Method and mobile station for reporting multi-path signals based on a report window
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04J-003/06
H04Q-007/00
출원번호
US-0213176
(2002-08-06)
발명자
/ 주소
Becker, Christopher
Ramaswamy, Karthik
Carney, Michael
출원인 / 주소
Motorola, Inc.
인용정보
피인용 횟수 :
1인용 특허 :
4
초록▼
A method (500) and a mobile station (160) for reporting multi-path signals based on a report window are described herein. The mobile station (160) may determine a distribution of a plurality of multi-path signals observed by a receiving unit (220) within the mobile station (160). The mobile station
A method (500) and a mobile station (160) for reporting multi-path signals based on a report window are described herein. The mobile station (160) may determine a distribution of a plurality of multi-path signals observed by a receiving unit (220) within the mobile station (160). The mobile station (160) may determine a report window based on the distribution. Based on the report window, the mobile station (160) may report at least one of the plurality of multi-path signals.
대표청구항▼
1. In a wireless communication system, wherein a receiving unit is operable to search for multi-path signals, a method for reporting multi-path signals based on a report window, the method comprising:determining a distribution of a plurality of multi-path signals observed by the receiving unit; dete
1. In a wireless communication system, wherein a receiving unit is operable to search for multi-path signals, a method for reporting multi-path signals based on a report window, the method comprising:determining a distribution of a plurality of multi-path signals observed by the receiving unit; determining a report window based on the distribution, wherein determining the report window comprises: determining a search period for a search; determining an interval associated with a predetermined number of energy/position pairs, each of the energy/position pairs being associated with one of the plurality of multi-path signals; and subtracting the interval from the search period to determine the report window; and reporting at least one of the plurality of multi-path signals based on the report window. 2. In a wireless communication system, wherein a receiving unit is operable to search for multi-path signals, a method for reporting multi-path signals based on a report window, the method comprising:determining a distribution of a plurality of multi-path signals observed by the receiving unit; determining a report window based on the distribution; and reporting at least one of the plurality of multi-path signals based on the report window, wherein reporting at least one of the plurality of multi-path signals based on the report window comprises: generating a first energy/position pair associated with a first multi-path signal and a second energy/position pair associated with a second multi-path signal, each of the first and second energy/position pairs including an energy parameter and a position parameter; detecting a difference between the position parameters of the first and second energy/position pairs being less than a position threshold; and reporting the first energy/position pair in response to the energy parameter of the first energy/position pair being greater than the energy parameter of the second energy/position pair. 3. The method of claim 2, wherein the step of determining a distribution of a plurality of multi-path signals observed by the receiving unit comprises determining an energy parameter and a position parameter associated with each of the plurality of multi-path signals observed by the receiving unit.4. The method of claim 2, wherein the step of determining a report window comprises determining a report window being a fraction of a search period.5. The method of claim 2, wherein the step of reporting at least one of the plurality of multi-path signals based on the report window comprises:generating an energy/position pair associated with one of the plurality of multi-path signals, the energy/position pair including a position parameter; and reporting the energy/position pair in response to the position parameter being within the report window. 6. The method of claim 2, wherein the communication system comprises a code division multiple access (CDMA) based communication system.7. In a wireless communication system, wherein a receiving unit is operable to search for multi-path signals, a method for reporting multi-path signals based on a report window, the method comprising:determining a distribution of a plurality of multi-path signals observed by the receiving unit; determining a report window based on the distribution; and reporting at least one of the plurality of multi-path signals based on the report window, wherein reporting at least one of the plurality of multi-path signals based on the report window comprises: generating an energy/position pair associated with one of the plurality of multi-path signals, the energy/position pair including an energy parameter; and reporting the energy/position pair in response to the energy parameter being less than an energy threshold. 8. In a wireless communication system, a mobile station for reporting multi-path signals based on a report window, the mobile station comprising:a receiving unit operable to observe a plurality of multi-path signals; and a controller operatively coupled to the searching unit, the controller comprising a processor and a memory operatively coupled to the processor, the controller being programmed to determine a distribution of a plurality of multi-path signals observed by the receiving unit, the controller being programmed to determine a report window based on the distribution; and the controller being programmed to report at least one of the plurality of multi-path signals based on the report window, wherein the report window is a difference between a search period for a search and an interval associated with a predetermined number of energy/position pairs, each of the energy/position pairs being associated with one of the plurality of multi-path signals. 9. The mobile station of claim 8, wherein the distribution of a plurality of multi-path signals comprises an energy parameter and a position parameter associated with each of the plurality of multi-path signals observed by the mobile station.10. The mobile station of claim 8, wherein the report window is a fraction of a search period.11. The mobile station of claim 8, wherein the controller is programmed to generate an energy/position pair associated with one of the plurality of multi-path signals, the energy/position pair including a position parameter, and wherein the controller is programmed to report the energy/position pair in response to the position parameter being within the report window.12. The mobile station of claim 8 is operable in accordance with a code division multiple access (CDMA) based communication protocol.13. In a wireless communication system, a mobile station for reporting multi-path signals based on a report window, the mobile station comprising:a receiving unit operable to observe a plurality of multi-path signals; and a controller operatively coupled to the searching unit, the controller comprising a processor and a memory operatively coupled to the processor, the controller being programmed to determine a distribution of a plurality of multi-path signals observed by the receiving unit, the controller being programmed to determine a report window based on the distribution; the controller being programmed to report at least one of the plurality of multi-path signals based on the report window; the controller being programmed to generate an energy/position pair associated with one of the plurality of multi-path signals, the energy/position pair including an energy parameter; and the controller being programmed to report the energy/position pair in response to the energy parameter being less than an energy threshold. 14. In a wireless communication system, a mobile station for reporting multi-path signals based on a report window, the mobile station comprising:a receiving unit operable to observe a plurality of multi-path signals; and a controller operatively coupled to the searching unit, the controller comprising a processor and a memory operatively coupled to the processor, the controller being programmed to determine a distribution of a plurality of multi-path signals observed by the receiving unit, the controller being programmed to determine a report window based on the distribution; the controller being programmed to report at least one of the plurality of multi-path signals based on the report window; the controller being programmed to generate a first energy/position pair associated with a first multi-path signal and a second energy/position pair associated with a second multi-path signal, each of the first and second energy/position pairs including an energy parameter and a position parameter, wherein the controller is programmed to detect a difference between the position parameters of the first and second energy/position pairs being less than a position threshold, and wherein the controller is programmed to report the first energy/position pair in response to the energy parameter of the first energy/position pair being greater than the energy parameter of the second energy/position pair. 15. In a wireless communication system, wherein a mobile station is operable to search for multi-path signals, and wherein the processor operates in accordance with a computer program embodied on a computer-readable medium for reporting multi-path signals based on a report window, the computer program comprising:a first routine that directs the processor to determine a distribution of a plurality of multi-path signals observed by the mobile station; a second routine that directs the processor to determine a report window based on the distribution, wherein the second routine comprises: a routine that directs the processor to determine a search period for a search; a routine that directs the processor to determine an interval associated with a predetermined number of energy/position pairs, each of the energy/position pairs being associated with one of the plurality of multi-path signals; and a routine that directs the processor to subtract the interval from the search period to determine the report window; and a third routine that directs the processor to report at least one of the plurality of multi-path signals based on the report window. 16. In a wireless communication system, wherein a mobile station is operable to search for multi-path signals, and wherein the processor operates in accordance with a computer program embodied on a computer-readable medium for reporting multi-path signals based on a report window, the computer program comprising:a first routine that directs the processor to determine a distribution of a plurality of multi-path signals observed by the mobile station; a second routine that directs the processor to determine a report window based on the distribution; and a third routine that directs the processor to report at least one of the plurality of multi-path signals based on the report window, wherein the third routine comprises: a routine that directs the processor to generate an energy/position pair associated with one of the plurality of multi-path signals, the energy/position pair including an energy parameter; and a routine that directs the processor to report the energy/position pair in response to the energy parameter being less than an energy threshold. 17. In a wireless communication system, wherein a mobile station is operable to search for multi-path signals, and wherein the processor operates in accordance with a computer program embodied on a computer-readable medium for reporting multi-path signals based on a report window, the computer program comprising:a first routine that directs the processor to determine a distribution of a plurality of multi-path signals observed by the mobile station; a second routine that directs the processor to determine a report window based on the distribution; and a third routine that directs the processor to report at least one of the plurality of multi-path signals based on the report window, wherein the third routine comprises: a routine that directs the processor to generate a first energy/position pair associated with a first multi-path signal and a second energy/position pair associated with a second multi-path signal, each of the first and second energy/position pairs including an energy parameter and a position parameter; a routine that directs the processor to detect a difference between the position parameters of the first and second energy/position pairs being less than a position threshold; and a routine that directs the processor to report the first energy/position pair in response to the energy parameter of the first energy/position pair being greater than the energy parameter of the second energy/position pair. 18. The computer program of claim 17, wherein the first routine comprises a routine that directs the processor to determine an energy parameter and a position parameter associated with each of the plurality of multi-path signals observed by the mobile station.19. The computer program of claim 17, wherein the second routine comprises a routine that directs the processor to determine a report window being a fraction of a search period.20. The computer program of claim 17, wherein the third routine comprises:a routine that directs the processor to generate an energy/position pair associated with one of the plurality of multi-path signals, the energy/position pair including a position parameter; and a routine that directs the processor report the energy/position pair in response to the position parameter being within the report window. 21. The computer program of claim 17 is operable in accordance with a code division multiple access (CDMA) based communication system.22. The computer program of claim 17, wherein the medium is one of paper, a programmable gate array, application specific integrated circuit, erasable programmable read only memory, read only memory, random access memory, magnetic media, and optical media.
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이 특허에 인용된 특허 (4)
Heidari-Bateni, Ghobad; Plunkett, Robert Thomas, Adaptive, multimode rake receiver for dynamic search and multipath reception.
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