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RU2000112026A - RECEIVER OF A GLOBAL POSITIONING SYSTEM WITH A LIMITED SPACE FOR FINDING A CODE SHIFT FOR A CELL PHONE SYSTEM - Google Patents

RECEIVER OF A GLOBAL POSITIONING SYSTEM WITH A LIMITED SPACE FOR FINDING A CODE SHIFT FOR A CELL PHONE SYSTEM

Info

Publication number
RU2000112026A
RU2000112026A RU2000112026/09A RU2000112026A RU2000112026A RU 2000112026 A RU2000112026 A RU 2000112026A RU 2000112026/09 A RU2000112026/09 A RU 2000112026/09A RU 2000112026 A RU2000112026 A RU 2000112026A RU 2000112026 A RU2000112026 A RU 2000112026A
Authority
RU
Russia
Prior art keywords
code shift
global positioning
receiver
positioning system
cellular telephone
Prior art date
Application number
RU2000112026/09A
Other languages
Russian (ru)
Other versions
RU2197780C2 (en
Inventor
Виллиям О. мл. КЭМП
Камбиз ЗАНГИ
Раджарам РАМЕШ
Original Assignee
Эрикссон, Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/950,690 external-priority patent/US6070078A/en
Application filed by Эрикссон, Инк. filed Critical Эрикссон, Инк.
Publication of RU2000112026A publication Critical patent/RU2000112026A/en
Application granted granted Critical
Publication of RU2197780C2 publication Critical patent/RU2197780C2/en

Links

Claims (16)

1. Система для уменьшения поиска кодового сдвига в сотовом телефоне (140) с неизвестным местоположением в сотовой телефонной сети (110), отличающаяся тем, что содержит приемник (180), получающий эфемеридную информацию глобальной системы позиционирования, сервер (170) для вычисления множества прогнозируемых положений кодового сдвига на основе известного местоположения и эфемеридной информации, передатчик (100) для передачи множества прогнозируемых положений кодового сдвига в сотовый телефон и приемопередатчик (141), находящийся в сотовом телефоне с неизвестным местоположением, для приема множества прогнозируемых положений кодового сдвига и приемник (150) глобального позиционирования с ограниченными функциональными возможностями, находящийся в сотовом телефоне, предназначенный для поиска по ограниченному числу положений кодового сдвига для каждого спутника (160) ГСП, связанного с сотовым телефоном, причем ограниченное число положений кодового сдвига основано на множестве прогнозируемых положений кодового сдвига, и для вычисления информации о местоположении.1. A system for reducing code shift search in a cellular telephone (140) with an unknown location in a cellular telephone network (110), characterized in that it comprises a receiver (180) receiving ephemeris information from a global positioning system, a server (170) for calculating a plurality of predicted a code shift position based on a known location and ephemeris information, a transmitter (100) for transmitting a plurality of predicted code shift positions to a cellular telephone and a transceiver (141) located in the cellular telephone with an unknown location for receiving a plurality of predicted code shift positions and a global positioning receiver (150) with a limited functionality located in a cell phone for searching a limited number of code shift positions for each GPS satellite (160) associated with the cell phone, wherein a limited number of code shift positions are based on a plurality of predicted code shift positions, and for calculating location information. 2. Система по п. 1, отличающаяся тем, что известным местоположением является географический центр городской зоны обслуживания. 2. The system according to claim 1, characterized in that the known location is the geographical center of the urban service area. 3. Система по п. 1, отличающаяся тем, что известным местоположением является местоположение базовой станции. 3. The system according to claim 1, characterized in that the known location is the location of the base station. 4. Система по п. 3, отличающаяся тем, что приемником, предназначенным для получения эфемеридной информации глобальной системы позиционирования, является приемник системы глобального позиционирования с полными функциональными возможностями, расположенный в базовой станции. 4. The system according to claim 3, characterized in that the receiver intended for receiving ephemeris information of the global positioning system is a receiver of the global positioning system with full functionality located in the base station. 5. Устройство по п. 3, отличающееся тем, что приемник, предназначенный для получения эфемеридной информации глобальной системы позиционирования, получает эфемеридную информацию глобальной системы позиционирования от средств обслуживания данных. 5. The device according to p. 3, characterized in that the receiver, designed to receive ephemeris information of the global positioning system, receives ephemeris information of the global positioning system from the data service tools. 6. Система по п. 3, отличающаяся тем, что передатчиком для передачи множества прогнозируемых положений кодового сдвига является сотовый телефон. 6. The system of claim 3, wherein the transmitter for transmitting a plurality of predicted code shift positions is a cell phone. 7. Система по п. 6, отличающаяся тем, что множество прогнозируемых положений кодового сдвига передаются через канал управления сотового телефона. 7. The system of claim 6, wherein the plurality of predicted code shift positions are transmitted through the control channel of the cell phone. 8. Система по п. 6, отличающаяся тем, что множество прогнозируемых положений кодового сдвига передаются через канал трафика сотового телефона. 8. The system of claim 6, wherein the plurality of predicted code shift positions are transmitted through the traffic channel of the cell phone. 9. Система по п. 6, отличающаяся тем, что множество прогнозируемых положений кодового сдвига передаются посредством сообщения службы коротких сообщений сотового телефона. 9. The system of claim 6, wherein the plurality of predicted code shift positions are transmitted via a cell phone short message service message. 10. Система по п. 3, отличающаяся тем, что сервер вычисляет множество прогнозируемых положений кодового сдвига на основе местоположения центра сектора сотовой ячейки, в пределах которой расположен приемник системы глобального позиционирования. 10. The system of claim 3, wherein the server calculates a plurality of predicted code shift positions based on the location of the center sector of the cell within which the receiver of the global positioning system is located. 11. Устройство для определения географического местоположения сотового телефона, отличающееся тем, что содержит приемопередатчик (141), находящийся в сотовом телефоне (140) с неизвестным местоположением, для приема множества прогнозируемых положений кодового сдвига из сотовой телефонной сети (110) и приемник (150) системы глобального позиционирования с ограниченными функциональными возможностями, находящийся в сотовом телефоне, для поиска по ограниченному числу положений кодового сдвига для каждого спутника (160) ГСП, причем ограниченное число положений кодового сдвига основано на принятом множестве прогнозируемых положений кодового сдвига, и для вычисления информации о местоположении. 11. A device for determining the geographic location of a cellular telephone, characterized in that it comprises a transceiver (141) located in a cellular telephone (140) with an unknown location for receiving a plurality of predicted code shift positions from a cellular telephone network (110) and a receiver (150) limited positioning global positioning systems located in a cellular telephone to search for a limited number of code shift positions for each GPS satellite (160), with a limited number the position of the code shift is based on the accepted set of predicted positions of the code shift, and to calculate the location information. 12. Устройство по п. 11, отличающееся тем, что приемник системы глобального позиционирования с ограниченными функциональными возможностями вычисляет значения псевдодальности и передает значения псевдодальности в сотовую телефонную сеть. 12. The device according to p. 11, characterized in that the receiver of the global positioning system with limited functionality calculates the pseudorange values and transmits the pseudorange values to the cellular telephone network. 13. Устройство по п. 11, отличающееся тем, что приемник системы глобального позиционирования с ограниченными функциональными возможностями вычисляет географические координаты и передает координаты в сотовую телефонную сеть. 13. The device according to p. 11, characterized in that the receiver of the global positioning system with limited functionality calculates the geographical coordinates and transmits the coordinates to the cellular telephone network. 14. Способ уменьшения пространства поиска кодового сдвига в приемнике (150) системы глобального позиционирования с уменьшенными функциональными возможностями, работающем в сотовой телефонной сети (110), отличающийся тем, что определяют (300) местоположение базовой станции (100), обслуживающей сотовую ячейку (120) сотовой телефонной сети, в пределах которой располагается приемник системы глобального позиционирования, получают (305) эфемеридную информацию системы глобального позиционирования, вычисляют (310) множество прогнозируемых положений кодового сдвига из эфемеридной информации, передают (320) множество прогнозируемых положений кодового сдвига к приемнику глобальной системы позиционирования, определяют (330) пространство поиска кодового сдвига для спутников (160), связанных с приемником глобальной системы позиционирования, при этом пространство поиска кодового сдвига содержит ограниченное число положений кодового сдвига, осуществляют поиск (330) в пространстве поиска кодового сдвига для каждого спутника для того, чтобы определить положение кодового сдвига для соответствующих спутников и определяют (360) положение приемника глобальной системы позиционирования из определенных положений кодового сдвига. 14. A method of reducing the code shift search space in a receiver (150) of a reduced positioning global positioning system operating in a cellular telephone network (110), characterized in that (300) determining a location of a base station (100) serving a cell (120) ) the cellular telephone network within which the receiver of the global positioning system is located, (305) the ephemeris information of the global positioning system is obtained, (310) the set of predicted code positions of the shift from the ephemeris information, transmit (320) a plurality of predicted code shift positions to the global positioning system receiver, determine (330) the code shift search space for satellites (160) associated with the global positioning system receiver, while the code shift search space contains a limited the number of code shift positions, search (330) in the code shift search space for each satellite in order to determine the code shift position for the corresponding travelers and determine (360) the position of the receiver of the global positioning system from certain positions of the code shift. 15. Способ по п. 14, отличающийся тем, что этап получения эфемеридной информации дополнительно включает этап получения информации синхронизации. 15. The method according to p. 14, wherein the step of obtaining ephemeris information further includes the step of obtaining synchronization information. 16. Способ по п. 14, отличающийся тем, что дополнительно включает этап определения сектора сотовой ячейки, в пределах которого работает приемник глобальной системы позиционирования, при этом этап вычисления множества прогнозируемых положений кодового сдвига с помощью сотовой телефонной сети основан на местоположении центра сектора. 16. The method according to p. 14, characterized in that it further includes the step of determining the sector of the cell within which the receiver of the global positioning system operates, the step of calculating a plurality of predicted code shift positions using the cellular telephone network based on the location of the sector center.
RU2000112026/09A 1997-10-15 1998-10-14 Global positioning system receiver with limited code-shift spatial search for cellular telephone system RU2197780C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/950,690 US6070078A (en) 1997-10-15 1997-10-15 Reduced global positioning system receiver code shift search space for a cellular telephone system
US08/950,690 1997-10-15

Publications (2)

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RU2000112026A true RU2000112026A (en) 2002-04-10
RU2197780C2 RU2197780C2 (en) 2003-01-27

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US (1) US6070078A (en)
EP (1) EP1023612B1 (en)
JP (1) JP4023652B2 (en)
KR (1) KR100616247B1 (en)
CN (1) CN1316261C (en)
AR (1) AR013688A1 (en)
AU (1) AU758183B2 (en)
BR (1) BR9813061B1 (en)
CA (1) CA2306380C (en)
CO (1) CO4810270A1 (en)
DE (1) DE69810335T2 (en)
EE (1) EE200000238A (en)
IL (1) IL135613A (en)
MY (1) MY115614A (en)
NO (1) NO20001960L (en)
RU (1) RU2197780C2 (en)
WO (1) WO1999019743A1 (en)

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