TWI333340B - Radio network controller peer-to peer exchange of user equipment measurement information - Google Patents

Radio network controller peer-to peer exchange of user equipment measurement information Download PDF

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Publication number
TWI333340B
TWI333340B TW093105613A TW93105613A TWI333340B TW I333340 B TWI333340 B TW I333340B TW 093105613 A TW093105613 A TW 093105613A TW 93105613 A TW93105613 A TW 93105613A TW I333340 B TWI333340 B TW I333340B
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rnc
wtru
message
measurement
network controller
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TW093105613A
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TW200501630A (en
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Rudolf Marian
Akbar Rahman Shamim
M Miller James
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Interdigital Tech Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/12Reselecting a serving backbone network switching or routing node
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • H04B17/327Received signal code power [RSCP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/345Interference values
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12Access point controller devices
    • 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
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Description

1333340 六、發明說明: 【發明所屬之技術領域】 /本發明疋有關無線通訊系統。特別是,本發明是有關此類 系統中無線網路控制器間之資訊傳送。 ' 【先前技術】 第一圖顯示一無線通訊系統,此系統中所有的使用者皆_ ,一無線網路控制器(RNC)2〇來管理。每個使用者,即無線^ 送/接收,元(WTRU)24,與節點-B 221(Node_B 221)進行無線 · 通訊。節點-Bs221-222群組係由無線網路控制器(rnC)2〇所 控制。 當WTRU 24移動時,WTRU241、242在基地台與節點_Bs 32、34之間進行交接機制。第二圖係顯示一 WTRU24卜淡 從第一 RNC 28管理的區域移動到第二rnc 26所管理的區 . 域。yRU242被認定已經”偏移至新的j^c區域,該 ⑽以第二個奶0)就被視為是偏移RNC(D-RNC) 26 〇 D-RNC 26具有並控制-節點_Bs 32,第一腿^則被視為服務無線網 路控制器(S-RNC) 28。傳統的 RNCs(S-RNC 28 和 D-RNC 26) · ,可透過RNC介面(Iur)互相進行一些資訊的通訊,在WTRU 242 偏移至D-RNC 26後,D-RNC 26會替"正在偏移,,的WTRU 242執行一些功能’例如動態通道分配(DCA)、進入許可控制、 排程以及RRM功能’S-RNC 28仍然會為”正在偏移”的WTRU 242執行其他功能’例如換手機制的判斷以及wtru下行通 路量測資訊的收集。當WTRU24不偏移時,例如第一圖所示, RNC 20管理WTRU24執行δ_·28和D姻⑽的功能。 在第二代無線技術統合計劃(3(jpp)的R99、R4及R5的規 格下,當WTRU24卜242從S-RNC 28交遞至D-RNC 26時, 胞兀開始裝載且許多節點_B量測資訊會從s-rnc 28發送至 3 1333340 Π-RNC 26。然而,並沒有一個機制能從s_rnc 28傳送可信的 資訊至D-RNC 26,例如WTRXJ量測資訊。 因此’在RNC之間能有更佳的點對點通訊是一件令人渴望 的事。 【發明内容】 一種偏移無線傳送/接收單元(WTRU)具有一相連的偏移無 線網路控制器(D-RNC)與一相連的服務無線網路控制器 (S_RNC)。偏移無線網路控制器(D-RNC)發送一要求信息至服 鲁 務無線網路控制器(S-RNC)要求偏移WTRU的量測資訊, S-RNC接收此要求信息並發送一被要求的量測資訊信息至 D-RNC,此D-RNC接收此資訊信息。 【實施方式】 雖然較佳實施例是以第三代無線技術統合計劃(3Gpp)之 寬頻分碼多重存取(W-CDMA)規格來描述,但實施例亦應用在 其他無線通訊系統。 未來,種無線傳送/接收單元(WTRU)包含但不限制在鲁 使用者裝置、行動基地台、固接或移動用戶單位、呼叫器、或 能於無線環境下操作的任何其他形式裝置。 第三圖是-”正在偏移”的WTRU 242在使用點對點資訊 父換時’- S-RNC 40、- D-rnc 38及一服36的簡易方塊 、流程圖。第四圖是點斜赴咨七j六4么&抑r,
242執行功能, 程以及RRM等功能。 丨功月b,D-RNC 38則為"正在偏移"的WTRU 例如動態通道分配(DCA)、進入許可控制、排 4 D-RNC 38 具有一 RRM 42 ’ RRM 42 為與 D七% 連之胞元之WTRUs管理資源,D_RNC %替"正在偏移 WTRU242之胞元以及其他利用上行量測收集裝置的胞元 收集上行通路量測資訊’這些量測資訊在_ 42可用來作2 資源配置和管理之用途,RRM 42也具有可讓WTRUs執二 S-RNC功能的資訊。 订 D-RNC 38已與RRM 42邏輯連結,當42要求"正 在偏移”的WTRU242或一個群組或WTRUs之下行量測資 訊,邏輯46啟動一 WTRU量測需求裝置48透過Iur36發^ —訊息,即步驟60。 D-RNC 38可能會要求該資訊的樣本,包括下行通路公共 控制物理信道(CCPCH)接收信號編碼功率(RSCP)、干擾信號^ 碼功率(ISCP)量測及/或流量量測。較佳地,D-RNC資訊要求 k息不能要求WTRU242執行或送出量測,但D-RNC 38要求 此類的量測資訊可即時被S-RNC 40所利用。 在Iru 36上的信號訊息(signaling message)允許任一 D-RNC 88啟動與位在個別WTRU上、位在WTRU群組上或 是在出現於一個或更多胞元中的WTRU上的S-RNCs之資訊 交換,因此其並不假設其在一 S-RNC中的角色。此過程較佳 地並不是一個簡單的WTRU特有資訊之’'轉遞(forwarding)’', 例如WTRU量測。較佳地,該邏輯46通常對於所需的資訊型 態做決定,縱使邏輯46可能藉控制RNC(C-RNC)來表現。一 位於D-RNC 38中的邏輯46係決定是否以及何時其將需要量 測以便自該S-RNC 40而被發送。例如,假使D-RNC 38偵測 到超過一個門檻數或是百分比,例如1〇%,的WTRU是處於” 偏移’’模式,其典型地將會開始要求量測以便被發送。在一較 佳貫施中’由節點B介面(Iub/Iur)之第三代無線技術統合計劃 (3GPP)標準較義贿在的資就件以及鮮化的WTRU量 測/紀錄機制係被利用。 一較佳信息允許D-RNC 38在一特定時間間隔中對一特 定"偏移"WTRU 242 ’或是對位在一特定胞元中的所有”偏移 ’’WTRU ’亦或是在特定時間間隔内對與剛。4〇有關的胞元 群組來請求量測。當擁有一特定S-RNC的許多WTRU處於” 偏移梹式時’一種請求…丁^^群組資訊的通信定義表是被渴 望的。例如,一第一列車站(train station)係藉一第一 所支 樓而一第二列車_是藉—第二RNC所支禮。搭上開始於該 第一列車站而正離開該第二列車站之列車的所有WTRU可能 具有該第一 RNC,例如S-rnc 40,以及該第二rnc,例如 D-RNC 38。在此通信定義表中,要求"偏移"WTRU群組中的 WTRU資訊將減少了信息過量。然而,一具有被增大之信息 過量(messaging overhead)的通信定義表,此過程在該處將僅允 許每個WTRU之一單獨WTRU能被使用。 此訊息係被正在偏移的WTRU S-RNC 40所接收,步驟 62。該S-RNC 40具有一 WTRU量測收集裝置52。此WTRU 里測收集裝置53儲存特定WTRU的下行通路量測。一 WTRU 量測回應裝置50透過Iur36發送一量測/資訊訊息至 D-RNC38 ’步驟64。D-RNC RRM 42使用這些量測在它的資 源分配與管理中,步驟66。透過lur 36來轉換這些資料的一 個好處是這些資料轉換將典型地非常快。 用以請求並轉換這些WTRU量測的一個較佳方式使用了 無線網路子層應用部分(radio network sublayer application Part’ RNSAP)程序。無線網路子層應用部分(RNSAp)有四個基 1333340 本程式單元。這些程式單元之一為”整體程序(Gi〇bai
Procedure)"程式單元。此程式單元包含在咖㈤執行胞元階 貝訊父換訊息之發送的程序。例如,接收到的總寬頻功率載 入與全球定㈣統(GPS)時序資訊係藉使用―共用量測訊息 而被交換。 使用無線網路子層應用部分(RNSAp)整體程序而交換的 資訊表單係被擴至允許較佳$ RRjyf。特別地,此資訊有助於 最初之訊號換手決定。例如,與換手至周圍J^C的偏差胞元 有關的資訊將助於此種決定。在此被提及的第三代無線技術統 合計劃(3GPP)系統中’使用整體程序程式單元而交換的資訊與 一特定WTRU或是WTRU群組並無關連。因此,其並不支持 透過Iur 36來傳送WTRU資料的傳輸。較佳地,資訊應透過 使用無線網路子層應用部分(RNSAP)程序之Iur 36而傳送,假 使此種類比胞元資訊可獲自於S-RNC 40之中或是與d—j^c 38有關的RRM決定之中。 此種透過Iur 36之資訊交換係使得一 d_RNC 38可自該 S-RNC 40中請求WTRU量測資訊,並使得更多胞元資訊能在 使用無線網路子層應用部分(RN SAP)整體程序組件單元的點 RNC之間被交換。典型地,這些資訊的交換增大了在d—rnc 38中的RRM演算法(動態通道分配(DCA),容許控制 (Admission Control),服務排程以及其他)之表現,其係由 於WTRU量測的可利用性。增大的rrm ’特別是動態通道分 配(DCA) ’促進了在無線系統,例如第三代無線技術統合計劃 (3GPP)之分時雙重劃分(time division duplex,TDD)模式,中之 表現、效率以及堅實(robustness)。 1333340 【圖式簡單說明】 第一圖:顯示一無線網路控制器(RNC)操作一無線傳送/接收單 元(WTRU)。 第二圖:顯示在無線網路控制器(RNCs)之間的一無線傳送/ 接收單元(WTRU)偏移。 第三圖:顯示在一較佳實施例中,點對點的資訊交換之方 塊圖。 第四圖:顯示在一較佳實施例中,點對點的資訊交換之流 程圖。 【主要元件符號說明】 221,22N, 32, 34 42 44 46 48 50 52 B節點 無線資源管理 上行通路量測收集裝置 邏輯 測要求裝置 WTRU量測回應裝置 WTRU通路量測收集裝置

Claims (1)

1333340 七、申請專利範圍: 1. 一種用於一偏移無線網路控制器(D_RNC)以收集一無線傳送/接 收單元(WTRU)之資訊之方法,該方法包含: 該D-RNC決定該WTRU之至少一所欲之量測; 該D-RNC發送一第一訊息至一服務無線網路控制器 (S-RNC) ’該第一訊息係指示該至少一所欲之量測;以及 該D-RNC自該S-RNC接收一第二訊息以回應該第一訊息之接 收,該第二訊息具有該至少一所欲之量測。 2. 如申請專利範圍第1項之方法,其中該至少一所欲之量測係一 下鏈路公用控制實體通道(CCPCH)所接收的信號碼功率(RSCP)。 3. 如申請專利範圍第1項之方法’其中該至少一所欲之量測係一 干擾信號碼功率(ISCP)量測。 4. 一種偏移無線網路控制器(d_rNC),其包含: 一用以決定一無線傳送/接收單元(WTRU)之至少一所欲 之量測的裝置; 一用以發送一第一訊息至該服務無線網路控制器(S-RNC) 的裝置,其中該第一訊息係指示該至少一所欲之量測;以及 一用以自該S-RNC接收·一第二訊息以回應該第一訊息之 裝置’該第二訊息包括該至少一所欲之量測。 5.如申請專利範圍第4項之D-RNC,其中該至少一所欲之量測係一 下鏈路公用控制實體通道(CCPCH)所接收的信號碼功率(RSCP)。 1333340 6.如申請專利範圍第4項之D-RNC,其中該至少一所欲之量測係一 干擾信號碼功率(ISCP)量測。
TW093105613A 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information TWI333340B (en)

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TW092211707U TW579163U (en) 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information
TW093105613A TWI333340B (en) 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information
TW092117499A TWI239783B (en) 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information
TW095123036A TWI334704B (en) 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information
TW098138173A TWI432050B (zh) 2002-06-27 2003-06-26 用以控制無線使用者之無線網路控制器
TW104116571A TW201608912A (zh) 2002-06-27 2003-06-26 使佣者設備量測資訊之無線網路控制器點對點之交換
TW102115549A TWI507058B (zh) 2002-06-27 2003-06-26 使用者設備量測資訊之無線網路控制器點對點之交換

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TW092117499A TWI239783B (en) 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information
TW095123036A TWI334704B (en) 2002-06-27 2003-06-26 Radio network controller peer-to peer exchange of user equipment measurement information
TW098138173A TWI432050B (zh) 2002-06-27 2003-06-26 用以控制無線使用者之無線網路控制器
TW104116571A TW201608912A (zh) 2002-06-27 2003-06-26 使佣者設備量測資訊之無線網路控制器點對點之交換
TW102115549A TWI507058B (zh) 2002-06-27 2003-06-26 使用者設備量測資訊之無線網路控制器點對點之交換

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US (2) US8045987B2 (zh)
EP (1) EP1527617A4 (zh)
JP (5) JP4150719B2 (zh)
KR (9) KR101161935B1 (zh)
CN (4) CN1650647B (zh)
AR (1) AR040289A1 (zh)
AU (1) AU2003245666B2 (zh)
BR (1) BR0312168A (zh)
CA (1) CA2483059C (zh)
DE (1) DE20309950U1 (zh)
GE (2) GEP20063988B (zh)
HK (2) HK1061177A2 (zh)
IL (3) IL164656A (zh)
MX (1) MXPA04011375A (zh)
MY (1) MY137116A (zh)
NO (1) NO331922B1 (zh)
SG (1) SG155044A1 (zh)
TW (7) TW579163U (zh)
WO (1) WO2004004306A2 (zh)

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