TWI241856B - Wireless base station using code power measurements - Google Patents

Wireless base station using code power measurements Download PDF

Info

Publication number
TWI241856B
TWI241856B TW092127533A TW92127533A TWI241856B TW I241856 B TWI241856 B TW I241856B TW 092127533 A TW092127533 A TW 092127533A TW 92127533 A TW92127533 A TW 92127533A TW I241856 B TWI241856 B TW I241856B
Authority
TW
Taiwan
Prior art keywords
code
base station
interference
time slot
unit
Prior art date
Application number
TW092127533A
Other languages
English (en)
Other versions
TW200425760A (en
Inventor
Jung-Lin Pan
Ariela Zeira
Original Assignee
Interdigital Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200425760A publication Critical patent/TW200425760A/zh
Application granted granted Critical
Publication of TWI241856B publication Critical patent/TWI241856B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/7103Interference-related aspects the interference being multiple access interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2618Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • 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
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0212Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0212Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0219Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave where the power saving management affects multiple terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0466Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code
    • 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
    • H04W72/541Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/04Scheduled access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097Direct sequence modulation interference
    • H04B2201/709709Methods of preventing interference
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Bidirectional Digital Transmission (AREA)

Description

1241856 五、發明說明(1) a本申請案主張2000年7月10曰 案 第60/21 7, 093號之優先權。 甲明之g品時專利申請 發明所屬之技術領域 本發明大體上關於在使用 夕 時雙工通訊系統中的資源分配。|二重f取之無線擴頻分 在這種系統中指派時槽及碼。尺特別地,本發明係關於 先前技術 第一圖係描述使用分碼多 分時雙工(TDD) ^夕/存取(CDMA)之一無線擴頰 2 〇7 Λ 一 i Γ ^ Γ糸統。該系統具有複數個基地台2 0,至 設備' 1係在其操作區域或單元中與用戶終端 ^為下絲ϋ1 -223通訊。自基地台2〇1傳送至UE221之通訊稱 ^ 了鏈通訊且自UE22i傳送至基地台2〇1之通訊稱之為上 從=δΚ。除了在不同頻譜上通訊以外,擴頻TDD/CDMA系統 雜相同頻譜上執行多重通訊。該多重信號係以其各別的 瑪區別之。 由於使用一特殊碼送出之一信號可與相同頻譜中之信 2區別’因此每一碼可在該頻譜内產生一虚擬通訊頻道。 二了用於區別源自不同單元之信號,每一基地台2〇1至2〇7 二具ΐ Γ指派之加擾碼C*scramb。為了在這種系統中傳送一特 &之資料信號’該資料係與其基地台之加擾碼匕…心混合 且使用其指派之頻道碼展頻之。 亦’為了更有效率地使用擴頻,TDD/CDMA系統使用如
1241856
中之重複巾貞26且該重複幢係分割成譬如十五個 之=數個時槽至24„。在這種系統中,一通訊係 之日守槽241至24„中使用選定之碼而送出。緣是,一 夠執行藉時槽241至2七及碼區別之多重通訊。使用 因數為十六時,在一單一頻譜下之單一時槽中之一 ^係稱^為一資源單元。倘若使用一較低之展頻因 使用一單一槽中之一單一碼者將視為超過一單一資 。為便於顯示,對於一時槽中之一碼使用一展頻因 者係十六個資源單元。 第二圖 時槽等 在選定 幀2 6能 一展頻 單一碼 數,則 源單元 數為一
第三圖之矩陣28中顯示使用N個時槽、S1至SN,Μ個頻 ^碼、碼1至碼Μ,及〇個頻譜、頻率!至頻率〇。矩陣28中 Ϊί的單元格子皆代表一單一資源單元(倘若使用一展 , 為十六者)。該矩陣2 8具有總共Μ X Ν X 0個資源單元 一 2型TDD系統使用1 5個時槽、1 6個頻道碼及一個或多重 頻_。根據支持一通訊所需之頻寬,將指派一個或多重 源單元給予該通訊。 、 這種系統之一問題在於指派資源單元時將出現無線電 干擾。無線電干擾之成因相當多,譬如因接近無線電頻率
Ϊ及,在相鄰單元中傳送之信號所造成之交叉干擾。在一 貝源單7〇上以一高干擾水準送出一通訊時可能造成信號 料遺失。 内容 種處理該問題之技術係在指派資源單元給予一通訊
第6頁 1241856 五、發明說明(3) 之前瞬間測量每一 擾水準之時槽中的 可降低信號資料遺 受干擾水準之所有 干擾水準需要使用 一種用於指派資源 複數個資源單 雙工通訊系統之一 及一碼有關。對於 單元之時槽期間及 率水準與一臨界值 碼干擾水準。由具 數個該單元而通訊 時槽中之 資源單元 失之可能 資源單元 貴重系統 單元之方 元係在使 單元内指 選定之該 使用該單 比較以決 有可接受 之0 干擾水 指派給 性,但 。此外 資源之 法。 用分碼 派。每 等單元 元之碼 定該單 干擾水 準。僅將 予该通訊 無法排除 ’在指派 廣泛監測 多重存取 一資源單 的資源單 的碼干擾 元是否具 準之資源 具有可接受干 。儘管該技術 承受了不可接 之前瞬間測量 。緣是,亟需 之一無線分時 元係與一時槽 元’測量該等 水準。該碼功 有一可接受之 單元中指派複 實施方式 卜第四圖係用於實施慢速及快速動態頻道分配(DCA) — 簡化的基地台2〇1及邶221。第五圖係慢速DCA之一流程圖。 以下將結合第六圖之優先矩陣92來說明第五圖中之流程 圖。第六圖係一優先矩陣9 2之一圖示,且該矩陣係由在具 ^ 16個頻道碼、15個時槽及一頻率之一TDD/CDMA系統中之 慢速DCA產生。矩陣92之每一單元格子皆代表240個可能 的資源單元其中之一。 初始時’在步驟中、藉鏈增益(Hnk gain),譬如 藉由干擾信號碼功率(ISCP)或決定單元間干擾等來測量每 第7頁 1241856 五、發明說明(4) 一時槽中之無線電頻率功率干擾水準。可使用接收到之通 訊短脈衝串(burst)的中間碼來測量isCP,但亦可使用其 他ISCP量測技術。可於基地台20】、[JE22!至22,兩者中任一 或該兩者處測量每一時槽之干擾。對於在基地台2〇1處取得 之時槽干擾量測而言,該基地台之天線3〇將接收各種不同 無線電頻率之信號。接收到之信號將通過一單向器32而到 達一解調器36以生成一基頻帶信號。一時槽干擾量測裝置 52係處理該基頻帶信號,以藉由譬如lscp等來之 每一時槽241至24„内的干擾水準。 貞之 對於自1^221至22„取得之時槽干擾量測而言,UE之天 線60將接收各種不同無線電頻率之信號。接收到之信號將 通過一單向器或開關62而到達一解調器64以生成一基頻帶 ϊ ΐ…時槽干擾量測裝置8G係處理該基頻帶信號,以藉 ί :T=CP等來測量每一時槽24丨至24n内之干擾水準。在 =一UE221至22„取得之時槽量測通常係發信號至基地台 至1二ί擇為’該等量測可與藉資料產生器77生成而送 至基地^2 0!之上鏈資料多工。 +播til2中’基地台2Qi處之—比較㈣係、將每—時槽之 量測7,則:車;=較。倘若僅基地台201實施時槽干擾 量測,則“器= 量:僅使臟 2槽= ⑽之量測,則使用每 UE“ =及且賦予基地台者較高權值。倘若 及基地σ夏測明顯不同,則每一個皆使用其 1241856 五、發明說明(5) __ 本身之量測以決定時槽之可利用性。, 步驟84中,倘若一時槽之干擾水準超過誃】::施平均 所有關於該時槽可能指派給予口界值’則消除 ^派裝置58將消除儲存於優先矩陣92中:=:資源單元 :源單元。第六圖中顯示者係時槽一有已上除之時槽 擾水準。在時槽4之列中的所有資 $可接受之干 指示已消除之可能指派。此外,貝/他早時t標示-「X」以 為一廣播頻道等其他目的而保留,以至f為了譬如作 地標示「X」。 ;而消除並且相同 在步驟86中,測量具有可接受 —資源單元之碼功率干擾水準。之時槽中的每 50、UE碼功率干擾量測裝置68或==干擾量測裝置 得碼功率量測。在_〇1處取得 在處取 一同發信號或多工。 手里/則可與上鏈資料 第七圖係描述一可能之碼功率旦 碼功率量測裝置50、68係在用於傳送吾二:③置50、68。 頻譜上動作。代表已接收到 σ 關注之碼的一 =量測裝置中。輸入信號輸… 頻率或一基頻帶信號❶一碼相關Γ…、、·電.頻率、一中間 使該輸人信號與該吾人所關 a”〇n)裝置96係 為-去展頻器、一相關器或。碼相關裳可 關注之碼係一複數碼,則 ,濾波器。倘若該吾人所 成相關。功率量測裝置9係;目二執行-複數乘法以達 -複數碼,則該累加之和以;?部之功率。倘若使用 保4由累加該等複數部之量值而
$ 9頁 1241856
得。最終之和即為該吾人所關注之碼的 功率量測係於每一待測量之時槽期間内率100。該碼 功率指標成為一簡略數值,譬如第六圖 。可,測得之 「1 〇 i 。 τ所示之「1」至 在比較器54處,將每一未消除之資 比較。倘若僅基地台2Gl實施碼干擾量測原臨界值 ^之平均與該臨界值。倘若使用以2:5=較 至22n之1測,則使用一加權平均。通常賦 」a -較高權值。另一選擇為,該干擾量測可特“ 口 =測 22n。此外,倘若UE量測、或UE及基地台測1 每-個皆使用其本身之量測。比較每里:貝?顯不同’則 至A之胃源指派中的一臨界值。二二2用於UE22l 叫至22„具有其本身之優先矩陣^^為特殊者,則每- 若一資源單元之碼干擾水準高於臨界值,則+ _ 中將消除指派該資源單元。資源單 ^ 先矩陣92中之該資源單元。;Π二除優 矩陣92中標示一 rx」。步驟9〇中,資姑 亦儲存該等可接受資源單元、’、 扣派裝置58 陣⑽中。如優先矩;/2;;;碼:匕;的於優先矩 干,及「…具有一極低=干=度之可接受碼 基地台之資源單元裝置58係送出信號至基地台之資料
1241856 五、發明說明(7) 估計裝置48、頻道估計裝置46、以及展頻及連串序列插入 (署inSerti〇n)裝置42丨至42n來控制每一 f 頻道估計裝置46及資料估計裝置 :样及=气及基地台之加擾碼。指派之 =源單元指派裝置58送至頻道估計裝置46及 道估計裝置46通常使用基頻帶信號中 串序列刀里以提供譬如脈衝反應等頻道資訊。 ^裝置48使用該頻道資訊來估計接收到之短脈 中才的 舅料。 τ | pu 譬如通過一業務頻道(traffic channel)而送至 資^由資料產生器H至44n產生。胃資料係根據 ^单το,、派裝置58之通訊頻寬需*而指派一個或多重^ /資::其Ϊ :展頻及連串序列插入裝置421至42n係混合該 料與適當時槽及指派資源單元之碼中的一連串吏序展二參: 2衝:等ί ? i連串序列插入裝置之輸出係稱為-通訊短 =由ϊ 對應之放大器4〇1至規放大每-通訊 串二*盆3 一累加裝置38累加每-個放大之通訊短脈衝 衝;ί由其他裝置產生之通訊短脈衝串。累加之通訊短脈 衝串藉由一碉制器34調制,調制後之信號通過一單 =由圖示之一天線30、或另一選擇為藉由一天線陣列而 U:22二輕射出之信號將通過一無線射頻界面79而到達 1241856 五、發明說明(8) 该基地台之資源單元指派裝置亦將該資源單元指派送 ^^24至22„。該指派可發信號到UE22i至?^或與業務資料 夕工。由UE資源單元指派裝置76使用該送出之指派. 給予UE上鏈及下鏈頻道的資源單元。 彳、 對於接收到之下鏈資料,頻道估計裝置68及資料估叶 裝置70係處理時槽中接收到之基頻帶信號、及指派仏^ 鏈通訊短脈衝串之適當碼以及基地 、’;予下 指派襄置58送至頻道估計衷置68及 ί ί = 曰頻道估計装置68通常使用基頻帶信號中 該頻ί ί列Ϊ置以提供頻道資訊。由資料估計裝置70使用 ;;二;=之短脈衝串中的資料。上鏈資料 ,而指派-個或多重資源單元。展頻及連串序列插,匕 74係混合該資料與基地台之加 s相巧 < 裝置 展頻參考資料與適當時槽及指資„ ^貝料且使 序列時間多卫。指派之f源單: 76而送至展頻及連串序列插 二由貝f早^派裝置 列插入裝置74之最終序歹;2置:4:源自展頻及連串序 传經== 脈衝串。該放大之通訊短脈衝串 !、== ·ΓΓ成無線電頻率、通過-單向器62且藉 :出=將陣列而輻 由資源單元指派裝置58所使:3達基地° 2〇1。 每-.貞之基礎或根據一更週,矩陣92係根據- ❿,月改之基礎來更新。使用一統
1241856 五、發明說明(9) 計分析’優先矩陣92可根據自分鐘級至每日級之基礎為一 週期更新。一方法中,用戶終端設備22ι至24係在連續之 接收與傳送短脈衝串之間的空載期間内測量該時槽干擾水 準及碼干擾水準。將這些量測送至基地台2〇ι。另一方法中 係在週期性基礎上實施量測。一不同方法中,基地台2 將^信號到UE22!至2211以實施量測。緣是,可當接受到請1 求時即實,量測。基地台2〇ι係根據這些量測來更新優先矩 陣92。接著將更新後之資源單元指派自基地台2 UEZZi S22n。 第 圖說明 者用之 頻寬之 單元時 配給予 得資源 量之資 置58將 選 技術時 可用之 要兩個 作,則 受槽。 八圃係 之。為 資源單 需求而 ’資源 上鍵及 單元指 源單元 釋放該 擇資源 ’指派 可接受 資源單 可選擇 快速DCA之一流程圖且亦結合第四圖及第六 了支持通訊,指派一單元作為上鏈及下鏈兩 元‘派之資源卓元數量係根據上鍵及下鏈 疋。步驟106中,當該單元需要額外之資源 單元指派裝置5 8將選擇額外之資源單元來分 下鏈通訊。步驟94中係使用優先矩陣92,使 派裂置58將自可用資源單元指派一相對應數 。相反地,當需求減少時,資源單元指派 等資源單元。 單元之一方法係搜尋第一個可用者。使用該 裝置58係搜尋優先矩陣92直到其到達第一^ 時槽為止。以使用矩陣92者來說明,倘若需 70 ’則由碼1、槽1開始且首先由左至右動 喝1、槽5及槽6。該等槽係首先遇到之可接
第13頁 1241856
另一方法係搜尋最… 先矩陣92中搜尋具右异7卞璦頻運者。指派裝置58係在優 以說明,倘若欲選擇—f碼干擾水準之資源單元。在此加 「10」之碼5、槽“貝源單元、,則選擇具有-數值 搜尋整個矩陣92,因此^方々法係在選擇一資源單元前 定之資源單元係在該等;,‘ f理:間。然❿,由於選 者,因此可減少通訊干擾。、Λ、早兀中具有最低干擾水準 在使用 槽。在這種 個可用者之 槽。譬如, 使用最小干 槽。譬如, 相似地 一時槽内之 譬如區塊等 S11至S12等 最佳功率 糸統中, 方法時, 倘右指派 擾頻道者 倘若指派 ,為了將 多重碼, 一複合式 四個資源 '"制之系統中,較優地係指派連續時 可使用一修正之方法。使用搜尋第一 :指派具有第一可用數量之連續時 三個時槽,則可選擇碼1、S5至§7。 ^方法將選擇具有最小干擾之連續時 三個,則可選擇碼;!、以1至813。 使用之時槽數量最少化,因此可指派 譬如碼1至s 11至s 1 3。此外,可使用 方法—亦即碼1、SI 1至S1 2及碼2、 早70。
一種指派資源單元之技術係將使用之時槽數量最少 化。藉由減少使用之時槽數量可減少對相鄰單元之干擾。 若使用多重臨界值技術,則當起初需分配資源單元時,該 系統將哥找由干擾水準所決定之可用碼數量為最多的時槽 或複數個槽。結果,分配給予一給定數量資源單元的時槽 數量將最少。 初始分配後,將指派資源單元給予已分配到碼作通訊
第14頁 1241856 五、發明說明(11) 但仍具有第一個可用碼之續耸日卑揭 斗\ ^ _ 〜, 忑寺日守槽。該分配將可防止傕田 額外之時槽。當先前指派之時桦P祐 ,b ^ 之用 日,取I时糟已使用後,將指派新的拄 槽且首先指派具有最多數量可用碼的時槽。 4的^ 第十-圖係顯示—種方法,用於“指派給予— ,碼的最多數量。-般而言,期望限制使用時槽之數量: 錯由不使用時槽,可將這些時槽保留予其他交叉干擾之單 元使用。 瓦〜平 1 24中可測量每一時槽之干擾水準。為了決定每一 槽中應該使用之碼的數量,因此利用一多重臨界值方 案。126中係比較每一槽中測得的干擾,且128中係由該比 較結果來決定需指派之時槽最大數量。一多重臨界值方案 係使用如第九圖所示之兩臨界值^及匕。倘若該測得之干、 擾水準低於L,則可在該時槽中指派多重碼11〇。倘若該測 得之干擾水準介於^與丨2之間,則可在該等時槽中指派一 碼11 2。倘若該干擾水準高於l,則該時槽中無任何碼丨i * 可使用。 其他之多重臨界值方案係使用超過兩干擾水準丨1、 L、···、In。倘若該測得之水準高於In,則無任何碼〗1 2可
用倘若介於In與InM之間,則一碼1 2 0可使用。用於時槽 之可用碼數量將保持對每一臨界值In 2、In_3等增加一個直 到干擾水準小於I!為止。當該干擾水準低於L時,無任何 碼11 8可用於時槽。
1241856 圖式簡單說明 第一圖係一無線擴頻TDD/CDMA系統。 第二圖係在重複幀中之時槽的一圖示。 第三圖係由頻道碼、時槽及頻率區別之資源單元的 圖示。 第四圖係一簡化之基地台及用戶終端設備。 第五圖係1 ow動態頻道指派之一流程圖。 第六圖係一優先矩陣之一範例。 第七圖係一碼功率干擾水準量測裝置。 % 第八圖係快速動態頻道指派之一流程圖。 第九圖係兩臨界值之碼指派的一圖示。 第十圖係多重臨界值之碼指派的一圖示。 第Η—*圖係多重臨界值之碼指派的一流程圖。 圖示元件符號說明 2 0^2(^ :基地台 22卜223 :用戶終端設備 24i〜24n :時槽 26 ··幀 f 2 8、9 2 :矩陣 30、60 :天線 32 :單向器 34、66 :調制器 36、64 :解調器 38 :累加裝置
第16頁 1241856 圖式簡單說明 40^40, 42^42n 40^40, 44i〜44n 46 ^ 68 48 50 52 54 70 78 80 56 72 :放大器 74 :展頻及連串序列插入裝置 72 :放大器 77 :資料產生器 頻道估計裝置 資料估計裝置 碼功率干擾量測裝置 時槽干擾量測裝置 比較器 58 :資源單元指派裝置 62 :開關 76 ··資源單元指派裝置 7 9 :無線射頻界面 94 :信號 9 6 :碼相關裝置 98 :功率量測裝置 I 0 0 :碼功率 II 0 :多重碼
I f
第17頁

Claims (1)

  1. 六、 含 準 οσ 早 偏 2· 包 間 3· 干 4· 示 5· 指 槽 6. 係 7· 指 擾 8. 指 時 1241856 申請專利範圍 一種使用分碼多重八— : …、線分時雙工基地台,其包 >源早元指泥^驻 ,資泝罝- 底置,用以接收資源單元之瑪早掉ν 貝源早兀之碼干擾 。Γ早兀之碼干擾位 元之碼的一干擾 田為在該單元的時間槽期間該 好矩陣,並:利Γ接收碼干擾位準以產生- 如申-奎' 偏好矩陣來指派資源單元至一通邙 如申凊專利範圍第j項所述之 Α二至通讯。 ,利用嗔置’用以在該單元之時間槽期 如之碼來量測資源單元之碼干擾位準。 "月專利靶圍第2項所述之基地台, 擾1測裝置,用以量測時間槽之一干擾位;…間槽 一二申Λ專利範圍第1項所述之基地台,其中該基地台指 使用者取得該碼干擾位準量測。 丫如/請/專利範圍第1項所述之基地台,其中該資源單元 ’氏裝置係消除所量測的干擾超過一臨界值之選定的時 〇 如一申睛專利範圍第5項所述之基地台,其中該偏好矩陣 表示一消除的時間槽。 如申請專利範圍第1項所述之基地台,其中該資源單元 派首先係將該偏好矩陣中之一資源單元指派以一最低干 位準來執行。 如申請專利範圍第1項所述之基地台,其中該資源單元 派係透過指派一用戶終端設備之複數資源單元至一連續 間槽來執行。
    1241856
    第19頁
TW092127533A 2000-07-10 2001-07-09 Wireless base station using code power measurements TWI241856B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21709300P 2000-07-10 2000-07-10

Publications (2)

Publication Number Publication Date
TW200425760A TW200425760A (en) 2004-11-16
TWI241856B true TWI241856B (en) 2005-10-11

Family

ID=22809647

Family Applications (7)

Application Number Title Priority Date Filing Date
TW092100069A TWI272854B (en) 2000-07-10 2001-07-09 Wireless base station using code power measurements
TW092128242A TWI243622B (en) 2000-07-10 2001-07-09 Method for assigning resources in a code division multiple access communication system
TW090116760A TWI238013B (en) 2000-07-10 2001-07-09 Code power measurement for dynamic channel allocation
TW092100070A TW561763B (en) 2000-07-10 2001-07-09 Wireless user equipment using code power measurements
TW094121512A TW200603647A (en) 2000-07-10 2001-07-09 Method for assigning resources in a code division multiple access communication system
TW092127533A TWI241856B (en) 2000-07-10 2001-07-09 Wireless base station using code power measurements
TW095148849A TW200746658A (en) 2000-07-10 2001-07-09 Method for assigning resources in a code division multiple access communication system

Family Applications Before (5)

Application Number Title Priority Date Filing Date
TW092100069A TWI272854B (en) 2000-07-10 2001-07-09 Wireless base station using code power measurements
TW092128242A TWI243622B (en) 2000-07-10 2001-07-09 Method for assigning resources in a code division multiple access communication system
TW090116760A TWI238013B (en) 2000-07-10 2001-07-09 Code power measurement for dynamic channel allocation
TW092100070A TW561763B (en) 2000-07-10 2001-07-09 Wireless user equipment using code power measurements
TW094121512A TW200603647A (en) 2000-07-10 2001-07-09 Method for assigning resources in a code division multiple access communication system

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW095148849A TW200746658A (en) 2000-07-10 2001-07-09 Method for assigning resources in a code division multiple access communication system

Country Status (21)

Country Link
US (2) US6993002B2 (zh)
EP (1) EP1299956B1 (zh)
JP (2) JP2004503170A (zh)
KR (3) KR100688144B1 (zh)
CN (1) CN1317916C (zh)
AR (2) AR032357A1 (zh)
AT (2) ATE326821T1 (zh)
AU (2) AU2001273244B2 (zh)
BR (1) BR0112563A (zh)
CA (1) CA2414456A1 (zh)
DE (3) DE60113423T2 (zh)
DK (1) DK1434455T3 (zh)
ES (2) ES2263903T3 (zh)
HK (1) HK1065911A1 (zh)
IL (2) IL153849A0 (zh)
MX (1) MXPA03000304A (zh)
MY (1) MY129223A (zh)
NO (1) NO20030107L (zh)
SG (1) SG119189A1 (zh)
TW (7) TWI272854B (zh)
WO (1) WO2002005441A2 (zh)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001273244B2 (en) * 2000-07-10 2005-02-17 Interdigital Technology Corporation Code power measurement for dynamic channel allocation
WO2002075963A2 (en) 2000-07-27 2002-09-26 Interdigital Technology Corporation Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system
FR2821230B1 (fr) * 2001-02-20 2003-04-11 Mitsubishi Electric Inf Tech Methode d'allocation de ressources de transmission
US6952410B2 (en) * 2001-02-26 2005-10-04 Lucent Technologies Inc. Semi-static code space division for multiple shared packet data channels in high bandwidth mixed service CDMA systems
US6591109B2 (en) 2001-08-17 2003-07-08 Interdigital Technology Corporation Cross cell user equipment interference reduction in a time division duplex communication system using code division multiple access
GB0125390D0 (en) * 2001-10-23 2001-12-12 Ipwireless Inc Resource allocation in a packet-based radio communication system
FI20020154A0 (fi) * 2002-01-28 2002-01-28 Nokia Corp Hõiri÷npoisto radiojõrjestelmõn vastaanottimessa
JP3581357B2 (ja) * 2002-05-22 2004-10-27 松下電器産業株式会社 通信端末装置及び拡散コード推定方法
US6826411B2 (en) * 2002-06-27 2004-11-30 Interdigital Technology Corporation Low power interference signal code power (ISCP) measurement
EP1722497A3 (en) * 2002-06-27 2012-03-21 Interdigital Technology Corporation Method for estimating an interference signal code power measurement, user equipment and base station corresponding to the method
EP1420603A1 (de) * 2002-11-18 2004-05-19 Siemens Aktiengesellschaft Verfahren zur dynamischen Kanalvergabe
WO2004047331A1 (en) * 2002-11-20 2004-06-03 Interdigital Technology Corporation Assigning uplink slots to optimize uplink power control gain in wireless communications
US7106708B2 (en) * 2003-02-19 2006-09-12 Interdigital Technology Corp. Method for implementing fast dynamic channel allocation (F-DCA) call admission control in radio resource management
US7130637B2 (en) * 2003-02-27 2006-10-31 Interdigital Technology Corporation Method for implementing fast dynamic channel allocation background interference reduction procedure in radio resource management
US7110771B2 (en) * 2003-04-17 2006-09-19 Interdigital Technology Corporation Method for implementing fast-dynamic channel allocation call admission control for radio link reconfiguration in radio resource management
WO2004077850A2 (en) * 2003-02-27 2004-09-10 Interdigital Technology Corporation Method for implementing fast-dynamic channel allocation radio resource management procedures
US7136656B2 (en) * 2003-03-20 2006-11-14 Interdigital Technology Corporation Method of fast dynamic channel allocation call admission control for radio link addition in radio resource management
US7107060B2 (en) * 2003-02-27 2006-09-12 Interdigital Technology Corporation Method of optimizing an implementation of fast-dynamic channel allocation call admission control in radio resource management
US7212826B2 (en) * 2003-02-27 2007-05-01 Interdigital Technology Corporation Method for implementing fast dynamic channel allocation escape mechanism in radio resource management
US7146162B2 (en) * 2003-03-25 2006-12-05 Interdigital Technology Corporation Method and system for managing resources in wireless communication systems
US20040190541A1 (en) * 2003-03-26 2004-09-30 Interdigital Technology Corporation Determination of optimal switching points between the uplink and downlink
DE60311447T2 (de) * 2003-07-24 2007-11-29 Siemens S.P.A. Verfahren zur Schätzung der Interferenzsignalkodeleistung (iscp) in einem TD-CDMA System
US9585023B2 (en) * 2003-10-30 2017-02-28 Qualcomm Incorporated Layered reuse for a wireless communication system
US8526963B2 (en) * 2003-10-30 2013-09-03 Qualcomm Incorporated Restrictive reuse for a wireless communication system
WO2005046151A1 (en) * 2003-11-07 2005-05-19 Aalborg Universitet Method of detecting signals using an iterative inter-symbol interference (isi) and multiple access interference (mai) removal
ES2305898T3 (es) * 2003-11-07 2008-11-01 Interdigital Technology Corporation Metodo y aparato de comunicaciones inalambricas para poner en practica el control de la admision de llamadas basado en medidas comunes.
US7599339B2 (en) 2003-11-12 2009-10-06 Interdigital Technology Corporation Method and system for transferring wireless transmit/receive unit-specific information
KR100575434B1 (ko) * 2003-11-19 2006-05-03 한국전자통신연구원 직교주파수 분할 다중 접속 기반 셀룰러 시스템에서의 자원 공간 분할 및 물리 채널 할당 방법
CN1622500A (zh) * 2003-11-28 2005-06-01 皇家飞利浦电子股份有限公司 一种用于tdd cdma通信体系的信道动态分配方法及装置
US7096304B2 (en) * 2003-12-31 2006-08-22 Micron Technology, Inc. Apparatus and method for managing voltage buses
GB2413240A (en) 2004-04-13 2005-10-19 Ipwireless Inc Dynamic channel assignment in a TDD communication system
US7680475B2 (en) 2004-06-09 2010-03-16 Qualcomm Incorporated Dynamic ASBR scheduler
US8059589B2 (en) * 2004-06-09 2011-11-15 Qualcomm Incorporated Dynamic restrictive reuse scheduler
CN100375559C (zh) * 2004-07-13 2008-03-12 中兴通讯股份有限公司 多载波小区下的码资源分配方法
US8032145B2 (en) 2004-07-23 2011-10-04 Qualcomm Incorporated Restrictive reuse set management algorithm for equal grade of service on FL transmission
CN100382632C (zh) * 2004-09-28 2008-04-16 中兴通讯股份有限公司 一种时分复用码分多址接入系统中动态信道调整方法
US7489732B2 (en) * 2004-10-26 2009-02-10 Jian Cheng Decreasing computational complexity of TD-SCDMA measurement process
US7548752B2 (en) * 2004-12-22 2009-06-16 Qualcomm Incorporated Feedback to support restrictive reuse
JP4915636B2 (ja) * 2005-05-20 2012-04-11 株式会社国際電気通信基礎技術研究所 無線装置
EP3386229B1 (en) * 2005-10-26 2020-05-20 QUALCOMM Incorporated Flexible medium access control (mac) method for ad hoc wireless networks
WO2007051153A1 (en) * 2005-10-26 2007-05-03 Qualcomm Incorporated Minimum rate guarantees on wireless channel using resource utilization messages
US8942161B2 (en) * 2005-10-26 2015-01-27 Qualcomm Incorporated Weighted fair sharing of a wireless channel using resource utilization masks
US8081592B2 (en) 2005-10-26 2011-12-20 Qualcomm Incorporated Flexible medium access control (MAC) for ad hoc deployed wireless networks
US9204428B2 (en) * 2005-10-26 2015-12-01 Qualcomm Incorporated Interference management using resource utilization masks sent at constant PSD
US8918114B2 (en) * 2005-10-26 2014-12-23 Qualcomm Incorporated Using resource utilization messages in a multi-carrier MAC to achieve fairness
KR100895183B1 (ko) * 2006-02-03 2009-04-24 삼성전자주식회사 무선통신 시스템을 위한 주변 셀 간섭의 제거를 위한송수신 방법 및 장치
US8260340B2 (en) 2006-02-17 2012-09-04 Alcatel Lucent Methods of reverse link power control
WO2007100032A1 (ja) * 2006-03-01 2007-09-07 Nec Corporation 移動通信システム、そのスクランブルコード割り当て方法、移動局、および基地局
KR100961747B1 (ko) * 2006-06-27 2010-06-07 삼성전자주식회사 무선 통신 시스템의 자원 할당 장치 및 방법
KR100726078B1 (ko) * 2006-08-17 2007-06-08 에스케이 텔레콤주식회사 기지국 수신기에서의 간섭 신호 제거 장치 및 방법
CN101641874B (zh) * 2006-08-18 2013-11-06 富士通株式会社 共存新的和现有的无线通信设备的导码序列
US8238319B2 (en) 2006-09-01 2012-08-07 Advanced Telecommunications Research Institute International Radio apparatus
US20080165741A1 (en) * 2007-01-05 2008-07-10 Industrial Technology Research Institute Methods for interference measurement and prediction
EP2227061B1 (en) * 2007-01-31 2012-09-19 Sharp Kabushiki Kaisha Interference information indicator table for a mobile station located at a cell edge
US7995641B2 (en) * 2007-11-06 2011-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for code power parameter estimation for received signal processing
US8705506B2 (en) 2007-11-16 2014-04-22 Qualcomm Incorporated Time reservation for a dominant interference scenario in a wireless communication network
US20090175324A1 (en) * 2008-01-04 2009-07-09 Qualcomm Incorporated Dynamic interference control in a wireless communication network
US9820240B2 (en) 2008-02-01 2017-11-14 Qualcomm Incorporated Virtual scheduling in heterogeneous networks
SG10201606444UA (en) * 2008-02-04 2016-09-29 Samsung Electronics Co Ltd Control and data multiplexing in communication systems
WO2009100371A2 (en) 2008-02-08 2009-08-13 Zte (Usa) Inc. Dynamic adjustment of downlink/uplink allocation ratio in tdd wireless systems
KR100964446B1 (ko) * 2008-02-15 2010-06-16 에스케이 텔레콤주식회사 하향링크 동적 자원 할당 방법 및 시스템
US8050205B2 (en) * 2009-07-16 2011-11-01 Palo Alto Research Center Incorporated Slot adaptation in a wireless dynamic TDMA network with reservations
CN102264138B (zh) * 2010-05-24 2014-04-02 电信科学技术研究院 一种承载业务的方法、装置及系统
GB2484278A (en) 2010-10-04 2012-04-11 Airspan Networks Inc Suppressing co-channel interference in dependence upon probabilities of establishing a link between a base station and a terminal via resource blocks
GB2484279B (en) 2010-10-04 2014-11-12 Airspan Networks Inc Apparatus and method for controlling a wireless feeder network
GB2484280B (en) 2010-10-04 2014-10-08 Airspan Networks Inc Apparatus and method for controlling a wireless feeder network
WO2012052071A1 (en) * 2010-10-18 2012-04-26 Telefonaktiebolaget L M Ericsson (Publ) Communication scheduling based on priority and resource utilization
GB2486494A (en) * 2010-12-17 2012-06-20 Vodafone Ip Licensing Ltd Interference detection in mobile telecommunications networks
CN102158969B (zh) * 2011-02-15 2013-11-20 大唐移动通信设备有限公司 一种时码资源的选择方法和设备
US9930592B2 (en) 2013-02-19 2018-03-27 Mimosa Networks, Inc. Systems and methods for directing mobile device connectivity
US9179336B2 (en) 2013-02-19 2015-11-03 Mimosa Networks, Inc. WiFi management interface for microwave radio and reset to factory defaults
US9362629B2 (en) 2013-03-06 2016-06-07 Mimosa Networks, Inc. Enclosure for radio, parabolic dish antenna, and side lobe shields
US9130305B2 (en) 2013-03-06 2015-09-08 Mimosa Networks, Inc. Waterproof apparatus for cables and cable interfaces
US10742275B2 (en) 2013-03-07 2020-08-11 Mimosa Networks, Inc. Quad-sector antenna using circular polarization
US9191081B2 (en) 2013-03-08 2015-11-17 Mimosa Networks, Inc. System and method for dual-band backhaul radio
US9295103B2 (en) 2013-05-30 2016-03-22 Mimosa Networks, Inc. Wireless access points providing hybrid 802.11 and scheduled priority access communications
US10938110B2 (en) 2013-06-28 2021-03-02 Mimosa Networks, Inc. Ellipticity reduction in circularly polarized array antennas
US20150071257A1 (en) * 2013-09-10 2015-03-12 Qualcomm Incorporated Radio resource request for irat measurement in td-hsupa/td-hsdpa
US9001689B1 (en) 2014-01-24 2015-04-07 Mimosa Networks, Inc. Channel optimization in half duplex communications systems
US9780892B2 (en) 2014-03-05 2017-10-03 Mimosa Networks, Inc. System and method for aligning a radio using an automated audio guide
US9998246B2 (en) 2014-03-13 2018-06-12 Mimosa Networks, Inc. Simultaneous transmission on shared channel
US10958332B2 (en) 2014-09-08 2021-03-23 Mimosa Networks, Inc. Wi-Fi hotspot repeater
USD752566S1 (en) 2014-09-12 2016-03-29 Mimosa Networks, Inc. Wireless repeater
US20160119917A1 (en) * 2014-10-23 2016-04-28 Qualcomm Incorporated Scheduling downlink time slots in a high speed data network
GB2539727B (en) 2015-06-25 2021-05-12 Airspan Ip Holdco Llc A configurable antenna and method of operating such a configurable antenna
GB2539731B (en) 2015-06-25 2021-08-04 Airspan Ip Holdco Llc Quality of service in wireless backhauls
GB2539735A (en) 2015-06-25 2016-12-28 Airspan Networks Inc Sub-sampling antenna elements
GB2539732A (en) 2015-06-25 2016-12-28 Airspan Networks Inc A configurable antenna and method of operating such a configurable antenna
GB2539722B (en) 2015-06-25 2021-10-13 Airspan Ip Holdco Llc Bearing calculation
GB2539730B (en) 2015-06-25 2021-04-07 Airspan Ip Holdco Llc Node role assignment in networks
CN107787595B (zh) 2015-06-25 2021-07-13 艾尔斯潘网络公司 管理无线网络中的外部干扰
GB2543800B (en) * 2015-10-28 2020-02-26 Ayyeka Tech Ltd Method and system for scheduling transmit time slots for network-connected measurement units
US10749263B2 (en) 2016-01-11 2020-08-18 Mimosa Networks, Inc. Printed circuit board mounted antenna and waveguide interface
US11251539B2 (en) 2016-07-29 2022-02-15 Airspan Ip Holdco Llc Multi-band access point antenna array
EP3520490B1 (en) * 2017-05-05 2022-01-12 ZTE Corporation Techniques for communicating synchronization signal timing information
US10511074B2 (en) 2018-01-05 2019-12-17 Mimosa Networks, Inc. Higher signal isolation solutions for printed circuit board mounted antenna and waveguide interface
US11069986B2 (en) 2018-03-02 2021-07-20 Airspan Ip Holdco Llc Omni-directional orthogonally-polarized antenna system for MIMO applications
US11289821B2 (en) 2018-09-11 2022-03-29 Air Span Ip Holdco Llc Sector antenna systems and methods for providing high gain and high side-lobe rejection

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2003A (en) * 1841-03-12 Improvement in horizontal windivhlls
US5297161A (en) * 1992-06-29 1994-03-22 Motorola Inc. Method and apparatus for power estimation in an orthogonal coded communication system
FI925472A (fi) * 1992-12-01 1994-06-02 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä sekä -järjestelmä
JP2802870B2 (ja) * 1993-03-10 1998-09-24 エヌ・ティ・ティ移動通信網株式会社 符号分割多重移動通信機及び符号分割多重移動通信のセル選択方法
US5559789A (en) * 1994-01-31 1996-09-24 Matsushita Electric Industrial Co., Ltd. CDMA/TDD Radio Communication System
US6018528A (en) * 1994-04-28 2000-01-25 At&T Corp System and method for optimizing spectral efficiency using time-frequency-code slicing
JP3392630B2 (ja) * 1996-03-22 2003-03-31 松下電器産業株式会社 スペクトル拡散通信装置
GB2320648A (en) * 1996-12-20 1998-06-24 Dsc Telecom Lp Controlling interference in a cell of a wireless telecommunications system
WO1998059435A1 (en) * 1997-06-24 1998-12-30 Nokia Telecommunications Oy A method to allocate channels for a fixed radio link operating in an non-coordinated frequency band
JP3149399B2 (ja) * 1998-09-24 2001-03-26 松下電器産業株式会社 Cdma基地局装置及びコード割当方法
US6693953B2 (en) * 1998-09-30 2004-02-17 Skyworks Solutions, Inc. Adaptive wireless communication receiver
US6775260B1 (en) * 1999-02-25 2004-08-10 Texas Instruments Incorporated Space time transmit diversity for TDD/WCDMA systems
US6421380B1 (en) * 1999-03-10 2002-07-16 International Business Machines Corporation Demodulator for digital communication systems
DE69941118D1 (de) * 1999-09-24 2009-08-27 Alcatel Lucent Verfahren zur dynamischen Kanalzuweisung mit Umordnung in einem TDD/CDMA Funkkommunikationssystem und System dafür
US6996162B1 (en) * 1999-10-05 2006-02-07 Texas Instruments Incorporated Correlation using only selected chip position samples in a wireless communication system
US6650694B1 (en) * 2000-02-18 2003-11-18 Texas Instruments Incorporated Correlator co-processor for CDMA RAKE receiver operations
US7154958B2 (en) * 2000-07-05 2006-12-26 Texas Instruments Incorporated Code division multiple access wireless system with time reversed space time block transmitter diversity
AU2001273244B2 (en) * 2000-07-10 2005-02-17 Interdigital Technology Corporation Code power measurement for dynamic channel allocation
EP1176730A1 (en) * 2000-07-26 2002-01-30 Motorola, Inc. Interference estimation in a communications system
ES2378225T3 (es) * 2001-05-14 2012-04-10 Interdigital Technology Corporation Mediciones de la calidad de canal para la asignación de recursos de enlace descendente.

Also Published As

Publication number Publication date
KR20050074658A (ko) 2005-07-18
DE01952502T1 (de) 2004-04-15
AR041147A1 (es) 2005-05-04
TW200603647A (en) 2006-01-16
BR0112563A (pt) 2003-07-29
SG119189A1 (en) 2006-02-28
AU2001273244B2 (en) 2005-02-17
NO20030107D0 (no) 2003-01-09
TWI238013B (en) 2005-08-11
AR032357A1 (es) 2003-11-05
HK1065911A1 (en) 2005-03-04
NO20030107L (no) 2003-03-07
ATE304753T1 (de) 2005-09-15
TW200302020A (en) 2003-07-16
ES2244635T3 (es) 2005-12-16
IL153849A (en) 2008-07-08
ATE326821T1 (de) 2006-06-15
KR100597981B1 (ko) 2006-07-13
EP1299956B1 (en) 2005-09-14
US6993002B2 (en) 2006-01-31
DE60113423D1 (de) 2005-10-20
TWI272854B (en) 2007-02-01
US20020003782A1 (en) 2002-01-10
TW200302028A (en) 2003-07-16
MY129223A (en) 2007-03-30
TW200425760A (en) 2004-11-16
WO2002005441A3 (en) 2002-12-12
TW561763B (en) 2003-11-11
MXPA03000304A (es) 2003-06-06
DK1434455T3 (da) 2006-09-04
WO2002005441A2 (en) 2002-01-17
CN1526252A (zh) 2004-09-01
JP2004260845A (ja) 2004-09-16
ES2263903T3 (es) 2006-12-16
DE60113423T2 (de) 2006-06-14
KR100688144B1 (ko) 2007-03-02
CN1317916C (zh) 2007-05-23
CA2414456A1 (en) 2002-01-17
IL153849A0 (en) 2003-07-31
TW200417264A (en) 2004-09-01
KR20030016391A (ko) 2003-02-26
TW200746658A (en) 2007-12-16
TWI243622B (en) 2005-11-11
AU7324401A (en) 2002-01-21
DE60119794T2 (de) 2007-04-26
EP1299956A2 (en) 2003-04-09
US20060072518A1 (en) 2006-04-06
JP2004503170A (ja) 2004-01-29
DE60119794D1 (de) 2006-06-22
KR20050084523A (ko) 2005-08-26
KR100688143B1 (ko) 2007-03-02

Similar Documents

Publication Publication Date Title
TWI241856B (en) Wireless base station using code power measurements
AU2001273244A1 (en) Code power measurement for dynamic channel allocation
KR100923890B1 (ko) 밴드 할당 방법 및 무선 통신 시스템
JP3409628B2 (ja) Cdma通信方法およびグループ拡散変調器
US7653140B2 (en) Radio access scheme in CDMA-based communication system
HUE030297T2 (en) Equipment and method for assigning source resources to uplink ACK / NACK channels in a cellular wireless system
CN103227819B (zh) 机器类通信中业务数据的传输方法及系统、基站和ue
US6574268B1 (en) Asymmetric orthogonal codes for optical communications
MXPA06003444A (es) Fragmentacion de arbol de codigos en control de admision de llamadas.
JP2008541580A (ja) 基本ミッドアンブルコードの分配方法及びジョイントディテクション方法
JP2002305505A (ja) Cdma無線通信システムにおけるリソース割当
JP4429119B2 (ja) マルチキャリア伝送ネットワークのユーザに拡散系列を動的に割り当てる方法
EP1434455A1 (en) Code-power measurement for dynamic channel allocation
AU2005202111B2 (en) Code Power Measurement for Dynamic Channel Allocation
EP1696688A1 (en) Code power measurement for dynamic channel allocation
Gonzalez et al. Dynamic code allocation scheme for multirate services on OVSF CDMA cellular networks based on intracell interference reduction
Singh et al. Effect of erroneous power control on the performance of overloaded cellular UCDS-CDMA
KR20020066035A (ko) 패킷 데이터 서비스를 위한 이동 통신시스템의 프리앰블전송 장치 및 방법

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees