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TWM246927U - Wireless communication WTRU and system with controlled WTRU peer-to-peer communications - Google Patents

Wireless communication WTRU and system with controlled WTRU peer-to-peer communications Download PDF

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Publication number
TWM246927U
TWM246927U TW092217592U TW92217592U TWM246927U TW M246927 U TWM246927 U TW M246927U TW 092217592 U TW092217592 U TW 092217592U TW 92217592 U TW92217592 U TW 92217592U TW M246927 U TWM246927 U TW M246927U
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Taiwan
Prior art keywords
peer
wtru
communication
wireless
mode
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TW092217592U
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English (en)
Inventor
Gautam G Reddy
Prabhakar R Chitrapu
Leonid Kazakevich
Teresa Hunkeler
Arty Chandra
Original Assignee
Interdigital Tech Corp
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Publication of TWM246927U publication Critical patent/TWM246927U/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/023Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009Transmission of position information to remote stations
    • G01S5/0018Transmission from mobile station to base station
    • G01S5/0027Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Small-Scale Networks (AREA)

Description

M246927 五、創作說明(l) 〔創作領域〕 本創作申請案係有關於具有受控傳輸及接收 (WTRU)點對點(peer—t〇—peer)通信之無線通信系 統0 〔創作背景〕 無線通信系統係熟習本 一般而言,這類無線通信系 無線通信系統間傳輸及接收 糸統之類型’通信站通常會 地台(B S )或無線傳輸及接 動單元。 創作技術領域之人士所習知。 統係具有通信站,藉以在各個 無線通信信號。根據無線通信 具有下列兩種類型,亦即:基 收單元(WTRU),其係具有行 在本創 不限於··基 或無線環境 (WTRU )能 另外, (WTRU )之 行動台、固 線環境之任 包括:個人 路連結之網 (WTRU )亦 助理(PDA ) :甲睛案中’基地台(BS)之用語係包括 土 :( BS )、B節點、位置控制器、存取點、 ί面I置’藉以使無線傳輸及接收單元 Ξ; r::r基地台叫之關連網路 2=請案中’無線傳輸及接收單元 定:ίi用戶ί不限於··使用者設備(ue )、 疋或订動用戶早元、傳哭斗、此私> 何類型裝置。益的扁认或此夠細作於無 通信裝置,諸:=及接收單元(_)係 際網路電話。另外電電話、及具有網 包括:可攜式個人計;mf收f元 t π衣置,諸如:個人& ,、有類似網路功能之無線數據機之筆記
M246927
ΐ,腦。再者,可攜式之無線傳輸及接收單元(WTRU 月匕夠任意改變位置之無線傳輸及接收 為行動單元。 )或 統稱 通常’在基地台(BS)網路中,各個基地台( :夠利用適當架構之無線傳輸及接收單元(WTRU)執同 二無線通#。其中,部分無線傳輸及接收單元⑺㈣δ 术構以直接在各個基地自(BS) 執行無線通信 :、 不經過基地.台(BS)以中繼至整個網路。通 二表 =為點對點(peer—10—peer)模式通信。另外, 妾收單元™)亦可以進行架構,藉以應用;: k具有網路基地台(BS)通信功能及點對點(peer—= P e e r )模式通信功能之複合網路。 已知’某種類型之無線系統,其亦可以稱為無線 ,二(wlan ),係進行架構,藉以利用配備無線區域^ ς an)數據機之無線傳輸及接收單元(WTRu)執行無 ,,並且,這些無線區域網路(WLAN) _幾亦可:利 具有類似配備之無線傳輸及接收單元(WTRU )執行點對 點(Peer—t〇—peer)模式通信。目前,無線區域網路 ,WLAN )數據機係由製造者整合於各種傳統通信裝置及計 异裝、置。舉例來說,行動電話、個人數位助理(pDA)、 及膝上型電腦係内建單一或複數無線區域網路(wlan )數 據機。因此,具有無線區域網路(WLM )數據機之這類無 線傳輸及接收單元(WTRU)間之無線通信需求便會與曰倶 增。舉例來說,配備無線區域網路(WLAN )數據機之個人
M246927 五、創作說明(3) 數位助理之第—佶用去i & (mn數據機之行=要無線區域網路 如:雪你健、、,;兒居之弟一使用者分享資料(諸 ,^ "、’、亚且’最好能夠不經過既有之電信網路。 路C A ΝΜ ί述及其他目白勺’具有單—或複數無線區域網 二ΑΜ取點,亦即:基地台(BS),之熱門無線區 =、,.罔^WLAN)環境通常係根據臓8G2nb標準加以建 ’這類無線區域網路(WLAN)之無線服務面積係 理,面積,俗稱為”熱門景點(hot spot)”。這類 二、在通#糸統最好係部署於各種位置,諸如:冑場、咖 及旅館,僅包括少數可能例子。另外,這類I線 路之存取通常會需要使用者之驗證程序。目前,這 卞二,通彳§糸統之協定係定義於無線區域網路(WLAN) =之各種相關標準内。已知,這類無線 疋係包括:IEEE.802家族之相關標準。 利用= :路(WLAN)&其他類型網路之無線通信係 二兩種币見方法加以實施’亦即:(】)基礎建設模式 通::以& (2)特別模式通信。第u圖係表示基礎建設 ί示意圖,其t ’各個無線傳輸及接收單元 (wm)係經由一個基地台(BS) 54進行無線通信,並 丄廷個基地台(BS)54係可以做為網路基礎建設16之一 點。如圖中所示,這個基地台(bs)54係可以與益 、·泉傳輸及接收單元(WTRU) 18、無線傳輸及接收單元 (WTRU) 20、無線傳輸及接收單元(fTRu 及接收單…RU)24 '及無線傳輪及接收單“二傳广
M246927
ϊ d:無線通信。在第1A圖中’各個無線傳輸及接收 作 )之間並不存在直接連接。另外,這些無線通 類同步係利用這個基地台⑻”4加以達成。這 夕茸士 糸統之架構亦可以稱為無線區域網路(WLAN ) 之基本服務集合(BSS )。 is _ t ^ t基礎建設模式通信,特別模式通信則可以不透 7、、·罔路基礎建設之使用。特別模式通信係利用點對點
P : t〇—peer )模式通信加以違成,並且,這類無線 統之架構亦可以稱為”獨立基本服務集合 一 。在特別模式中,兩個或複數無線傳輸及接收單 : 、U )係可以在彼此間建立直接連接,並且,可以不 而要透,另一個協調網路元件(亦即:基地台())之 使用第1 B圖係表不特別模式通信之簡單示意圖。另外, 這個網路基礎建設並不需要任何存取點。然而,一値基地 台(BS )亦可以利用特別模式通信之協定進行架構,藉以 做為點對點(peer—t〇—peer)模式通信之其他無線傳輸 及接收單元(WTRU)。在這種例子中,一個基地台(BS) 係可以做為另一個網路或網際網路之橋接電路或路由器。
‘ 個基地口 ( B S )確實加入特別模式通信之網路 時,這個基地台(BS )係視為另一個無線傳輸及接收單元 (WTRU ) ’並且,通常不會控制無線通信之流動。舉例來 說’第1 B圖係表示在特別模式通信之網路中、與無線傳輸 及接收單元(WTRU ) 18及無線傳輪及接收單元(MRU ) 20 進行無線通信之基地台(BS ) 54。在這種情況下,這個基
第10頁 M246927 地 台 BS ) 在特別 他基地台( (WTRU )卻 (WTRU ), 進行無線通 中,當無線 單元(WTRU 行無線通信 (WTRU ) 22 外 個 信時,這個 建設模式通 及接收單元 他無線傳輸 輸及接收單 (BS )亦需 元(WTRU) 啟動一 (WTRU )係 如:服務集 且,舉例來 傳輸及接收 無線傳輸及 並不會控制無線通信之資料流動。 模式通信之網路中,無線通信通常會受限於其 BS ),但是,一個無線傳輸及接收單元 可以經由第三者無線傳輸及接收單元 輕易地與另一個無線傳輸及接收單元(WTRU ) ^ 舉例來說’如第1 B圖所示,在特別模式 傳輸及接收單元(WTRU ) 22及無線傳輸及接收 ·) 2 4同時與無線傳輸及接收單元(w τ r。)2 6進 柃’無線通信係發生於無線傳輸及接收單元 及無線傳輸及接收單元(WTRU ) 24之間。另 無線傳輸及接收單元(WTRU )進行特別模式通 無線傳輸及接收單元(WTRU )通常會忽略基礎 ^之基地台(BS )傳輸。另外,一個無線傳輸 (WTRU )亦需要啟動特別模式通信,藉以使直 及接收單元(WTRU)得以加入。當這些無線^ 兀(WTRU )加入特別模式網路時,其他基地台 要吸收(a s s 1 m i 1 a t e )這些無線傳輸及接收單 之操作參數資訊。 特別杈式通信網路之無線傳輸及接收單元 選擇這個特別模式通信網路之操作參數,諸 ^識別碼(SSID )、頻道、及信標時序,並 1,在化標吼框中傳輸這些參數資訊。當無線 單元(W T R U )加入特別模式通信網路時,這些 接收單元(WTRU)便會吸收(assimilate)對
第11頁 M246927 ------- 五、創作說明(6) j =作參數。在基礎建設模式通 矛力集合識別碼(SSID)) 多數(诸如··服 (BS )之 h 带疋利用連接網路基地台 j之—個網路控制器加以指定。 ^ σ 在~種基於IEEE 802之系絲φ,、- μ (SSID )可以是一個32字元^獨=服務集合識別碼 區域網路(WLAN) <傳送封包表::ρ::,-無線 及:::元(WTRU)嘗試連接一;:⑽線傳輪 一獨立基本,服務隼人ίΚςς、d士 _ 奶木口 )或 (S SID ) φ -Γ 、口 卞,這個服務集合識別碼 ^足2 做為密碼。這個服務集合識別碼⑽!)) 某個特,藉以使嘗試連接 η成夠使用相同之服務集合識別碼(ssid)。因 除非將無法加入某個特定基本服務集合(BSS), 夠提供對應之獨特服務集合識別碼 在種基於IEEE 802之系統中,當不止一個盔線傳於 :^單元(W則逐漸成為部分特別模式通信網路:輪 無線傳輸及接收單元(WTRU )便會將工作隨機分 j個無線傳輸及接收單元(誦),藉以分擔信標訊;: 之傳达負擔。已知,部分演算法,諸如:發言人選舉演算 法:poke sman election algorithm),係可以指定,葬 以遥舉某個裝置做為特別模式通信網路之主控基地台 (BS)(亦即·偽基地台(bs)),相對於此,其他梦罢 則是從屬基地台(BS )。 、 第12頁 M246927 五、創作說明(7) 然而,開放之特別模式通信網路卻常會出現基本上只 能夠自行控制之各種問題。舉例來說,當大量無 接收單元(WTRIO擁塞於狹小區域時,相互干擾便會日U 增加,進而降低所有無線傳輸及接收單元(以㈣ 女 理能力…卜’當過量之特別模式通信之無線裝置 某個熱門景點之區域時,其係經由某個無線 κ ; (WLAN )之基地台(BS )提供服務,所有這類二、 線通信亦會·受到妨礙,因為各種無線通信模、=二之無 率、頻道、及可用頻寬資源之限制。 、工为八有頻 再者,開放之特別模式網路亦會呈有 即:這種開放之特別模式通信網路可能备麥塑點,亦 ” WLAN)經營者之商業模型。本案創;“刻、:::網 右點對點(peer — to ·~Ρ66Ι·)模式通信之 ^ , 沒有總體控制及監視之情況下開 信在 (WLM)經營者將會因為無法對無線區域: 基礎建設進行收費、但卻仍然必須 j AN )之 _ (WLAN)之基礎建設(即使並非應用於網路 線通信),而造成大量之營孝士土凌建认杈式之無 主要目的便是提供—種混有=此’本創作之 (Peer-to-peer )措式通信係可以制:對點 另外,本案創作人亦深刻 工制及/或監視。 亦可能會達到其他各種優點。 ’、化種混合操作模式 輸及接收單元(WTRU )將矸η义、,一個行動無線傳 域,其中,無線網路通作可能=f信號品質極差之區 仏叮此疋斷斷續續的,或者,無線
第13頁 M246927
網路通信可能根本不復存在 線傳輸及接收單元(WTRU ) 以將無線通信中繼至另一個 (WTRD ),其係直接與某個 信0 。在這種情況下,本創作之無 便可以利用混合操作模式,藉 無線傳輸及接收單元 網路基地台(BS)進行無線通 線傳輪及 一無線網 線傳輪及 )模式通 收發元件 式,藉以 及,選擇 模式,藉 〔創作概述〕 本創作,係包括一種應 之系統,其可以同時具有 信之操作模式。 根據本創作,一種無 由網路基地台(BS )以在 信’以及,與其他這類無 點對點(P e e r — t 〇 — p e e r 收單元(WTRU )係包括: 操作於一基礎建設通信模 進行基礎建模式通信,以 (peer—to—peer)通信 收單元(WTRU )進行點對 信。這些收發元件係可以 據機’藉以與其他無線傳 點(peer —to — peer )通 另外,這種無線傳輪 收發控制器,其係基於與 接收單元(WTRU )係經 路中進行基礎建模式通 接收單元(WTRU )進行 信。這種無線傳輸及接 ’其係架構以選擇性地 與一網路基地台(BS ) 性地操作於一點對點 以與其他無線傳輸及接 具有 輸及接收 信。 及接收單 一網路基 用無線傳輸及接收單元(WTRU ) 特別模式通信及基礎建設模式通 點(peer -to —peer )模式通 線區域網路(WLAN )數 單元UTRU )進行點對 元(WTRU )亦包括:一 地台(BS )連結之基礎
M246927 五、創作說明(9) 建模式通信所接收之通信信號,架構以選擇性地控制該無 線傳輸及接收單元(W T R U )與其他無線傳輸及接收單元 (WTRU )間之點對點(peer — to — peer )模式通信。較佳 者,這個收發控制器係架構以控制這些收發元件,藉以基 於服務品質(QoS ).準則,切換於基礎建設模式通信及點 對點(peer—to—peer)模式通信之間。 較佳者,該收發控制器係利用點對點(peer _ t〇 一 Peer )模式’通信選定之預設控制上限加以架構,其係可以 基^ f結一網路基地台(BS )之基礎建模式通信所接收之 通L #號加以支配。另外,該收發控制器選定之點對點 (Peer — t〇—Peer )模式通信之預設控制上限係可以包 括·點對點(peer—t〇—peer)模式通信之一最大周期, 刑點^點(Peer~t〇—Peer)模式通信之容許資料流 ί:、鱼ί 一相關限制。或者,該收發控制器亦可以架構以 =二網路基地台(BS)之基礎建模式通信所接收之 口又疋’控制各個點斟 ▲ u對點(peer — to — peer )模式通信。 元 =$ ,忒無線傳輸及接收單元(WTRU )係一行動單 =,Ξ::该收發控制器隨後係架構以控制該等收發元 礎建^、i二^ ^仃動單元之地理位置之—預測,切換於基 間。在這種情、、兄ί 2點(peer—t0—peer)通信模式之 能夠包括!! 無線傳輸及接收單元(wtru)最好 元之地理位:ΐ球定位系統(GPS),用以產生該行動單 地理位置之該預測。 車交 4圭 ,该寻收發元件亦可以架構以選擇性地作用於
M246927
傳遞杈式’ ϋ以在經由基礎建設通信模式之一網路基地 二由點對點(Peer—to—peer)通信模式之另一無線 傳輸及接收單元(WTRU)間傳遞一無線通信。在這種情況 下,該收發控制器最好係架構以基於服務品質(QoS)準 則,控制該等收發元件以作用於該傳遞模式。 另外,一無線區域網路(WLAN)數據機係可以用來與 其他無線傳輸及接收單元(WTRU)進行點對點(peer—t0 — peer )模·式通信。較佳者,該無線傳輸及接收單元 (WTRU )之收發元件係基於服務品質(Q〇s )準則,切換 於基礎建設通信模式及點對點(peer_t〇—peer)通信模 =之間。另外,這種方法亦包括:基於該無線傳輸及接收 單το ( WTRU )之地理位置之一預測,將該等收發元件切換 於基礎建設通信模式及點對點(peer—t〇—peer)通信模 式之間,其中,該無線傳輸及接收單元(WTRU )係一行動 單元。在這種情況下,該無線傳輪及接收單元(WTRU )最 好具有一全球定位系統(GPS),用以產生該行動單元之 地理位置之該預測。 另外,本創作亦提供一種無線網路,其係提供連結多 模式無線傳輸及接收單元(WTRU )之受控無線通信,如先 前所述。這個無線網路係包括:至少一基地台(BS ),具 有一收發器,其係操作於與多模式無線傳輸及接收單元 (WTRU )連結之一基礎建設通信模式。另外,這種無線網 路亦具有一控制器,其係經由與一無線傳輸及接收單元 (W T R U )連結之基礎建模式通信,選擇性地控制控制信號
第16頁 M246927 五、創作說明(11) 之傳輸。較佳者,這個控制器係經由與一益 單f _纟結之基礎建模式通信,選擇 k谠之傳輸,精以基於服務品質(Q0S)準則,工1 礎建設通信模式及點對% f t 、 換於基 間。 认、,,占對點(Peer-t〇ieer )通信模式之 當這些無線傳輸及接收單元(WTRU)具有預 :艮日寸,這個網路控制器最好係架構以提供支配控制J, 配點,對點(peer—t〇—peer)模式通信之預υ 無線傳輸及接收單元(WTRU)控制上限。;
(WTRU) (WLA~N;';J 機,精以與其他無線傳輸及接收單元(WTRU )進行點對點 Peer—to—Peer)模式通信時,這個網路控制器係架構 由連結一無線傳輸及接收單元(WTRU)之基礎建設模 2信’選擇性地控制控制信號之傳輪,#以控制這個盔 線傳輸及接收單元(WTRU )與其他無線傳輪及接收單元… (WTRU)間之點對點(peer—t0_peer)模式通信。 士當至少部分無線傳輸及接收單元(WTRU )係彳^動單元 時’這個控制器最好係架構以經由與一行動單元連結之基 ,建模式通信,選擇性地控制控制信號之傳輸,藉^基ς =個行動單元之地理位置之一預測及/或擁塞狀態之一預 二’控制這個行動單元以切換於基礎建設通信模式及點對 'peer —to —peer)通信杈式之間。在這種情況下,這 路可以具有一處理元件,其係基於這個行動單元之傳 輸接收,用以產生這個行動單元之地理位置之一預測。另
M246927 五、創作說明(12) 外,這些無 包,藉以產 選定之 peer )模式 係基於這個 較佳者,點 期,以及, 料流量類型 -peer )模 熟習此 當能夠輕易
線傳輸及接收單 生擁塞狀態之一 預設控制上限係 通信。在這種情 網路基地台(BS 對點(p e e r — t 〇 點對點(p e e r — 之一相關限制亦 式通信之預設控 創作領域之人士 瞭解本創作之其 ^ (WTRU 預測。 可以用於 况下,這 )之傳輪 〜peer ) t〇 ~Peer 可以包含 制上限。 ,經由下 他目的及 亦可以傳送測試封 點對點(peer — to — 些預設控制上限最好 控制信號加以支配。 模式通信之一最大周 )模式通信之容許資 於點對點(p e e r — t 〇 列說明及所附圖式 優點 〔較佳實 本創 號係表示 元(WTRU 所述。本 數網路基 (WTRU ) 動單元, 些行動單 理覆盍範 根據 種點對點 施例之詳細 作係配,所附 類似之元件 )、及行動 創作係提供 地台(BS ) 之無線存取 亦即:行動 元進入及/ 圍時。 本創作,無 (peer —to 說明〕 圖式詳細 。基地台 單元之用 一種無線 ,藉以提 服務。另 無線傳輸 或前進至 線傳輸及 ~ peer ) 說明, (BS ) 語係具 存取網 供無線 外,本 及接收 個別基 接收單 通信模 其申,類似之圖式符 、無線傳輸及接收單 有廣泛意義,如先前 路,其具有單一或複 傳輸及接收單元 f作係特別適別於行 單元(WTRU),當這 地台所提供之個別地 元(WTRU )係利用一 式加以架構,並且,
第18頁 M246927 五、創作說明(13) 取好疋旎夠配備無線區域網路(WLAN )數據機,萨 =配備^無線傳輸及接收單元()間進行直接之次邻 =換。2些無線傳輸及接收單元(WTRU )係可以具有二二 合式或文裝式之無線區域網路(WLAN )裝置,諸如 ^
802 (b ) (WiFi )戋誃穿相十狀翠 # . /rb t IEEE 線通信。然而,間進行無 點 本創作之方法亦可以適用於任何實施點對 △ (BS)之4信模式、並具有至少—網路基地 口 〔 )之、無線系統。 舉例來說,請參考第2圖’第一使用者31係利用 :之02. 11 (b )無線區域網路(WLAN )卡35,操作 …、線傳輸及接收單元(WT R Π、Q Q ^ L· · +J. ^7 7 5MPaeket PC ) 33诸如·封包個人電腦類 mcket PC—type)之電話裝置。這個無線傳 Ϊ::2(7™ί 33係可以經 線3 [=個無線傳輸及接收單元(WTRU) 33係經由天 垃,稭以與14個基地台25進行射頻(RF )信號之傳送及 ^這個封包個人電腦類型(Packet Pc_type)傳之、及 =I置33,誠如典型電話裝置,係包括一電話薄38之 厚〇 、 ^另外,如第2圖所示,第二使用者35係利用内建式之 =型裝置(其具有内建式8〇211 (b)無線區域網路 ) 36 ) ’操作第二無線傳輸及接收單元(WTRU ) q ,諸如·仃動電話。這個無線傳輸及接收單元(WTRU ) =可以經由天線39傳送及接收之信號,藉以與無線電信 、、’ 27進行連接。第二使用者35可能會想要與第一使用者
M246927 五、創作說明(14) 31父谈’或者,可能會想要存取或複製第一盔 收單元™ )33之電話薄38。由於無線傳輸及:單元 (WTRU ) 38、37均具有一個無線區域網路(WLAN )數墟 機,並且,亦同時具有一電話網路界面,因此,第一使用 者31及第二使用者35便可以利用8〇211 (b)無線網路、 或利用這個無線電信網路27,進行彼此間之點對點(peer 10、e r )核式通信4 〇。因此,本創作便需要決定欲使 用之通信模.式類型。 美礎ίΐίί線傳輸及接收單元(WTRU)間之無線通信由 點大量電信網路資源,進而實現服=量 無線傳輪及二eH —peer)1支術之決定可以利用這些 個無線=i::?(WTRU)決定’但是,亦可以利用這 素。舉例外,這個決定可能會考量各種因 (WTRU )刀、* —、s / /、疋因素係這些無線傳輸及接收單元 (QoS) 。1 一之網路基地台(BS)間之服務品質 (Q〇s)係1 =疼==言,做為決定因素之服務品質 定,包括r益線5V/、義,並且,可以利用數個準測決 目前,經由行動網i功率以,或通信成本。 、罔路之無線通信可能會大於經由家庭
M246927 創作說明(15) 或辦公室區域網路之無線通信,但是,這類區域網路 可能會具有變動之成本因素。較佳者,本創作之較卢j亦 例係設定一個服務品質(QoS )臨界值,藉以在最低I施 之無線通信下,得到想要之無線信號品質。當考量功 耗時,其係直接相關於行動無線傳輪及接收單元(/肖 之電池壽命,想要之無線信號品質,其係做為觸發作 切換無線通信,可能會因為相對之成本因素,隨著;^ 乂 域網路及特別模式網路有所不同。另外,當一個無二 及接收單元(WTRU)係做為另一個無線傳輸及接收單=輸 (WTRU )模式通信之中繼時,這個無線傳輸及接收單元 (WTRU )之收發控制裔之臨界值亦可以調整,舉例來說, 基於弓利用電池壽命及無線傳輸及接收單元(WTRU ) 通信之目前狀態。 $ 另外,設定服務品質(Q〇S )臨界值之另一種準測可 貪^無線通信之類型,舉例來說,第一使用者31及第二使 間之語音通信,或者,無線傳輸及接收單元 粗#RU ) 33至無線傳輪及接收單元(WTRU ) 37之電話薄資 ;輸。在部分較佳實施例中,基於是否可以利用單一或 ^種it彳'類型,本創作亦可以設定不同之服務品質 』,〇 臨界值。視訊遊戲之通信係表示另一種通信類 八服務品質(Q〇S )臨界值可以設定以優先使用點對 ”、、(peej 〜t〇 —peer )模式通信。 (SDU在)第三代合作計畫(3GPP )系統中,服務資料單元 之大小及優先順序亦可以用於其他參數及準測,
第21頁 M246927 五、創作說明(16) 藉以決定服務品質(QoS )之決定因素臨界值。另外,其 他蒼數亦可以包括最大、平均、及支援資料速率;資料延 遲;延遲變動;及封包錯誤。 再者’可以用來決定服務品質(Q 〇 S )之決定因素臨 界值’藉以切換於點對點(p e e r — t 〇 — p e e r )技術或基礎 建没網路通信間之另一種可變準測係包括:個別基地台 (BS )間之距離。配備有全球定位系統(Gps )之無線傳 輸及接收單·元(WTRU )將可以提供這類資料。或者,距離 資Λ亦可以經由已知之定位技術得到,諸如:到達時間差 異(TD0A )、或適應性天線技術,其中,至少有—固定點 係已知,諸如:基地台(BS )天線之位置。較佳者,各種 準則之組合係加以利用,其係包括:在可接受數 内’維持無線信號之品質。 再者,可以用來決定服務品質(Q〇s)之決定因素臨 ^烟,以切換於點對點(peer—10—peer)技術或基礎 ί::!通信間之另一種可變準則係包括:單-或複數網 ?=:(BS)服務之特定地理區域之通信流量。特別 =上(pee卜tQsPeer)之信號發送量最好能夠具 I猎以避免無線區域網路(WLAN )之相互干擾。 在特定地理區域之通作流詈夕丄A ^ 及接收單元(WTRU)傳2 :之決疋可以利用無線傳輸 試擁塞狀況,亦即:相互干擾 路;(BS)以測 = + (peer— 0〜peer)模式通信之切換決定可以 至y基於這類測試封包所得到 、、 吓行巧之相互干擾程度。隨後,各
第22頁 M246927 五、創作說明(17) 個無線傳輸及接收單元(WTRU )俑可祕止丨 -toieed 式通信之切換=點對點/咖 之網路之設定臨界值。有鑑於此::::於服務该區域 前流量負載做為一種準則,藉以、,”:路便可以利用目 值。當流量負载改變時,這心路 ===之臨界 隨著改變。服務相關地理區域之::;二界值亦可能會 這些新臨界值經由大氣界面廣播二=,隨後,會將 元細K,藉以提供無線傳:線傳輸及接收單 發控制器使用。 寻輸及接收早-(WTM)之收 一二係式表二種:來路= 服務區域,於各種障r:r°5射之:(:=^ (BS ) 40 6 - ^ ^ ^ ^4〇7 地理區域4〇1、403,藉以使這些區域成為二月艮^疋之 (BS) 40 6之網路基礎建模式通信之"熱門Ϊ點,' 即口使夫 利用光束成形天線407,這些區域401、4 'y ρ使未 區域,由於這些干涉障礙,亦可能是 /、未阻礙 受無線信號品質之少數區域。在這類網:;=务中之: 於障礙區& (諸如:牆面40 8 )之一個 元(WTRU ) 402可能無法與無線電信m接收早 模式通信,而另一個無線傳輸及接收單二 建設 其係與基地台(BS )天線407大約等距離, 電信網路405進行基礎建設模式通信。另外,一個障礙線
第23頁 M246927 M246927
五、創作說明(18) 物,諸如:無線傳輸及接收單元(WTRU ) 410及無線傳輪 及接收單元(WTRU ) 402間之牆面4 08,亦可能成為特別"網 路模式通#之阻礙。利用習知系統,無線傳輸及接收單元 (WTRU ) 402,當位於第3圖所示之位置時,將無法與無線 傳輸及接收單元(WTRU ) 410進行任何模式之無線通信'。' 然而’利用本創作之混合模式,無線通信則可以利用無線 傳輸及接收單元(WTRU ) 404做為中繼。 " 由於無·線傳輸及接收單元(WTRU) 402並沒有位於與 無線網路4 0 5能夠直接進行基礎建設模式通信之地理位
置’因此’當這個無線傳輸及接收單元() 402想要 與無線傳輸及接收單元(WTRU) 41〇進行無線通信時了這 個無線傳輸及接收單元(WTRU ) 4 〇 2必須傳送一信標信號 以表示與這個無線傳輸及接收單元(WTRU ) 4丨〇之識別石馬b 建立特別模式通信之請求,藉以首先嘗試直接與這個盔 傳輸及接收單元(WTRU) 41〇建立特別模式通信。由於. 礙牆面408之存在,這種嘗試,在第3圖之情況下,將备 ^。這種通信失敗可以利用預定次數之連接失敗來表二。 紋後,這個無線傳輸及接收單元(WTRU) 4〇2便可以切換
合模式。根據使用者偏好,這個無、線傳輸及接收單元 (11 ) 402可以架構以自動發生這個切換動作,或者, 經由使用者之介入。 根據本創作之較佳實施例 广 J,這個無線傳輸及接收單元 行美礎建ιΥΛ·送一個信標信號以表示請纟與目前執 饤基礎建叹杈式通#之無線傳輪及接收單元(WTRU)建
第24頁 M246927 五、創作說明(19) 連接之參數,以及表示這個無線傳輸及接收單元(wtru 識別碼以搜尋通作之一個失齡 姻故個芩數,進而啟動一混合特別模式 個混合特別模式網路之無線傳輸及接收單 、,, i a經由基礎建設模式連接,將識別碼參數傳 ϋ廷個無線網路’其接著會嘗試與識別之無線傳輸及接 收早凡(WTRU )建立基礎建設模式通信。 在第3圖所示之例子中,無線傳輸及接收單元 j WTRU ) 40?係與無線傳輸及接收單元(WTRU ) 4〇4啟動一 混合1別模式網路,其係經由與基地台4〇 6之基礎建設模 式通信,將無線傳輸及接收單元(WTRU) 41〇之識別碼傳 遞至網路4 0 5。隨後,這個網路4 〇 5便會利用習知方式,經 由基地台或關連網路,嘗試與識別之無線傳輸及接收單= (WTRU )進行通信,如習知技術所示。在第3圖所示之例 =中’由於無線傳輸及接收單元(WTRU ) 410係位於基地 口 ( BS ) 4 0 6之熱門景點,因此,網路4 5將會發現無線傳 輸及接收單το (WTRU ) 410,並與無線傳輸及接收單元 (WTRU ) 41 0建立基礎建設模式通信。無線傳輸及接收單 兀(WTRU ) 402及無線傳輸及接收單元(WTRU ) 410間之通 信主體係利用無線傳輸及接收單元(WTRU ) 4〇4做為中 繼’同時利用特別模式通信及基礎建設模式通信進行傳 送’其中’無線傳輸及接收單元(WTRU ) 4〇4會視情況需 要’在這兩種通信模式間適當地轉換主體通信資料之協定 及格式。較佳者,,架構為混合模式通信之所有無線傳輸及 接收單元(WTRU )均會具有適當之轉換處理電路,並且,
第25頁 M246927
第26頁 M246927 五、創作說明(21) 路進行無線通信時,這類铜收 這類無線傳輸及接收單元、、==制係啟動狀態。較佳者, 之"主控"益線傳^。)係、稱為特別模式網路 快"杜Γ " 輸及接收早元(WTRU),其可以將”主 拴私疋由未與控制網路進行通俨之、 單元(WTRU )平均至另一個特° 動」、、、、、泉傳輸及接收 收單元(WTRU)。隨後,這個"/:,,==線傳輸及接 :連in ΐ易將特別模式網路之統計資料,諸 f接長·度、連接無線傳輸及接收單元(WTRU)之$別 碼、連接類型等等,回報給控制網路^ UTRU)之識別 (wTR^nti特別模式通信之無線傳輸及接收單元 元ατκϋί係,這個網路可以利用無線傳輸及接收單 ΐ J:為網路資源’進而增加整體之網路通信容 :線通俨日:當之;線傳輸及接收單元(WTRU)亦與網路進行 Γ,廷個網路亦可以針對特別模式服務或加強服 務進仃追蹤及/或收費。 $肌 ::路監視特別模式通信準測(諸如:無線信號品質 益績ΐ二線傳輸及接收單元(WTRU)分開距離)時,若兩 1^傳輸及接收單元(WTRU)係位於網路基地台(BS)之 =2,如第2圖所示,則這個網路亦可以將兩個無線傳 單元(WTRU)間之通信由特別模式通信切換至基 ^ °又杈式通信。當組合網路能力以監視整體通信流量 日:^這個網路選擇性切換無線傳輪及接收單元(WTRU )通 信模式之能力便可以提供一種有效配置網路資源之工具, 亚且’維持個別通信之想要無線信號品質。
第27頁 五、創作說明(22) 這類混合及受控特別模式係 ^ 及接收單元(WTRU )之無線區祕寺別適用於配備無線傳輪 1£££ 802.1 1技術以執行點對/網路(乳^),其係利用 通信,但是,亦可以利用1他l(rer—t0_peer)模式 川他類型點對點(peer —to〜 peer )換式通乜系統之無線傳輸及接收單元(wtru )。 外,這種控制網路亦可以根據IEEE 8〇211b標準,架構為 利用基礎建設模式存取點基地台(BS )之無線區域網路' (WLAN )。”然而,本創作亦可以實施於各種無線通信網路 系統’諸如:分時雙工(TDD )或分頻雙工(FDD )無線電 話系統’其中,與網路基地台(BS )進行通信之無線傳輸 及接收單元(WTRU)亦能夠執行點對點(peer—t0 —
Peer )模式通信。
第28頁 M246927 圖式簡單說明 第1 A圖係表示一種通信系統之簡單示意圖,其係操作於 種基礎建設網路操作模式。 第1 B圓係表示一種通信系統之簡單示意圖,其係操作於 種特別網路操作模式。 第·2圖係表示一種通信系統之簡單示意圖,其係操作於一 種允許兩個無線傳輪及接收單元(WTRU )及一個基地台 (B S )之混合模式。 第3圖係表示一種通信系統之簡單示意圖,其係操作於一 種允許數個無線傳輪及接收單元(WTRU )、一個基地台 (BS)、及各種障礙物之混合模式。 元件符號說明: 16 網路基礎建設 1 8、20、22、24、26 輸及接收單元(WTRU 2 7 無線電信網路 34 、 39 、 407 天 3 5 第二使用者 400 網路環境 4 0 5 無線電信網 411 辦公大樓 36 線 25 、54 、40 6 基地台(BS ) 37、402、404、410 無線傳 31 第一使用者 33 電話裝置 38 電話薄 401、403 地理區域 40 9 房屋
第29頁

Claims (1)

  1. M246927 六、申請專利範圍 關限制。 3. 如申請專利範 (WTRU ),其中 (WLAN )數據機 (WTRU )進行點 4. 如申請專利範 (WTRU ),其中 件,藉以基於服 4吕模式及點對點 5. 如申請專利範 (WTRU ),其中 動單元,並且, 件,藉以基於該 礎建設通信模式 間。 6. 如申請專利範 (WTRU ),更包 一全球定位 理位置之該預測 7. 如申請專利範 (WTRU ),其中 一傳遞模式,藉 台及經由點對點 傳輸及接收單元 圍第1項所述之無線傳輸及接收單元 ’該等收發元件係包括一無線區域網路 ,藉以與其他無線傳輪及接收單元 對點(peer—to~peer)模式通信。 圍第1項所述之無線傳輸及接收單元 ,該收發控制器係架構以控制該等收發元 務品質(Q 〇 S )準則,切換於基礎建設通 (peer—to—peer)通信模式之間。 圍第1項所述之無線傳輸及接收單元 ,該無線傳輸及接收單元(WTRU )係一行 該收發控制器係架構以控制該等收發元 行動單元之地理位置之一預測,切換於基 及點對點(peer—to〜peer)通信模式之 圍第5項所述之無線傳輸及接收單元 括: 系統(GPS ) ’用以產生該行動單元之地 〇 圍第1項所述之無線傳輸及接收單元 ’該等收發元件係架構、以選擇性地作用於 以在經由基礎建設通信模式之一網路基地 (Peer—to—peer)通信模式之另一無線 (W T R U )間傳遞一通信,並且,該收發控
    M246927 六、申請專利範圍 制器係架構以基於服務品質(QoS )準則,控制該等收發 元件以作用於該傳遞模式。 8.如申請專利範圍第1項所述之無線傳輸及接收單元 (WTRU ),其中,該收發控制器係架構以基於連結一網路 基地台(BS )之基礎建模式通信所接收之設定,控制各個 點對點(p e e r — t 〇 — p e e r )模式通信。 9 .如申請專利範圍第1項所述之無線傳輸及接收單元 (WTRU ),其中,該收發控制器係利用點對點(peer - to -peer )模式通信選定之預設控制界限而加以架構。
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