RNC38,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Iur 36来转换这些数据的一个好处是这些数据转换将典型地非常快。
用以请求并转换这些WTRU量测的一个较佳方式使用了无限网络子层应用部分(radio network sublayer application part,RNSAP)程序。RNSAP有四个基本程序单元。这些程序单元之一为″整体程序(Global Procedure)″程序单元。此程序单元包含在RNC间执行单元阶信息交换信息的发送的程序。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共享量测信息而被交换。
使用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,此信息助于最初的信号换手决定。例如,与信号换手至周围RNC的偏差单元有关的信息将助于此种决定。在此被提及的3GPP系统中,使用整体程序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Iur 36来传送WTRU数据的传输。较佳地,信息应通过使用RNSAP程序的Iur 36而传送,假使此种模拟单元信息可获自于S-RNC 40之中或是与D-RNC 38有关的RRM决定之中。
此种通过Iur 36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,并使得更多单元信息能在使用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(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DCA,促进了在无线系统,例如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 (1)
1.一种无线网络控制器,用以控制无线使用者,该无线网络控制器可以一漂移无线网络控制器与以一服务无线网络控制器进行操作,其特征在于该无线网络控制器包含:
一上连量测收集装置,用以收集与该无线网络控制器相连的单元的上连量测;
一逻辑装置,用以决定何时要求漂移该无线收发装置单元的量测;
一无线收发装置单元量测要求装置,耦合至该逻辑装置并且送出一漂移该无线收发装置单元要求量测的信息;
一无线资源管理装置,耦合至该上连量测收集装置与该逻辑装置,用以管理该无线网络控制器的无线资源,该无线资源管理装置接收所收集的上连量测并漂移该无线收发装置单元的量测;
一无线收发装置单元量测收集装置,用以收集该无线收发装置单元的量测;以及
一无线收发装置单元量测响应装置,耦合至该无线收发装置单元量测收集装置,用以将无线收发装置单元所收集的量测送出至另外的该无线网络控制器,以响应接收一无线收发装置单元量测要求信息。
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CN038099152A Expired - Lifetime CN1650647B (zh) | 2002-06-27 | 2003-06-25 | 用户设备量测信息的无线网络控制器点对点交换 |
CNU032729871U Expired - Lifetime CN2669489Y (zh) | 2002-06-27 | 2003-06-27 | 使用者设备量测信息点对点交换的无线网络控制器 |
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CN038099152A Expired - Lifetime CN1650647B (zh) | 2002-06-27 | 2003-06-25 | 用户设备量测信息的无线网络控制器点对点交换 |
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BR0312168A (pt) * | 2002-06-27 | 2005-03-29 | Interdigital Tech Corp | Troca de controlador de rede de rádio de equipamento de informações |
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US7146175B2 (en) * | 2003-04-21 | 2006-12-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink load determination and signaling for admission and congestion control |
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CN101188551B (zh) * | 2007-03-21 | 2010-12-08 | 中兴通讯股份有限公司 | 报告小区对上行高阶调制不支持的方法和装置 |
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