TWM240754U - Base station that improves interoperability of radio network controller and a base station in cellular system with downlink congestion control - Google Patents
Base station that improves interoperability of radio network controller and a base station in cellular system with downlink congestion control Download PDFInfo
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- TWM240754U TWM240754U TW092211459U TW92211459U TWM240754U TW M240754 U TWM240754 U TW M240754U TW 092211459 U TW092211459 U TW 092211459U TW 92211459 U TW92211459 U TW 92211459U TW M240754 U TWM240754 U TW M240754U
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- 230000001413 cellular effect Effects 0.000 title description 4
- 230000005540 biological transmission Effects 0.000 claims description 53
- 238000000034 method Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 230000008520 organization Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1628—List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers, e.g. of sequence numbers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/12—Flow control between communication endpoints using signalling between network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0289—Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Description
M240754 五、創作說明(1) 背景 本創作係關於具有下行壅塞控制之第三代蜂巢系統 (cellular system) 〇 以通用移動電信系統標準(Universal Mobile
Telecommunications System,UMTS)為基礎之第三代蜂巢 系統的结構包括含有射頻網路控制器(radi〇 netwc):rk夺 controllers , RNCs)以及”點以乂“心咄)之射頻網路次系 統(radio network subsystems ,RNSs)。點 Bs 也被稱為基 地台(Base station ,BSs)。UMTS標準使用由國際標準組 織(iso)所發展的層模型(layer m〇del)。此層模型係開放 系統國際(Open Systems Organization ,0SI)七層模型, 其提供交互連接系統之標準發展的共同基礎。 層的特定結構可以依據交互連結之系統而變化。例 如’在射頻網路次系統(RNS)以及一使用者設備(UE)的介 面内(Uu介面)内有三個層。此三個層執行不同的功能,但 ,體控制從一RNS傳輸至一UE之資料(亦即,控制平面)。 第二層’層1,係一實體層,其編碼,交錯以及多工或傳 輸貝料牙過實體頻道,以便從“傳遞資料至一UE。層1處 理可以由BS執行。第二層,層2,係一資料鏈層,其確保 資料士、,當地由實體層傳輸。第三層,層3,係網路層, 其建立並傳輸RNS及UE之上層之間的連接。 為了完成網路對使用者連接(下行,downlink),在 中勺R N C在攸核心網路進入的資料上執行層2及層3的處
M240754 、創作說明(2) 理’並且將稱為「傳輸區塊(tranSp〇rt data)」。資料的 直接區塊導向服務接收該資訊之使用者之BS。此BS執行傳 輸區塊的實體層處理(亦即,編碼,交錯以及多工),之後 是訊號的調變及傳輸。 直接連接至核心網路且執行預定使用者之層2及層3處 理的RNC被稱為是此使用者的服務RNC(serving RNC, SRNC)。此RNC可以和連接至服務使用者之BS的〇(]不同, 其被稱為BS的控制RNC(controlling RNC,CRNC)。當對特 疋使用者之SRNC與CRNC不相同時,此使用者的傳輸區塊由 CRNC傳遞至服務使用者的BS。 一 一般而言,此BS應該處理所有從其CRNC所接收到的傳 輸區塊。然而,其處理功率及傳輸功率的資源是有限制 的,且有時可能發生BS無法處理從CRNC所接收的資料及〆 或傳輸具有足以確保在UE可接受之接收之功率的已調變气 號。此情況稱為BS的壅塞(congesti〇n)事件。當一壅夷事 件發生時,BS可能必須放棄處理從CRNC所接收之一或^ 傳輸區塊。 、—CRNC應該試圖避免在其所控制之BS發生壅塞事件。 然而,在CRNC可以承受任何壅塞解除行動之前’其必須音 ,奎塞事件的發生(或即將發生)。目前,由籠…標準所-杈之使CRNC知道在BS的情況的唯—機制是來自BS的 傳輸功率的報告。 如先前所解釋,BS可藉由放棄從CRNC接收之一或 傳輸區塊以宣告一個壅塞事件。如果一個BS積極地丟棄傳
第5頁 M240754 五、創作說明(3) 輸區塊,或如果此壅塞並非由傳輸功率的缺乏所造成,由 BS回報給CRNC的平均傳輸功率可能不會增加至足以使CRNC 觸散一壅基解除動作的高準位。於此情況中,此CRNC不知 道BS已經丟棄一些由CRNC傳送給Bs的傳輸區塊。因此,此 CRNC可能不會做任何宣告壅塞事件的事情。此外,bs可能 持續丟棄傳輸區塊且此效應只在較高層先發生,例如射頻 :二控制(radl0 link contr〇1,RLC)次層或較高層,依 據RLC杈式而定。這是有問題的,且在服務事件中,甚至 吏RNS實際上損失由某些使用者所經驗的服務品質 有效地宣告壅塞事 系統中RNC及BS之交 因此需要一種方法及系統,能夠 件’藉由改善具有下行壅塞控制蜂巢 互可操作性(interoperability)。 系示合說明 本創作係一種基地台,其 系統中射頻網路控制器與基地 台傳輸資訊至其個別的射頻控 基地台奎塞。 改善具有下行壅塞控制蜂巢 台之交互可操作性。該基地 制為’因此可以有效地管理
網路控制器(RNC)與基 。方法1 0開始於步驟 控制器(CRNC)傳送至BS 先麥照圖一,其表示改善射頻 地台(BS)之交互可操作性之方法1 〇 1 2 ’以BS監視從BS的控制射頻網路
M240754 五、創作說明(4) 之傳輸區塊的處理開始。如所述,傳輸區塊係由CRNC傳送 給BS之為傳遞給特定使用者用之資料區塊。在正常環境 下,BS將適當地處理並傳遞所有從CRNC傳送至BS的傳輸區 塊。然而,經常發生從CRNC傳送至BS的傳輸區塊的數目構 成威脅’導致BS的最大可允許傳輸功率將被超越。當此情 況產生時,此BS可丢棄一或更多傳輸區塊以避免超過其最 大可允許傳輸功率。 現在參照步驟1 4,此方法決定BS是否已丟棄任何傳輸 區塊、。如果BS並未丟棄任何傳輸區塊,此方法進行至步驟 1 2,並持續監視進入之傳輸區塊的處理。相反地,如果μ 已經丟棄至少一傳輸區塊,此方法前進至步驟丨6。 在步驟1 6,被稱為區塊丟棄通知的訊息從BS被傳送至 = CRNC 12,指不BS已經丟棄至少一傳輸區塊。此區塊丟 ”通知知會CRNC 1 2此BS將經驗或已經經驗一壅塞情況, ί ^此,已丟棄至少一傳輸區塊。此BS考慮經驗壅塞事件 芝月況,在BS未能處理並傳輸一傳輸區塊的任何時候。 有數個關於區塊丟棄通知從Bs被傳送至⑶…的方式。 =如’此BS可以週期性地傳送數個丢棄區塊,/亦即 i該t區塊被t棄。或者是,此bs可以基於-臨界值傳 定〇。於5亥杬況中,如果丟棄區塊的數目超過一預先 疋義的臨界值,此BS將通知Γ 仏#田 預先 m ,1 ^ . LKNC。此g品界值可以被設定, 口此在任何1 0 0個接收區塊中 塊丢棄通知給·。免中的10個被去棄時’BS傳輸區 有類似數目的關於在—區塊丢棄通知中所包含的資訊
第7頁 M240754 五、創作說明(5) :其尤ίί,由,斤傳送的區塊丟棄通知可以包 因此,ΙΐΓ專輸頻道以及邊碼合成頻道之資訊’以及 指示有效二輪區塊丢棄之使用者。峨丟棄通知也可 成。 、曰(Sl〇t),如果壅塞是由於缺乏傳輸功率所造 括,為ί f =文丟棄傳輸區塊之傳輸頻道,此通知可以包 隔之;κ又衫響的頻道,關於傳輸區塊被丟棄之時間間 二連Λ框(frme)㈣ 數目,如ΐΐ:;輸區塊的數目,以及被處理區塊的 之傳:’區塊丟棄通知不需要指定已遭受丟棄 SRNC二者^次.匡处理的優先次序,當此資訊已經由CRNC& 不油是相關^ Ϊ的時候。此外,關於時間間隔的資訊可以 ◦至二I環訊號發送延遲太長,當連咖 畜株傳ίf塊丟棄通知至CRNC允許此CRNC實施壅塞解除 此外,CRNC ;均,ί功率報告並未指示壅塞事件的發生。 # m ^ i ^达由BSs傳送之區塊丟棄訊號至服務遭 ”21棄所影響之使用者職NCS。這對一個厦而 关二邻用$貝1^ ’如果被丟棄傳輸區塊包含重要的訊 P二,ζ二 為區塊的丢棄將幾乎確定造成完整訊息的 Γ、首二。L I服務品f控制的情況,因為現在SRNC已經 知道服務品質對某些使用者而言已經下降。 現在參照圖二’其表示一系統5〇 ,,其中提供一區塊丟 M240754 五、創作說明(6) 棄通知以改善RNC與BS之間的交互可操作性 至少一BS 52,至少一CRNC 54以及至少—洗〇C:括 52偵測其將不能適當地處理從CRNC 、 56。當⑽ 塊時,此BS可能必須丟棄至少一傳輸4區傳;"給它的傳輸區 大的可允許傳輸功率。如果實際上二::避$超過其 傳輸區塊’如以上所解釋,其將傳 塊丟! : ^少-
CRNC 54 〇 54 - J I至少一傳輸區塊的通知。這使得(: !丟 實施t塞釋放測量,雖块事實上 此夠如所欲地 沒有指示壅塞事件的發:事 知也由 54傳送至服務遭傳輸區塊丢辛所通 者的SRNCs,如以上所解釋。 茱所〜I之使用 雖然本創作已被詳細解釋,應了解 限於該細節,且在不脫離本 f創作亚不受 義之精神及範圍内能有不所附申晴專利範圍所定 M240754 圖式簡單說明 第一圖係依據本創作一實施例改善射頻網路控制器與 基地台之交互可操作性之方法,其中由基地台傳送一區塊 丟棄通知。 第二圖係依據本創作一實施例改善射頻網路控制器與 基地台之交互可操作性之方系統,其中由基地台傳送一區 塊丟棄通知。 元件符號說明
10 方法 12 、1 4、1 6 步驟 50 系統 52 BS 54 CRNC 56 SRNC 第10頁
Claims (1)
- M240754 六、申請專利範圍 1 一種具下行壅塞控制蜂巢系統中改善無線網路控制器及 基地台之交互可操作性之基地台,該基地台能用以傳送一 區塊丟棄通知至至少一射頻網路控制器。 2如申請專利範圍第1項之基地台,其中該區塊丟棄通知 知會該射頻網路控制器該基地台已丟棄至少一傳輸區塊。 3如申請專利範圍第1項之基地台,其中該區塊丟棄通知 包括,指示那一傳輸頻道及編碼的合成傳輸頻道已遭受至 少一傳輸區塊丟棄的資訊。4 如申請專利範圍第3項之基地台,其中該區塊丟棄通知 更包括,為每一已經遭受至少一傳輸區塊丟棄的傳輸頻 道,傳輸區塊已於其間被丟棄之時間間隔。 5如申請專利範圍第4項之基地台,其中該區塊丟棄通知 更包括,為每一已經遭受至少一傳輸區塊丟棄的傳輸頻 道,於該特定時間間隔期間已經被丟棄之傳輸區塊之數 目。 6 如申請專利範圍第3項之基地台,其中該區塊丟棄通知 更包括,為每一已經遭受至少一傳輸區塊丟棄的傳輸頻 道,被處理之傳輸區塊之數目。第11頁
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US39185102P | 2002-06-26 | 2002-06-26 | |
US10/272,873 US7190673B2 (en) | 2002-06-26 | 2002-10-17 | Method and system that improves interoperability of a radio network controller and a base station in cellular system with downlink congestion control |
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TWM240754U true TWM240754U (en) | 2004-08-11 |
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TW092116477A TWI232686B (en) | 2002-06-26 | 2003-06-17 | Method and system that improves interoperability of a radio network controller and a base station in cellular system with downlink congestion control |
TW092211459U TWM240754U (en) | 2002-06-26 | 2003-06-23 | Base station that improves interoperability of radio network controller and a base station in cellular system with downlink congestion control |
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TW092116477A TWI232686B (en) | 2002-06-26 | 2003-06-17 | Method and system that improves interoperability of a radio network controller and a base station in cellular system with downlink congestion control |
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US (1) | US7190673B2 (zh) |
EP (1) | EP1525487B1 (zh) |
KR (2) | KR200325818Y1 (zh) |
CN (1) | CN2686250Y (zh) |
AR (1) | AR039756A1 (zh) |
AT (1) | ATE352174T1 (zh) |
AU (1) | AU2003280454A1 (zh) |
DE (2) | DE60311264T2 (zh) |
ES (1) | ES2279132T3 (zh) |
HK (2) | HK1061175A2 (zh) |
MY (1) | MY135934A (zh) |
TW (2) | TWI232686B (zh) |
WO (1) | WO2004003579A1 (zh) |
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TWI449378B (zh) * | 2005-07-06 | 2014-08-11 | Samsung Electronics Co Ltd | 通訊系統中網路重進入程序的完成告知的系統及其方法 |
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KR100763581B1 (ko) * | 2006-11-02 | 2007-10-05 | 한국전자통신연구원 | 이동통신 시스템 하향링크 버퍼의 서비스 데이터 유닛 폐기방법 |
CL2008000116A1 (es) * | 2008-01-15 | 2008-03-14 | Univ De Chile 51 Empresa Nac D | Metodo pirometalurgico intensivo continuo de conversion de mata de cobre liquida que comprende alimentar dicha mata dentro del primer reactor de oxidacion, suministrar gases al lecho empacado y fundentes silicios, sangrar la escoria, alimentar metal |
RU2547806C2 (ru) | 2010-06-21 | 2015-04-10 | Селльюла Коммьюникейшнз Эквипмент ЭлЭлСи | Агрегирование несущих с передачей отчетов о запасе по мощности |
KR101472100B1 (ko) * | 2010-12-22 | 2014-12-11 | 주식회사 케이티 | 무선통신 시스템에서 기지국 장비 및 데이터 처리 방법 |
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TWI449378B (zh) * | 2005-07-06 | 2014-08-11 | Samsung Electronics Co Ltd | 通訊系統中網路重進入程序的完成告知的系統及其方法 |
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HK1061175A2 (en) | 2004-08-27 |
DE20309809U1 (de) | 2003-10-23 |
DE60311264T2 (de) | 2007-11-22 |
HK1077635A1 (en) | 2006-02-17 |
ES2279132T3 (es) | 2007-08-16 |
ATE352174T1 (de) | 2007-02-15 |
CN2686250Y (zh) | 2005-03-16 |
EP1525487A1 (en) | 2005-04-27 |
WO2004003579A1 (en) | 2004-01-08 |
KR200325818Y1 (ko) | 2003-09-06 |
EP1525487B1 (en) | 2007-01-17 |
TWI232686B (en) | 2005-05-11 |
KR20040068076A (ko) | 2004-07-30 |
AR039756A1 (es) | 2005-03-09 |
KR100725594B1 (ko) | 2007-06-08 |
EP1525487A4 (en) | 2005-10-26 |
DE60311264D1 (de) | 2007-03-08 |
US7190673B2 (en) | 2007-03-13 |
US20040001436A1 (en) | 2004-01-01 |
MY135934A (en) | 2008-07-31 |
TW200402996A (en) | 2004-02-16 |
AU2003280454A1 (en) | 2004-01-19 |
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