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中國移動通信公司lcs技術(shù)及應(yīng)用-文庫吧資料

2025-02-22 00:34本頁面
  

【正文】 的支持,在此基礎(chǔ)上,依托 LBS體系發(fā)展無線增值服務(wù),對電信運營商是極大的誘惑??臻g定位技術(shù)是 LBS得以實現(xiàn)的核心技術(shù)。 ? The user wants to know: Which route should take? The user has specified the endpoints, and optionally some waypoints, in some manner, or these points have been specified for the user. The starting point is either defined from a GPS or cellular work measurement or entered manually by the user. This information is then fed to a service that determines the route. Optionally, the user may specify route determination criteria. These criteria might be: fastest, shortest, least traffic, most scenic, etc. and can also specify the preferred mode of transport of the user. The routing algorithm might default to a single criterion, such as fastest. The route can also be optionally stored on the terminal or application server. The user may store it for as long as needed, thus requiring the means to also fetch a stored route. 總體架構(gòu) ? 涉及技術(shù):定位手段、通信鏈路、用戶終端、系統(tǒng)架構(gòu)和相關(guān)軟件。 ? 導(dǎo)航服務(wù)中,支持路有服務(wù)中所有的參數(shù),但是它有它其他的一些參數(shù) 。這個地理信息著要包括 Route Geometry, Point of Interest, Area of Interest, Location, Position and/or Address數(shù)據(jù)抽象類型提供的一些信息。 ? 當(dāng)然,一個服務(wù)請求,可能會有零個、多個響應(yīng),那么我們可以根據(jù)一些匹配準(zhǔn)則,一個算法來實現(xiàn)一對一的映射。響應(yīng)是按照一定的次序來完成的 ? 精確目錄服務(wù) ? 相似目錄服務(wù) ? 一些參數(shù) 網(wǎng)關(guān)服務(wù) ? 這個服務(wù)是 GeoMobility Server 和 Location Server 之間的一個接口,而 Location Server通過 OpenLS services 對移動終端提供一些位置的數(shù)據(jù)。如果這個地點、產(chǎn)品以及服務(wù)在一個特定的地點或者一個特定的范圍,通過網(wǎng)關(guān)服務(wù),那么這個位置就是當(dāng)前移動終端的位置。 互操作協(xié)議 ADT ? Address ADT ? street address( intersection) ? place name (country, municipality) ? postal code ? street locator ? building locator ? supplemental address information. ? Area of Interest (AOI) ADT ? named circle ? bounding box
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