Efficient collection of wireless transmitter characteristics
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-012/26
H04B-007/00
H04L-012/54
출원번호
US-0736431
(2009-04-07)
등록번호
US-8787171
(2014-07-22)
국제출원번호
PCT/AU2009/000436
(2009-04-07)
§371/§102 date
20101007
(20101007)
국제공개번호
WO2009/124348
(2009-10-15)
발명자
/ 주소
Macnaughtan, Malcolm David
Drane, Christopher Ridgway
Brown, Stephen Frank
Scott, Craig Andrew
출원인 / 주소
WaveMarket, Inc.
대리인 / 주소
Dovas Law, P.C.
인용정보
피인용 횟수 :
9인용 특허 :
62
초록▼
Systems, methods, and processor-readable storage media are disclosed for collecting information pertaining to the configuration of one or more wireless networks and using this information in turn to estimate the location of mobile wireless devices associated with those networks. Certain embodiments
Systems, methods, and processor-readable storage media are disclosed for collecting information pertaining to the configuration of one or more wireless networks and using this information in turn to estimate the location of mobile wireless devices associated with those networks. Certain embodiments of the present disclosure are directed to providing efficient systems and methods for collecting the information, which are responsive to the coverage or quality of the wireless network configuration information already stored in a network database.
대표청구항▼
1. A computer-implemented method of collecting one or more radio parameter measurements corresponding to wireless transmitters in a wireless network in order to update a database of wireless transmitter characteristics, the method comprising: retrieving, from a database, a list indicating a current
1. A computer-implemented method of collecting one or more radio parameter measurements corresponding to wireless transmitters in a wireless network in order to update a database of wireless transmitter characteristics, the method comprising: retrieving, from a database, a list indicating a current state of information in the database regarding one or more wireless transmitters in the wireless network, wherein the list includes one or more transmitter identifiers, and zero or more parameters associated with each transmitter identifier;communicating the list to at least one device having one or more wireless receivers; andreceiving, with a server, a selected sequence of one or more radio measurements from a device having one or more wireless receivers comprising a GPS receiver, wherein the device selects the sequence by assigning a priority to sequences of one or more radio measurements based on the list of one or more transmitter identifiers and selecting at least one sequence of at least one of the one or more radio measurements based on the assigned priority, and when the priority assigned by the device exceeds a threshold, the device performs steps comprising:activating the GPS receiver when the GPS receiver is not currently active;attempting to obtain position information from the GPS receiver;deactivating the GPS receiver; andincluding obtained position information with the selected sequence received by the server. 2. The method according to claim 1 wherein the one or more transmitters are selected from a group consisting of GSM cells, UMTS cells, CDMA cells, LTE Cells and WiMAX cells. 3. The method according to claim 2 wherein the one or more transmitter identifiers comprise Cell ID values or Cell ID and LAC pairs. 4. The method according to claim 1 wherein radio measurements in the selected sequence of measurements include a transmitter identifier and a received signal level. 5. The method according to claim 1 wherein the list is communicated via a bearer selected from a group consisting of SMS, GPRS, EDGE, HSPA, and EV-DO. 6. The method according to claim 1 wherein a selection process of the device reduces traffic on a wireless network, reduces processing for a given increment in a quality of information in the database, improves updating of the database by reducing an amount of data transmitted, reduces an amount of processing by a server, and/or improves coverage of the database. 7. The method according to claim 6 wherein sending a selected subset of one or more radio measurements to the server from the device is initiated when an application on the device establishes a data connection. 8. The method according to claim 6 wherein the device having one or more wireless receivers includes a client application associated with the database, and wherein the client application establishes a connection to the server. 9. The method according to claim 1 wherein communicating the list to at least one device is requested by a client application on the device when a user of the device establishes a connection to the server. 10. The method according to claim 1 wherein the server associates a version number with each revision of the list and a client application on the device checks the version number of the list currently on the device against a latest version number at a server and only requests the list when a more recent version is available on the server. 11. The method according to claim 1 further comprising: estimating or updating at a server a set of characteristics of at least one wireless transmitter based on the selected sequence of one or more radio measurements; andwhen the server determines that substantial changes have occurred in the wireless network based on the set of characteristics, updating the list to accelerate reporting by mobile radio terminals in an affected region. 12. The method according to claim 1 further comprising: estimating a set of characteristics for one or more wireless transmitters associated with transmitter identifiers included in the selected sequence of one or more radio measurements based on the one or more radio measurements;updating the list to reflect stored characteristics for the one or more wireless network transmitters; andcommunicating the list to at least one device having one or more wireless receivers. 13. A communication network configured for collecting one or more radio parameter measurements corresponding to wireless transmitters in a wireless network in order to update a database of wireless transmitter characteristics, the network comprising: at least one server configured to perform a method comprising: retrieving from a database a list indicating a current state of information in the database regarding one or more wireless transmitters in the wireless network, wherein the list includes one or more transmitter identifiers, and zero or more parameters associated with each transmitter identifier;communicating the list to at least one device having one or more wireless receivers; andreceiving a selected sequence of one or more radio measurements from a device having one or more wireless receivers;a device comprising a GPS receiver, the device configured to perform a method comprising: performing one or more radio measurements;selecting a sequence by assigning a priority to sequences of the one or more radio measurements based on the list of one or more transmitter identifiers, selecting at least one sequence of at least one of the one or more radio measurements based on the assigned priority, and transmitting a selected sequence to the at least one server, wherein when the priority assigned by the device exceeds a threshold, the device performs steps comprising:activating the GPS receiver when the GPS receiver is not currently active;attempting to obtain position information from the GPS receiver;deactivating the GPS receiver; andincluding obtained position information with the selected sequence transmitted to the at least one server.
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