TWI351833B - Method and apparatus for storing mobile station p - Google Patents

Method and apparatus for storing mobile station p Download PDF

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Publication number
TWI351833B
TWI351833B TW094101360A TW94101360A TWI351833B TW I351833 B TWI351833 B TW I351833B TW 094101360 A TW094101360 A TW 094101360A TW 94101360 A TW94101360 A TW 94101360A TW I351833 B TWI351833 B TW I351833B
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Taiwan
Prior art keywords
measurement
parameter
management entity
wtru
message
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TW094101360A
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TW200614830A (en
Inventor
Rudolf Marian
G Dick Stephen
Joanne Hunkeler Teresa
Akbar Rahman Shamim
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Interdigital Tech Corp
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/02—Standardisation; Integration
    • H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04—Network management architectures or arrangements
    • H04L41/042—Network management architectures or arrangements comprising distributed management centres cooperatively managing the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • 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]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Description

1351833 - 送以及重新取回是支援減輕干擾及RRM的關鍵參數。然而，這些 • 實體測量或MAC性能統計並未從Ll PHY或L2 MAC協定實體被傳 送至做為外部WLANRRM實體之介面使用之SME。此SME通常包 括進入MIBS中讀/寫的介面軟體。例如，在接收來自簡單網路管理 協定(SNMP)之指令時’一特定廳實體的讀取被回報至該SNMp。
目前’ WLANs通常在比需要高許多的功率準位上傳輸。以 TPC ’此傳輸功率可被調整至最小的準位而依然保證所需的信號接 收，但不產生比所需的干擾更多的干擾給其他的WTRUs。也可能 執行$效的負載控制以及BSS範圍調整。範圍調整，負載平衡，以 及一，大胞元半徑係由AP的傳輸功率以及WTRU的接收器敏感度 % 所決定。如果傳輸的功率未受到適當的控制，在胞元邊緣的WTRU 遺失對AP的連結且將被強迫與鄰近的Aps重新關聯。因此，功率 控制使得有效率的負載控制及範圍調整為可能。 【發明内容】 ^發明係一種於一 WTRU與一 AP之間轉移TPC資訊用之無線 通信系統及方法。此八？包括一第一管理實體以及一第二管理實 體。此WTRU包括一第三管理實體^ ^中的第一管理實體決定是 否要使用WTRU的傳輸功轉位。第―管理實麟輸—第一訊息 要求TPC至AP +的第二管理實體，如果此第一管理實體決定使用 •此WTRU之傳輸功率準位。第二管理實體可傳輸-訊息至第-管 理實體確認第一訊息的接收。 β处中2第二管理實體傳輸一第二訊息至WTRU要求此WTRU 提貝訊至該AP。回應此WTRU接收此第二訊息，资奶中 的第二官理實體執行一個或更多實體測量以決定一或更多Tpc參 數°第二官理實體隨後傳輸-第三訊息至該AP，該第三訊息包括 與實體測罝之結果相關的要求的資訊。 旦由第二官理實體執行的測量可包括一 wm^輸功率準位測 里鍵、，0邊際測罝’一暢通頻道評估(clear channel assessment， CCA)，头，° 號對雜訊比指示(signal-to-noise indication，PSNI) 7 1351833
第一管理實體150可以是SME。第二管理實體可以是 第四管理實體170可以是SME。 參照圖1A ’位於NME 120中之RRM控制益(未示出)經由網路 125及DS115與APs 110通信。APs 110和WTRUs 105無線通信。 NME 120傳送訊息至APs 110以改變AP BSS中的气可續，準位,，藉 由較高層(第二層或更高)管理協定，例如SNMP或V延^標!2；^·^ (XML) °NME 120寫入可允許的最大及最小值至AP 11〇的Mm 160 中。 在AP 100中實施一個程序，用以經常性地讀取ap no之MEB 160中的實體以及使用服務原語以傳送並接收mac訊號發送訊
框。此MAC訊號發送訊框，例如BEACON或TPC REQUEST， MEASUREMENT REQUEST或類似者，與胞元中所有的WTRU 105通信。 當AP 110接收來自WTRU 105的訊號發送訊框時(例如tpc REPORTS ’ MEASUREMENT REPORTS ’ 或類似者），AP 110取 得被報告的測量並使用服務原語以將性能測量寫入AP 1丨〇之_ 160之中。NME 120隨後經由管理協定讀取這些_實體以獲得目 前的系統性能。NME 120控制WTRU 105的傳輸功率準位。
此MIB可以是MAC MIB或PHY MB。MAC MIB通常是比較 適合的’因為左纽俭的EBM翠元在MAC準位上運作丄其具_有極快 赴回應。ΜΙΒ表中的實體應該被包括在每—WTRU表中，這是比較 建議使用的，或在整體統計表中。藉由將這些實體資料儲存在AP 110之MIB中而使它們可為外部實體所用，可以維持低的干擾準 位，產生較高的系統容量。 第2圖表示依據本發明支援wxRU奶與^^ 11〇之間的通信以 獲得TPC資料之流程。一旦—個^ ι1〇決定從目標ψτκυΐ05獲得 TPC資料時，ΑΡ 110傳輸一個^^要求訊框2〇5至目標WTRU 105。回應TPC要求訊框205，WTRU 105執行一個或更多要求的實 體測量並傳輸一個TPC報告訊框21〇至ΑΡ 110。ΑΡ 110隨後儲存此 9

Claims (1)

  1. 奶 1833 j , …年正替換?； 十、申請專利範園： 〜—'~ 1.—種於一無線傳輸/接收單元(WTRU)中使用以交換一測量 之方法’該方法包括： 將來自一第一管理實體的一第一訊息傳遞至—第二管 理實體，其令，該第一管理實體與該第二管理實體位於該 WTRU 中； ' 傳遞來自第二管理實體的一測量要求，以回應該第一訊 息，該測量要求包含針對一參數的一測量的一要求； 在該第二管理實體接收一測量報告，其中，該測量報告 包含該參數的該要求的測量·；以及 將該參數的該要求的測量儲存於該第一管理 管理資訊庫(MIB)中。 一’ 2.如申請專利範圍第1項所述的方法，更包括： 從該第二管理實體傳遞一第二訊息至該第—管 以確認該第一訊息的接收。 ’其中該測量報告包含該 其中該測量報告包含該 3.如申請專利範圍第1項所述的方法 要求的測量的一絕對值。 4.如申請專利範圍第1項所述的方法 要求的測量的一統計平均。 其中該測量報告包含一 其中該參數包含一信號 其中該參數包含一接收 5.如申請專利範圍第1項所述的方法， 段時間中該參數的一長條圖值。 6.如申請專利範圍第1項所述的方法， 對雜訊比指標。 7·如申請專利範圍第1項所述的方法 頻道功率指標(RCPI)。 13 1-^31833 7請專利範圍第1項所述的方法，她ϋ鏈結 申明專利範圍第】項所述的方 頻道評估㈣小部份。-中縣數“ ~通 項物奴，其巾_測量的該 疋針對該參數的-被儲相#的一要求。 .如=專纖㈣丨獅述的枝，其情賴測量的該 女I疋執行該參數的一新測量的一要求。 12·如申請專利範圍第1項所述的方法，更包括： 13. 將該測量報告傳遞至該第一管理實體。 -種無線傳輸/接收單元(WTRU)，包括： 第一管理實體’被配置以傳遞一第一訊息； 一第二管理實體，被配置以： 接收該傳遞的第一訊息； 傳輸一測量要求以回應該第一訊息，該測量要求包 含針對一參數的一測量的一要求，以及 接收來自一存取點(AP)的一測量報告，其中該測量 報告包含該參數的該被要求的測量， 其中，該第一管理實體包含一管理資訊庫，該管理資訊 庫被配置以儲存該參數的該被要求的測量。 K如申請專利範圍第13項所述的WTRU，其中該第二管理實 體更被配置以： 伙該第一管理實體傳遞·一第二訊息至該第一管理實體 以確适該第一訊息的接收。 15.如申請專利範圍第13項所述的WTRU，其中該測量報告包 14 1351833 100. 8. 12 ' \ - / - 含該被要求的測量的一絕對值。 16. 如申請專利範圍第13項所述的WTRU’其中該測量報告包 含該被要求的測量的一統計平均。 17. 如申請專利範圍第13項所述的WTRU，其中該測量報告包 含一段時間中該參數的一長條圖值。 18. 如申請專利範圍第13項所述的WTRU，其中該參數包含一 信號對雜訊比指標。 19·如申請專利範圍第13項所述的WTRU，其中該參數包含一 接收頻道功率指標(RCPI)。 2〇.如申請專利範圍第13項所述的WTRU,其中該參數包含一 鍵結測量。 21·如申請專利範圍第13項所述的WTRU，其中該參數白人一 暢通頻道評估(CCA)忙綠小部分。 匕3一 22.如申請專利範圍第13項所述的WTRU，其中針對該測量的 該要求是針對該參數的一被儲存測量的一要求。 里、 23·^^專觀㈣13項所㈣W·，其巾針對該測量的 該要求是執行該參數的一新測量的一要求。 24·如申請專利範圍第13項所述的WTRU，其中該帛二管理♦ 體更配置以傳遞該測量報告至該第—管理實體。 Λ 15
TW094101360A 2003-07-16 2004-07-15 Method and apparatus for storing mobile station p TWI351833B (en)

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TW096125909A TWI357239B (en) 2003-07-16 2004-07-15 Method and system for transferring transmit power
TW093211207U TWM260941U (en) 2003-07-16 2004-07-15 Apparatus for transferring transmit power control information between network management entities in a wireless communication system
TW093121225A TWI275282B (en) 2003-07-16 2004-07-15 Method and system for transferring transmit power control information between network management entities in a wireless communication system
TW094101360A TWI351833B (en) 2003-07-16 2004-07-15 Method and apparatus for storing mobile station p

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TW096125909A TWI357239B (en) 2003-07-16 2004-07-15 Method and system for transferring transmit power
TW093211207U TWM260941U (en) 2003-07-16 2004-07-15 Apparatus for transferring transmit power control information between network management entities in a wireless communication system
TW093121225A TWI275282B (en) 2003-07-16 2004-07-15 Method and system for transferring transmit power control information between network management entities in a wireless communication system

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US (5) US6958982B2 (zh)
EP (1) EP1649702B1 (zh)
JP (3) JP2007532027A (zh)
KR (6) KR101121272B1 (zh)
CN (4) CN1820516B (zh)
AR (1) AR047554A1 (zh)
AT (1) ATE472239T1 (zh)
AU (2) AU2004301616B2 (zh)
BR (1) BRPI0412058A (zh)
CA (1) CA2532645C (zh)
DE (2) DE602004027812D1 (zh)
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