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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0188351 (2014-02-24) |
| 등록번호 | US-9288615 (2016-03-15) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 424 |
A technique to allow a server such as a location server to throttle concurrent or closely timed location requests for the position of a given wireless device such that within a certain time period preferably only one location request will be initiated to the positioning engine and the remaining clos
A technique to allow a server such as a location server to throttle concurrent or closely timed location requests for the position of a given wireless device such that within a certain time period preferably only one location request will be initiated to the positioning engine and the remaining closely-timed location requests will be buffered or cached. When a position for the given wireless device is returned per the outstanding location request, then the retrieved position will be used to respond to each of the buffered location requests. Thus, a plurality of location requests are satisfied with a single request to the positioning engine. By optimizing the use of cached position requests, throttling of location requests per the invention reduces network traffic significantly, increases the efficiency of a positioning server (therefore reducing business cost), and provides for an improved grade or quality of location based services in general.
1. A method of throttling location requests relating to a wireless device, comprising: buffering, at a single location server, a plurality of location requests from a plurality of requesting devices all requesting location of a single wireless device, prior to requesting a last known location of sai
1. A method of throttling location requests relating to a wireless device, comprising: buffering, at a single location server, a plurality of location requests from a plurality of requesting devices all requesting location of a single wireless device, prior to requesting a last known location of said wireless device from a location server; requesting a last known location of said wireless device; and receiving said last known location of said wireless device from said location server; and transmitting said received last known location to said plurality of requesting devices; wherein said plurality of location requests are received within 15 seconds. 2. A method of throttling location requests relating to a wireless device according to claim 1, wherein: said previously cached location information is an initial location of said wireless device. 3. A method of throttling location requests relating to a wireless device according to claim 1, wherein: said previously cached location information is transmitted to all of said plurality of requesting devices. 4. The method of throttling location requests relating to a wireless device according to claim 1, wherein: said single wireless device is a Voice over Internet Protocol (VoIP) device. 5. A method of throttling location requests relating to a wireless device, comprising: buffering, at a single location server, a plurality of location requests from a plurality of requesting devices all requesting location of a single wireless device, prior to requesting a last known location of said wireless device from a location server: requesting a last known location of said wireless device; receiving said last known location of said wireless device from said location server: and transmitting said received last known location to said plurality of requesting devices:wherein said plurality of location requests are received within 15 seconds. 6. An Apparatus to throttle location requests relating to a wireless device, comprising: a location request buffer, at a location server mobile positioning center (MPC), to buffer a plurality of location requests from a plurality of requesting devices all requesting location of a single wireless device, prior to requesting a last known location of said wireless device from a location server; a cache memory, at said location server, to provide a previously cached location information of said single wireless device to at least one of said plurality of requesting devices; and a transmitter to transmit an updated last known location to said plurality of requesting devices; wherein said plurality of location requests are received within 15 seconds. 7. The apparatus to throttle location requests according to claim 6, wherein: said previously cached location information is an initial location of said wireless device. 8. The apparatus to throttle location requests according to claim 6, wherein: said cache memory provides said previously cached location information to all of said plurality of requesting devices. 9. The apparatus to throttle location requests according to claim 6, wherein: said single wireless device is a Voice over Internet Protocol (VoIP) device. 10. An Apparatus to throttle location requests relating to a wireless device, comprising: a location request buffer, at a location server mobile positioning center (MPC), to buffer a plurality of location requests from a plurality of requesting devices all requesting location of a single wireless device, prior to requesting a last known location of said wireless device from a location server; a cache memory, at said location server, to provide a previously cached location information of said single wireless device to at least one of said plurality of requesting devices; and a transmitter to transmit an updated last known location to said plurality of requesting devices; wherein said plurality of location requests are received within 15 seconds.
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