TWI285043B - Wireless communication method and system for forming three-dimensional control channel beams and managing high volume user coverage areas - Google Patents

Wireless communication method and system for forming three-dimensional control channel beams and managing high volume user coverage areas Download PDF

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TWI285043B
TWI285043B TW094116799A TW94116799A TWI285043B TW I285043 B TWI285043 B TW I285043B TW 094116799 A TW094116799 A TW 094116799A TW 94116799 A TW94116799 A TW 94116799A TW I285043 B TWI285043 B TW I285043B
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base station
wireless
dimensional control
control channel
wireless communication
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TW094116799A
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TW200605608A (en
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Steven Jeffrey Goldberg
Fatih M Ozluturk
Jung-Lin Pan
Ying-Ming Tsai
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Interdigital Tech Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

128 知 43 九、發明說明： 發明所屬之技術領域 本發明係有關無線聰纽。更制是，本發明係有關執行 ^位角及仰角平面中之智慧天線波束涵蓋，藉由形成及引導三維 ^制頻道波束來提供集中涵蓋區域中之增強無線鶴。 先前技術 傳統無線通信系統通常操作於她態。一為被用來提供通信 鲁裝置初始接觸及持續全部控制。另一為資料被交換於其期間之資 料狀態。該系統具有不同功能，因此具有不同涵蓋，容量，可用 性，可靠性及資料速率要求。改進一個或更多這些特性將有助益。 在此被併入其整體參考之Goldberg等人2004年8月31曰提 出關專利第6,785,559號被命名為“使用波束形成及拂掠有效 涵盍胞το分隔之系統，，，係揭示提供控制頻道涵蓋之有效裝置。 扇區分隔係為提供區別涵蓋區域及個別胞元位址之熟知技 • 術’且可被以熟知於技術中之“智慧天線，’技術來達成。智慧天 線方法動驗變天線輻賴絲形成可聚絲天線域涵蓋之 “波束，’。 波束形成係為扇區分隔增強，其中扇區可被調整方向及寬 度兩者技術係被用來：1)降低被配置於胞元内之胞元及無線傳 歡接收單元_1；8)間之干擾；2)增加接收器及傳送器間之範 圍；及3)放置無線傳送/接收單元。—旦其大致位置已知，這些 Ι285Θ43 技術通常被細至無線傳職收單元之專用頻道。 知道無線胸接收單元位置之前，共用頻道係廣播所有無線 傳樓收早疋可接收之資訊。雖然此資訊可被傳送於靜態扇區 中’但其並不被傳送於可變波束中。其中該額外步驟為決定用於 專用育__纽賴紅歧式_幽鱗。另外， 通常'頭大得足以提供廣闊涵蓋區域，其财意指其功率具有與 傳达器之觀雜。1_巾’其必縦聰冑辨，具有較長符 • 號時間以或更強力編碼計劃來涵蓋相同範圍。 、 使用先前技術計劃之共聊道涵蓋係被顯示於第1圖作絲 地台㈣所製造之四個重疊寬波束。此提供全方向性涵蓋，而給 予胞70位狀再使聰度。_由具有各辆觀唯—識別符提 供無線傳·鮮元動_之—之綺陳略程度。 參考第2 ®，基地纟及若干練树·單元卿，㈣） 門之下鏈專用波束係被顯示。假設來自第1及2圖基地台之相同 #辨及所有其他伽_，④騎示無線傳猶收單元 (無線傳鱗收單元3及無線傳猶收單元4)可較第i圖所示無 、:專满收單7C(無線傳魏收單元^ ’無線傳收單元2)更 k離基地D，代是，雖輯可 2誤ίϋ碼達到蝴_。這些方法任-均可降低資料傳遞速 Υ亦顧至基地台之接收紅鏈波束酿丨及有舰無線傳 收單元至基地台之資料涵蓋及選擇要求之相同評論。 1285043 ^謝，基地台或無_/接收單卿通常 :力率:纖速率，錯誤修正編竭及傳遞時間，率 增加。細’這些槪嶋軸作之絲。此外，涵蓋被 轉方式巾之翻及專贼域道切係魏。 參考第3 ® ’虛線表秘絲钟出之制爾波束B之可 能位置RS纽滅n。特柿_時，絲b僅存在於
線所示位置臟之-。箭観顯示光束B之時序。此圖示中、， 雖然順時鐘旋轉並非必要，光束B仍依序從一順時鐘位置恤工 移動至另外Rsub.2-Rsub.n〇 該系統提供識另触置細地如處之波^。當波抑 位於纽置㈣1杨·n處時，識別波束B之第-實施例係傳 送唯-識別符。例如，第-_符ΙΛ1 P.snb.1處’第二識別符Lsub.2將被傳送於第二位置P—.2處， 纽置RsuM-Rsub-n等等。若波束b被連續拂掠，則不同是別 Us—b’m可針對各旋轉程度(或程度出現數)被產生。 B >fi£ P.sub.l-P.sub.n Ν'間私§己當作無線傳^/接收單元返回基地台之識別符類型。將時 間標兄(或識別符)返回基地纟通知基地台何波束Β被無線傳逆 接收單元綱。針對該時駆間，基地纟絲知道可與無線傳送 /接收單元通信之波束Β之RSUb.l_P.sub.n位置。絲，應注意由 於可能反射，來自基地台之無線傳送/接收單元方向係非必要。

Claims (1)

1285043 十、申請專利範園：
L一種傳送及接收通信之方法’用以提供一或多個三維控制 頻道波束，該方法包含·· (a) 產生及成形至少-三維控_道波束； (b) 傳細她該至少—三維控制頻道波束内之信號·， (c) 引導該至少-三維控制頻道波束來涵蓋特定涵蓋區
域，其中波束成形是被用來調整該至少一三維控制頻道波束方位 角及仰角之孔徑視線及波束寬度；及 (d) 識別該至少一三維控制頻道波束。 2.如申請專利範，項之方法，其中步驟⑻進一步包含成 形該至少-三維控侧道縣為縫從較度轉寬度的可選 擇寬度之一。
3·如懈利範㈣項之方法，其中該涵蓋區域與一胞元 之一或多個扇區一致。 尺寸。 4·如申請專利娜3項之方法，其中該等胞福區細 5. 如申請專利範圍第4項之方法，其中步驟⑻進一步包含成 形該二維控制頻道波束來涵蓋該胞元扇區。 6. 如申請專利範圍第4項之方法，其中步驟⑼進一步包含識 別該扇區。 7. 如申請專利範圍第1項之方法，其中步驟⑼進一步包含提 33 1285043 Γ-",_ι 1 丨_丨丨_丨 _丨丨1 挪*♦—»»»-— „,ιιη , ι ιμ _ 年月 π終= p ***-·'* -*··Κ*·** -,- -14«.,·#», f .-,- 供-唯-識別符給該三維控制頻道波束。 一 8·如申請專利綱第丨項之方法，其中該方法係細於一通 ^糸統，該通信系統包括至少一基地台以及至少一無線細妾收 單元(WTRU)，且步驟(d)進一步包含·· (叫藉由傳送-時_記至該無線傳送/接收單元來識別 該三維控制頻道波束；及 - • ㈣親轉送7接收單元接㈣時間標記並將由該無線 傳W接收單元所侧到之被接收時間標記的一指標返回該基地 台。 9.如申請專利翻帛！項之方法，其中該方法係應用於一通 信系統，該通信系統包括至少一基触以及至少-無線傳灘收 單元(WTRU) ’且步驟(d)進一步包含提供由該無線傳勒接收單元 及該基地台存取之時間參考。 籲 10·如申請專利範圍第1項之方法，其中該方法係應用於一 通信系統，該通信系統包括至少一基地台以及至少—無線傳歡 接收單元(WTRU)，且該方法進一步包含提供該無線傳送/接收單 元之位置疋位’6亥基地台使用該位置定位來為該無線傳送/接收 單元識別至少一波束方向。 11 · 一種於無線通信系統中的方法，該無線通信系統包含與具 有不同服務品質要求之複數無線傳送/接收單元通信之至少一基 地台，該方法包含·· 34 1285043
—(猶至少-基地台係形成被引導朝向服務該無線傳職 收單7C1之一或多個涵蓋區域之複數三維控制頻道波束； ”（b)魅少—基地台係以_職鱗鐵接轉元之服務 品質要求為基礎職及魏縣較麵至職雜勒妾收單 元之各者；及 ⑹該至少-基地台將各該無線傳鐵接收單元分配至複數 ^ 波束成形叢集至少之一。 、12.如申請翻細第„項之方法，射該波束特定類型特 性為波束寬度，解、涵蓋、方位纽仰歧少其中之一。 、13.如巾轉利麵第12項之方法，其巾敏束做類型特 性細定波束、交驗棘赫性波束至少其中之一。 14·如申請專利範圍第12項之方法，其中該涵蓋特性為大涵 盍及窄涵蓋其中之一。 35 1 15·如申請專利範圍第12項之方法，其中該功率特性為高功 率及低功率其中之一。 6·如申明專利範圍第^項之方法，其中該波束寬度特性為 窄波束寬度及寬波束寬度其中之一。 Π.如申請專利範圍第10項之方法，其中該波束寬度特性係 以該無線傳魏收單元速度為基礎來決定。 18.種包含於無線通信系統中的基地台，用以服務複數盔 線傳送/接收單元，該基地台包含： ' ' 1285043 ，年 5. 拉 , V / J (a) —天線；及 t (b) 與該天線通信之-傳送器，該傳送器用於傳送波束成形 才曰7至或多個该無線傳勒妾收單元，其中該指令標示無線傳送 /接收單元波束寬度及波束高度’或無線傳歡接收單域束方位 角及仰角之角度。 19·-種用於-無線通信網路的方法，該無線通信網路包含 複數節點’各節點於-或多個通信鏈上與一或多個其他節點通 信，該方法包含： ⑻將各該節點裝設一波束天線，該波束天線形成具有被引 導至該節點的另一者之水平及垂直角之波束；及 (b)使用與該垂直波束角度相關之資訊，以精確定位該波束 及降低節點間干擾及全部功率消耗。 20.如申請專利範圍第19項之方法，其中該無線通信網路係 為網格型網路。 21 —種無線通信網路，包含： ⑻複數節點’各節點與一或多個其他節點於一或多個通传 鏈上通信’其巾各該節點被裝設一波束天線，該波束天線形成具 有被引導至該節點另一者之水平及垂直角之波束；及 (b)使用與該垂直波束角度相關之資訊以精確定位該波束 及降低節點間干擾及全部功率消耗之裝置。 22·如申請專利範圍第21項之無線通信網路，其中該無線通 36 1285043 信網路為一網格型網路。
TW094116799A 2004-05-27 2005-05-23 Wireless communication method and system for forming three-dimensional control channel beams and managing high volume user coverage areas TWI285043B (en)

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