TW452656B - Provisioning of GPS assistance data in a WCDMA network - Google Patents

Provisioning of GPS assistance data in a WCDMA network Download PDF

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Publication number
TW452656B
TW452656B TW088121442A TW88121442A TW452656B TW 452656 B TW452656 B TW 452656B TW 088121442 A TW088121442 A TW 088121442A TW 88121442 A TW88121442 A TW 88121442A TW 452656 B TW452656 B TW 452656B
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Taiwan
Prior art keywords
mobile
user terminal
network
terminal
mobile user
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TW088121442A
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Chinese (zh)
Inventor
Jan L Kransmo
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Ericsson Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
    • G01S19/071—DGPS corrections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

A method of provisioning differential GPS (DGPS) assistance data (58, 59) over a WCDMA wireless communication network (10) to facilitate positioning of mobile communication devices (12, 20). The method comprises providing differential GPS assistance data over a dedicated physical data channel (DPDCH) and/or a dedicated physical control channel (DPCCH). The mobile communication terminal has an integrated GPS receiver and can comprise of cellular or PCS telephony handsets, a mobile computer, TDAs, etc. The present invention facilitates a mechanism for providing the DGPS assistance data to achieve positioning of the mobile communication device accuracy down to about 5 meters.

Description

/15 A7 B7 經濟部智惡財產局員工消旁合作社印製 五、發明説明（1) 發明領域 廣義而言’本發明與無線通訊網路有關，更明確地 說，與用以機動定位之寬帶分碼多路接取（WCD第 三代（3G)網路有關。 發明背景 包括固定式無線與細胞式機動通訊網路的盔 網路不斷在發屐。現已有數種技術提供無線通訊，包括 CDMA、TDMA、GSM、AMPS及D-AMPS。世界各地都 在持續i㈣設這些網路。遍及世界雜多設備供應商都 在製造这些不同的系統，典型上都要透過標準組織以確 保各網路間的互通性與相互操作性。 當無線通訊網路步入下個世紀，目前所知正在發展 的新無線網路是寬帶分碼多路接取（WCDMA)式的第三 代（3G)網路。這些第三代無線系統漸漸為FPLMNs實 現。 目月i有一需要是提供在無線網路内之機動用戶的位 置。目前使用的技術是根據抵達時間差（TD〇A)，此種 技術的位置精確度大約18公尺。雖然此種精度在某些應 用中已足夠，且可以在現今的網路中實施，但對機動用 戶的定位需要更精確。需要一種用於定位的增進之機動 式定位法，同時不需增加網路的額外能力。目前仍在進 行發展，其技術正在被標準委員會商討，以決定機動站 (mobile station)的定位能達到多佳的解析度’特別是在 WCDMA式的3G網路中。 (請先閲讀背面之注意事項再填寫本頁) -· 訂 -線' • I I II · 本紙張尺度適用中國國家樣準（CNS ) M規格（2丨0X297公| ) 五、發明説明（2) 經濟部智慧財產局員工消費合作社印製 發明概述 本發明的技術優點是實現在WCDMA網路中的專用 實體資料通道（DPDCH)及/或專用實體控制通道 (DPCCH)上提供差分GPS輔助資料的方法◊經由在這些 通道上提供差分GPS輔助資料，在WCDMA式3G網路内 具GPS接收機的機動站，可以很精確地定出機動站的位 置，其精確度大約5公尺。 機動的使用者終端包括機動的細胞式機動站，諸如 PCS或細胞式電話，也包括電腦或PDA。 本發明的機動通訊終端包括無線通訊與提供服務之 無線通訊網路間交換的機制，以及接收專用實體通道（如 DPDCH或DPCCH)上之差分GPS辅助資料的裝置。機動 通訊終端的GPS接收機内還具有電路及軟體，用以決定 機動通訊终端的位置，它是此具有增進解析度之GPS輔 助資料的函數。 圖式簡單說明 圖1是包括WCDMA無線網路第三代系統之無線通 訊網路的方塊圖； 圖2是本發明的流程圖，在WCDMA的DPDCH或 DPCCH上提供差分GPS(DGPS)輔助資料，以支援在網 路中之機動站的差分GPS定位； 圖3的方塊圖是在DPCCH上所提供之差分GPS輔助 資料的一種格式； -4- '本紙張尺度適用中國國家標準（CNS ) M麟（21()><297公着) I - 訂I I Ji n (諳先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 Α7 Β7 五、發明説明（3) 圖4是在DPDCH上提供差分GPS輔助資料之本發明 另一實施例的方塊圖。 較佳實施例描述 圖1是本發明之較佳實施例的通訊網路1 〇方塊圖。 通讯網路1 〇最好是由無線電話網路構成’包括起點機動 站12，經由RF通訊耦合到提供服務的WCDMA起點網路 14。起點機動站12最好是由無線通訊裝置構成的無線機 動站。起點網路14可以耦合到傳送網路或通訊鏈16，它 可以是公共交換式電話網路（PSTN)，但也可以由其它 網路構成，如有需要，也包括光纖網路。傳送網路16所 介接與通訊的電氣信號包括起點網路14與終點網路18間 的數位化語音呼叫。終點網路18可以與起點網路14相同 或不同’且可以是AMPS、D-AMPS、TDMA、GSM以 及IS-95網路。為便於說明的目的，終點網路丨8也是 WCDMA網路。終點網路18經由RF鏈結耦合及服務終點 機動站20,它包括固定或機動站，諸如無線細胞式或pcs 用戶。機動站與網路也具有編碼解碼器，以提供在傳送 網路16上通訊之數位信號的編碼與解碼。 起點WCDMA網路14包括一基地收發站（BTS)30， 經由射頻（RF)與起點機動或固定站12鏈結，雖然為便於 說明及使圖面清晰在圖中只顯示一個站丨2，但每一個 BTS 30可以服務許多站1 2。起點網路14還包括無線電 網路控制器（RNC)32以及網路交換系統（NSS)34 e BTS與 RNC有時集合在‘一起稱為基地交換站（bss)。RNC 32在 本紙張尺度適用中國國家標準{ CNS ) Α4規格（210Χ297公釐） I I I ! I I 訂 ~~ I 線. (請先閲讀背面之注意事項再填寫本頁) 45265 0 A7 B7 五、發明説明（4) 多個BTSs 30與NSS 34間介接語音呼叫，雖然本發明為 說明目的在圖中只顯示一個BTS 30，但典型上RNC 32 是服務多個BTSs 30。同樣地，雖然本發明為說明目的 在圖中只顯示一個RNC 32，但NSS 34也是服務多個 RNCs 32。NSS 34包括本地位置暫存器（home location register, HLR)、機動定位節點及訪客位置暫存器（vistor location register，VLR)，其内包括及儲存目前被起點網 路14服務之所有站12的各種資訊。 終點網路18包括一BTS 40服務終點機動站20，典型 上是服務多個站20。終點網路18還包括RNC 42及NSS 44。終點網路18所使用的操作協定可以與起點網路14相 同，都是WCDMA網路，終點網路18也可以與起點網路 14不同，即起點網路是WCDMA，而終點網路可以是使 用 AMPS、D-AMPS、GSM、TDMA 或 IS-19協定的網路。 NSS 44包括HLR，以及用於暫存目前被終點網路18服務 之所有站20各種資訊的VLR。參考GPS接收機46將GPS 輔助資料定位資訊提供給各自的網路14及網路18，供本 發明的起點機動站12使用。 傳送網路16以PSTN為佳。起點NSS 34與終點NSS 44 在其上交換數位語音資料，以按脈碼調制（PCM)的格式 編瑪為佳，並以大約64kbps的資料率傳送。雖然PCM是 較佳的編碼格式，但本發明也可使用其它的編碼格式。 同樣地，本發明也適用64kbps以外的其它傳送速率。一 般來說，在傳送網路16上傳送的數位語音資料可以是任 何一種格式，只要與起點網路14及終點網路18相容並為 -6- 本紙張尺度適用中國國家標隼（CNS ) A4規格（210X297公釐） (請先閱讀背面之注意事項再填寫本頁) 訂 線 經濟部智慧財產局員工消費合作社印« 經濟部智慧財產局員工消費合作社印製 A7/ 15 A7 B7 Printed by the staff of the Intellectual Property Office of the Ministry of Economic Affairs, Co-operative Cooperative V. Description of the invention (1) Field of invention Broadly speaking, the present invention relates to wireless communication networks, and more specifically, to broadband analysis for mobile positioning. Code multiple access (WCD third-generation (3G) networks. Background of the invention Helmet networks including fixed wireless and cellular mobile communication networks are constantly evolving. There are several technologies that provide wireless communication, including CDMA, TDMA, GSM, AMPS, and D-AMPS. These networks are continuously being installed around the world. Various equipment vendors are manufacturing these different systems throughout the world, typically through standard organizations to ensure interoperability between networks. And interoperability. As wireless communication networks enter the next century, the new wireless network currently known to be developing is the Wideband Code Division Multiple Access (WCDMA) third-generation (3G) network. These first Three generations of wireless systems are gradually being implemented for FPLMNs. One need is to provide the location of mobile users within the wireless network. The technology currently in use is based on the time of arrival difference (TDOA), the position of this technology. The positioning accuracy is about 18 meters. Although this accuracy is sufficient in some applications and can be implemented in today's networks, the positioning of mobile users needs to be more precise. An enhanced mobile type for positioning is needed Positioning method, without the need to add extra network capabilities. It is still under development and its technology is being discussed by the standards committee to determine the best resolution for mobile station positioning, especially in WCDMA 3G network. (Please read the precautions on the back before filling out this page)-· Order-line '• II II · This paper size is applicable to China National Standard (CNS) M specification (2 丨 0X297) | 2. Description of the invention (2) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economics Summary of the invention The technical advantage of the present invention is that it is provided on a dedicated entity data channel (DPDCH) and / or a dedicated entity control channel (DPCCH) in a WCDMA network Method of differential GPS assistance data: By providing differential GPS assistance data on these channels, a mobile station with a GPS receiver in a WCDMA type 3G network can accurately determine the mobile station's Location, with an accuracy of about 5 meters. Mobile user terminals include mobile cellular mobile stations, such as PCS or cell phones, as well as computers or PDAs. The mobile communication terminals of the present invention include wireless communications and wireless services. The mechanism of exchange between communication networks, and a device for receiving differential GPS auxiliary data on a dedicated physical channel (such as DPDCH or DPCCH). The GPS receiver of a mobile communication terminal also has circuits and software to determine the position of the mobile communication terminal. It is a function of this GPS auxiliary data with enhanced resolution. Brief description of the drawing Figure 1 is a block diagram of a wireless communication network including a WCDMA wireless network third-generation system; Figure 2 is a flowchart of the present invention, DPDCH in WCDMA Or DPCCH provides differential GPS (DGPS) auxiliary data to support differential GPS positioning of mobile stations in the network; Figure 3 is a block diagram of a format of differential GPS auxiliary data provided on DPCCH; -4- ' This paper size applies Chinese National Standard (CNS) M Lin (21 () > < 297) by I-Order II Ji n (谙 Please read the notes on the back before filling Page) Ministry of Economic Affairs Intellectual Property Office employees consumer cooperatives printed Α7 Β7 V. description of the invention (3) 4 of the present invention is to provide a differential GPS assistance data on the DPDCH block diagram of another embodiment. DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 is a block diagram of a communication network 10 according to a preferred embodiment of the present invention. The communication network 10 is preferably constituted by a radiotelephone network 'and includes a starting point mobile station 12 which is coupled to a WCDMA starting point network 14 which provides services via RF communication. The starting point mobile station 12 is preferably a wireless mobile station composed of a wireless communication device. The originating network 14 may be coupled to a transport network or communication link 16. It may be a public switched telephone network (PSTN), but it may also be constructed from other networks, including a fiber optic network if required. The electrical signals interfaced and communicated by the transmission network 16 include digitized voice calls between the originating network 14 and the destination network 18. The destination network 18 may be the same as or different from the origin network 14 'and may be an AMPS, D-AMPS, TDMA, GSM, and IS-95 network. For illustrative purposes, the destination network is also a WCDMA network. The terminal network 18 is coupled and serves the terminal mobile station 20 via an RF link, which includes fixed or mobile stations, such as wireless cellular or pcs users. The mobile stations and networks also have codecs to provide the encoding and decoding of digital signals for communication over the transmission network 16. The starting point WCDMA network 14 includes a base transceiver station (BTS) 30, which is linked to the starting point mobile or fixed station 12 via radio frequency (RF). Although only one station is shown in the figure for ease of illustration and clarity, but Each BTS 30 can serve many stations 1 2. The originating network 14 also includes a Radio Network Controller (RNC) 32 and a Network Switching System (NSS) 34 e. The BTS and RNC are sometimes grouped together ′ and are collectively referred to as base switching stations (bss). RNC 32 applies the Chinese National Standard {CNS) A4 specification (210 × 297 mm) III! II order ~~ I line. (Please read the precautions on the back before filling this page) 45265 0 A7 B7 V. Description of the invention (4) Multiple BTSs 30 and NSS 34 mediate voice calls. Although the present invention only shows one BTS 30 in the figure for illustrative purposes, RNC 32 typically serves multiple BTSs 30. Similarly, although the present invention shows only one RNC 32 in the figure for illustrative purposes, the NSS 34 also serves multiple RNCs 32. NSS 34 includes a home location register (HLR), a mobile positioning node and a visitor location register (VLR), which includes and stores all stations 12 currently served by the originating network 14 Various information. The terminal network 18 includes a BTS 40 serving terminal mobile stations 20, typically multiple stations 20. The destination network 18 also includes RNC 42 and NSS 44. The operating protocol used by the destination network 18 may be the same as the origin network 14, which is a WCDMA network. The destination network 18 may also be different from the origin network 14, that is, the origin network is WCDMA, and the destination network may be used. AMPS, D-AMPS, GSM, TDMA, or IS-19. NSS 44 includes HLR and VLR for temporarily storing various information of all stations 20 currently being served by destination network 18. The reference GPS receiver 46 provides GPS assisted data positioning information to the respective networks 14 and 18 for use by the starting mobile station 12 of the present invention. The transmission network 16 is preferably a PSTN. The starting point NSS 34 and the ending point NSS 44 exchange digital voice data thereon, preferably in a pulse code modulation (PCM) format and transmitting at a data rate of approximately 64 kbps. Although PCM is the preferred encoding format, the present invention can also use other encoding formats. Similarly, the present invention is applicable to transmission rates other than 64 kbps. In general, the digital voice data transmitted on the transmission network 16 can be in any format, as long as it is compatible with the origination network 14 and the destination network 18 and is -6- This paper standard applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the notes on the back before filling out this page) Printed by the Consumer Consumption Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs «Printed by A7

SI 五、發明說明（5) 其所支援即可。 現請參閱圖2 ’圖中說明在50處將GPS參考接收機46 的差分GPS(DGPS)輔助資料經由傳送網路16提供給使用 者終端12的訊息流。如圖中的52所示，網路1 〇經由一節 點（例如BTS 32)在專用實體資料通道(DPDCH)或專用實 體控制通道（DPCCH)上，經由空氣介面將DGPS輔助資 料持續地提供給使用者終端12。 在54處’ RNC/核心網路34發送定位請求訊息，以 初始化使用者終端12的定位。接著，BTS/節點B 32反 應此訊息’將此訊息以定位請求訊息5 6向前送到使用者 終端12。 在58處’整合有GPS接收機的使用者終端π，它處 理網路1 〇所提供的DGPS輔助資料以決定位置，或按照 所熟知的技術協助使用者終端丨2使用GPS衛星資料定 位。差分GPS辅助資料可被處理以加速對先前得自gpS 衛星（未顯示）之資訊的搜尋，以決定使用者終端12的位 置’其解析度大約縮小到5公尺。使用者終端12以定位 反應訊息（positioning response message)58將使用者終端 12的目前位置提供給BTS/節點B 32，該訊息以定位反 應訊息59向前傳送到RNC/核心網路34。DGPS輔助資料 持續地在DPDCH或DPCCH上提供於空氣介面，以供未 來的使用需要。 使用者終端12可以包括許多種機動通訊裝置，包括 PCS及細胞式行動電話，配備有適當遠端存取電路的電 腦，以及PDAs。因此，本發明並不侷限於某特定類型 -7- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) Γ— , .^1 Ί^-a,，· I i n I r . I >^1 --1 [ - : n i .^1 45 265 6 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明（6) 的機動使用者終端12。而是本發明在WCDMa載波的 DPDCH及/或DPCCH上直接提供特定類型的差分Gps輔 助資料，可以將定位精度縮小到大約5公尺。位於 WCDMA使用者終端的整體式差分〇]?§接收機可以整合 到設備中，諸如嵌入機動站的手機内。此外，外部的pc 或PDA可以配置整體式差分GPS接收機，做為非常精確 的地圖工具，用來管理車隊等。 現請參閱圖3 ,圖中顯示在專用實體控制通道 (DPCCH)上將DGPS輔助資料提供給機動使用者ι2的一 種通訊格式。如圖所示，：〇1>(：：<：：1^的一個資料分封6〇是 由一個具有大約0.625毫秒之時框的資料段（sl〇t)所構 成。此資料分封60可以包括一個由n個位元所構成之前 導（Pilot)所構成的標頭（header)，一個傳送框指示器（TFI) 及一個傳送功率控制（TPC)。此資料典型上是用來控制 上鏈之機動站12的功率。 此資料分封60是構成一個框62之數個資料段中的一 個資料ί又，由數個資料段集合而成的框，其框時間大約 1◦毫秒。複數個框62構成一個超框（superframe)，超框 的持續時間大約720毫秒。 現仍請參閱圖3 , DGPS辅助資料典型上是由框62 内大約5個資料段60構成。不過，隨著標準的發展，提 供DGPS輔助資料所需的資料段數量可能會増加或減 少，且提供DGPS輔助資料之資料段所需的長度及數量， 在本發明中並無限制。 現清參閱圖4，圖中顯示本發明在專用實體控制通 本紙張尺度適用中國國家標準（CNS)A4規格（210 x 297公釐） k--------訂---------線 (請先閱讀背面之注意事項再填寫本頁) A7 Β7 五、發明說明（7) 道（DPCCH)70上提供DGPS輔助資料的另一實施例。每 一個資gfL分封70是構成框72之數個資料段中的一個資料 段。數個由這些資料段集合成的框72構成一個超框74。 在本實施例中，DGPS輔助資料是由大約4或5個資料段7() 提供，但並非暗指資訊的格式受此限制。 本發明的技術優點是透過WCDMA 3G無線通訊網 路的DPDCH或/及DPCCH提供差分GPS輔助資料給機動 的使用者，以協助機動的使用者定位。本發明所提供的 機制便於機動通訊終端丨2的定位能精確到大約5公尺。 使用者終端12配置整體式差分GPS接收機以便於機動裝 置丨2與WCDMA網路1〇間的通訊，此外，使用者終端12 也配置電路及軟體以便於機動終端丨2使用DGps輔助資 料定位。本發明包括一機制，於3G WCDMA系統中供 應資料，以提供非常精確的地圖工具，車隊管理等。 本發明雖然是以特定的較佳實施例描述，但熟悉此 方面技術之人士在閱讀過本申請案後，將可明瞭各種變 化與修改。由於習知技術包括所有此種變化與修改，因 此，所附申請專利範圍要做最廣義的解釋。 r A--------訂---------線 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員X消費合作社印製 本纸張尺度剌SI V. Description of Invention (5) It can be supported. Referring now to FIG. 2 ', the flow of information provided to the user terminal 12 via the transmission network 16 by the differential GPS (DGPS) auxiliary data of the GPS reference receiver 46 at 50 is illustrated. As shown at 52 in the figure, the network 10 continuously provides DGPS assistance data to the user via an air interface on a dedicated physical data channel (DPDCH) or a dedicated physical control channel (DPCCH) via a node (such as BTS 32). Person terminal 12. At 54 ', the RNC / core network 34 sends a positioning request message to initiate positioning of the user terminal 12. Then, the BTS / Node B 32 responds to this message 'and forwards this message to the user terminal 12 with the positioning request message 56. At 58 ', a user terminal π with a GPS receiver is integrated, which processes the DGPS auxiliary data provided by the network 10 to determine the position, or assists the user terminal 2 with GPS satellite data positioning according to well-known technologies. The differential GPS assistance data can be processed to speed up the search for information previously obtained from gpS satellites (not shown) to determine the position of the user terminal 12 'with a resolution reduced to approximately 5 meters. The user terminal 12 provides the current position of the user terminal 12 to the BTS / Node B 32 with a positioning response message 58, which is forwarded to the RNC / core network 34 with a positioning response message 59. DGPS assistance data is continuously provided on the air interface on DPDCH or DPCCH for future use. The user terminal 12 may include many types of mobile communication devices, including PCS and cellular phones, computers equipped with appropriate remote access circuits, and PDAs. Therefore, the present invention is not limited to a specific type -7- This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) (Please read the precautions on the back before filling this page) Γ—,. ^ 1 Ί ^ -a ,, I in I r. I > ^ 1 --1 [-: ni. ^ 1 45 265 6 Printed by the Consumers ’Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of Invention (6 ) 'S mobile user terminal 12. Instead, the present invention directly provides specific types of differential GPS auxiliary data on the DPDCH and / or DPCCH of the WCDMa carrier, which can reduce the positioning accuracy to about 5 meters. The integrated differential located at the WCDMA user terminal can be integrated into the device, such as a mobile phone embedded in a mobile station. In addition, an external PC or PDA can be equipped with an integrated differential GPS receiver as a very accurate mapping tool for managing fleets, etc. Please refer to FIG. 3, which shows a communication format for providing DGPS auxiliary data to the mobile user ι2 on a dedicated physical control channel (DPCCH). As shown in the figure, a data packet 60 of 〇1> (:: < :: 1 ^ is composed of a data segment (slot) with a time frame of about 0.625 milliseconds. This data packet 60 can It includes a header consisting of n bits and a pilot, a transmission frame indicator (TFI), and a transmission power control (TPC). This data is typically used to control the chain The power of the mobile station 12. This data packet 60 is a piece of data among several pieces of data constituting a frame 62. The frame is composed of several pieces of data, and its frame time is about 1 ◦ millisecond. 62 constitutes a superframe, and the duration of the superframe is about 720 milliseconds. Still referring to FIG. 3, the DGPS auxiliary data is typically composed of about 5 data segments 60 in the frame 62. However, with the development of standards The number of data segments required to provide DGPS auxiliary data may be increased or decreased, and the length and number of data segments required to provide DGPS auxiliary data are not limited in the present invention. Refer to Figure 4 for clarity. Invented in a dedicated entity to control the book Paper size applies to China National Standard (CNS) A4 (210 x 297 mm) k -------- Order --------- Line (Please read the precautions on the back before filling this page ) A7 B7 V. Description of the invention (7) Another embodiment of providing DGPS auxiliary data on the DPCCH 70. Each gfL packet 70 is one of the data segments constituting the frame 72. The frame 72 composed of these data segments constitutes a super-frame 74. In this embodiment, the DGPS auxiliary data is provided by about 4 or 5 data segments 7 (), but this does not imply that the format of the information is limited by this. The present invention The technical advantage is that the DPDCH or / and DPCCH of the WCDMA 3G wireless communication network provides differential GPS assistance data to the mobile user to assist the mobile user's positioning. The mechanism provided by the present invention facilitates the positioning performance of the mobile communication terminal 2 The accuracy is about 5 meters. The user terminal 12 is configured with an integrated differential GPS receiver to facilitate communication between the mobile device 2 and the WCDMA network 10, and the user terminal 12 is also configured with circuits and software to facilitate the mobile terminal. 2Use DGps to assist in data positioning. The present invention Include a mechanism to provide information in 3G WCDMA system to provide very accurate mapping tools, fleet management, etc. Although the present invention is described in terms of a specific preferred embodiment, persons skilled in this area have read this application Later, various changes and modifications will be made clear. As the conventional technology includes all such changes and modifications, the scope of the attached patent application should be interpreted in the broadest sense. R A -------- Order --- ------ line (Please read the notes on the back before filling this page) Member of the Intellectual Property Bureau of the Ministry of Economic Affairs X Consumer Cooperative Printed this paper size 剌

Claims (1)

U 二：卜 A8 B8 C8 —_ _^____ '申請專利範圍 —種在無線通訊網路上提供GPS輔助資料給機動之 使用者終端的方法，其步驟包括： (a) 在專用實體資料通道（DPDCH)上，從該無線通訊 網路的系統節點提供差分GPS輔助資料給該機動 的使用者終端；以及 (b) 該機動的使用者終端接收該DPDCH上的差分GPS 輔助資料，以決定該機動使用者終端的位置。 2. 如申請專利範圍第1項的方法，其中該無線通訊網路 包括寬帶分碼多路接取（WCDMA)網路。 3. 如申請專利範圍第2項的方法，其中該機動的使用者 終端包括無線行動電話。 4_如申請專利範圍第2項的方法，其中該機動的使用者 終端包括電腦。 5. 如申請專利範圍第2項的方法，其中該機動的使用者 終端包括PDA。 6. —種在無線通訊網路上提供GPS輔助資料給機動之 使用者終端的方法，其步驟包括： 0)在專用實體控制通道（DPCCH)上，從該無線通訊 網路的系統節點提供差分GPS辅助資料給該機動 的使用者終端；以及 (b)該機動的使用者終端接收該DpcCHi的差分 輔助資料，以決定該機動使用者終端的位置。 7. 如申請專利範圍第6項的方法，其中該無線通訊網路 包括寬帶分碼多路接取（WCDMA)網路。 8. 如申請專利範圍第7項的方法，其中該機動的使用者 -10- 本紙張足度逋用中國國家操準（CNS ) A4規祐210X297i^n----- (請先閲讀背面之注意事項再填寫本I) 、vs 線 經濟部智慧財產局員工消費合作社印製 45265 6 A8 BS C8 D8 六 申請專利範圍 經濟部智慧財屋局員工消費合作社印製 終端包括無線行動電話。 9-如申明專利範圍第7項的方法，其中該機動的使用者 終端包括電腦。 10·如申Μ專利範圍第7項的方法，纟中該機動的使用者 終端包括PDA。 11 - 一種機動通訊終端，包括·· 與提供服務之無線通訊網路交換通訊的裝置； f專用實體資料通道（DPDCH)上接收差分Gps輔助 f料’並決定該機動使用者終端以該差分GPS輔助 資料為函數之位置的裂置。 12·如申請專利範圍第u項的機動通訊終端，其中該無 線通讯網路包括寬帶分碼多路接取（wcdma)網路’ 該交換裝置適合與該WCDMA網路通訊。 13. 如申請專利範圍第丨2項的機動通訊終端，其中該終 端包括無線行動電話。 14. 如申請專利範圍第12項的機動通訊終端，其中該終 端包括電腦。 15. 如申請專利範圍第12項的機動通訊終端，其中該終 端包括PDA。16. —種機動通訊終端，包括： 與提供服務之無線通訊網路交換通訊的裝置； 在專用實體控制通道（DPCCH)上接收差分Gps輔助 資料，並決定該機動使用者終端以該差分Gps輔助 資料為函數之位置的裝置。 17. 如申請專利範圍第16項的機動通訊終端，其中該無 表紙張尺度逋用中國囷家梯率（CNS ) M規格（21〇><2517公釐） (請先聞讀背面之注意事項再填寫本頁J 訂 線 452656 Μ C8 D8 申請專利範圍 線通訊網路包括寬帶分碼多路接取（WCDMA)網路， 該交換裝置適合與該WCDMA網路通訊。 18.如申請專利範圍第17項的機動通訊終端，其中該終 端包括無線行動電話。 1 9.如申請專利範圍第1 7項的機動通訊終端，其中該終 端包括電腦。 20.如申請專利範圍第17項的機動通訊終端，其中該終 端包括PDA。 (請先聞讀背面之注意事項再填寫本頁) 訂 線_ 經濟部智慧財產局員工消費合作社印製 -12- 本紙張尺度適用中國國家標準（CNS) A4規格（210><297公釐）U 2: Bu A8 B8 C8 — _ _ ^ ____ 'Scope of patent application — a method for providing GPS-assisted data to a mobile user terminal on a wireless communication network, the steps include: (a) in a dedicated physical data channel (DPDCH) On the other hand, a differential GPS assistance data is provided from a system node of the wireless communication network to the mobile user terminal; and (b) the mobile user terminal receives the differential GPS assistance data on the DPDCH to determine the mobile user terminal s position. 2. The method of claim 1 in which the wireless communication network includes a wideband code division multiple access (WCDMA) network. 3. The method according to item 2 of the patent application, wherein the mobile user terminal comprises a wireless mobile phone. 4_ The method according to item 2 of the patent application, wherein the mobile user terminal includes a computer. 5. The method of claim 2 in the patent application, wherein the mobile user terminal includes a PDA. 6. —A method for providing GPS assistance data to a mobile user terminal on a wireless communication network, the steps include: 0) Provide differential GPS assistance data from a system node of the wireless communication network on a dedicated physical control channel (DPCCH) To the mobile user terminal; and (b) the mobile user terminal receives the differential auxiliary data of the DpcCHi to determine the position of the mobile user terminal. 7. The method of claim 6, wherein the wireless communication network includes a wideband code division multiple access (WCDMA) network. 8. If the method of applying for item 7 of the patent scope, where the mobile user -10- This paper is sufficient to use China National Standards (CNS) A4 Regulation 210X297i ^ n ----- (Please read the back first For the matters needing attention, fill in this I), vs. Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 45265 6 A8 BS C8 D8 Six Patent Application Scope Printed terminals of the Employees’ Cooperative of the Smart Wealth House Bureau of the Ministry of Economy include wireless mobile phones. 9- The method as claimed in item 7 of the patent scope, wherein the mobile user terminal comprises a computer. 10. If the method of claim 7 is applied, the user terminal of the mobile includes a PDA. 11-A mobile communication terminal comprising: a device for exchanging communication with a wireless communication network providing a service; f receiving a differential GPS auxiliary material on a dedicated physical data channel (DPDCH) and determining that the mobile user terminal is assisted by the differential GPS The data is a split of the position of the function. 12. The mobile communication terminal according to item u of the patent application scope, wherein the wireless communication network includes a broadband code division multiple access (wcdma) network ', and the switching device is adapted to communicate with the WCDMA network. 13. The mobile communication terminal according to the scope of patent application No. 丨 2, wherein the terminal includes a wireless mobile phone. 14. For the mobile communication terminal of the scope of application for patent No. 12, wherein the terminal includes a computer. 15. The mobile communication terminal as claimed in claim 12, wherein the terminal includes a PDA. 16. A mobile communication terminal comprising: a device for exchanging communication with a wireless communication network providing services; receiving differential GPS auxiliary data on a dedicated physical control channel (DPCCH), and determining that the mobile user terminal uses the differential GPS auxiliary data A device that is a function of location. 17. For the mobile communication terminal with the scope of application for patent No. 16, in which the paperless paper size adopts the Chinese standard (CNS) M specification (21〇 > < 2517mm) (Please read the Note: Please fill in this page again. J Order line 452656 Μ C8 D8 Patent application range The line communication network includes a Broadband Code Division Multiple Access (WCDMA) network, and the switching device is suitable for communication with the WCDMA network. The mobile communication terminal of item 17, wherein the terminal includes a wireless mobile phone. 1 9. The mobile communication terminal of item 17 in the scope of patent application, wherein the terminal includes a computer. 20. The mobile communication terminal of item 17, in the scope of patent application Terminal, which includes PDA. (Please read the notes on the back before filling in this page.) _ _ Printed by the Intellectual Property Bureau Staff Consumer Cooperatives of the Ministry of Economic Affairs -12- This paper size applies to China National Standard (CNS) A4 (210 > < 297 mm)
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US6538601B2 (en) * 2001-02-27 2003-03-25 Itt Manufacturing Enterprises, Inc. Hybrid system for position determination by a mobile communications terminal
US7477906B2 (en) * 2004-02-27 2009-01-13 Research In Motion Limited Methods and apparatus for facilitating the determination of GPS location information for a mobile station without disrupting communications of a voice call
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WO2006134413A1 (en) * 2005-06-13 2006-12-21 Nokia Corporation Supporting an assisted satellite based positioning
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