RU2001109351A - ARBITRAL ACCESS IN MOBILE COMMUNICATION SYSTEM - Google Patents

ARBITRAL ACCESS IN MOBILE COMMUNICATION SYSTEM

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Publication number
RU2001109351A
RU2001109351A RU2001109351/09A RU2001109351A RU2001109351A RU 2001109351 A RU2001109351 A RU 2001109351A RU 2001109351/09 A RU2001109351/09 A RU 2001109351/09A RU 2001109351 A RU2001109351 A RU 2001109351A RU 2001109351 A RU2001109351 A RU 2001109351A
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RU
Russia
Prior art keywords
random access
access request
time period
signature
predetermined time
Prior art date
Application number
RU2001109351/09A
Other languages
Russian (ru)
Other versions
RU2232469C2 (en
Inventor
Риаз ЭСМАИЛЗАДЕХ
Карим ДЖАМАЛ
Кристиан РОБОЛЬ
Original Assignee
Телефонактиеболагет Лм Эрикссон (Пабл)
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Publication date
Priority claimed from US09/148,224 external-priority patent/US6597675B1/en
Application filed by Телефонактиеболагет Лм Эрикссон (Пабл) filed Critical Телефонактиеболагет Лм Эрикссон (Пабл)
Publication of RU2001109351A publication Critical patent/RU2001109351A/en
Application granted granted Critical
Publication of RU2232469C2 publication Critical patent/RU2232469C2/en

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Claims (1)

1. Способ обработки запросов произвольного доступа в системе (10) мобильной связи, включающий этапы, при которых мобильная станция (16, 18) связывает первый случайным образом выбранный сигнатурный код с полем сигнатуры в первом запросе (20, 22, 24) произвольного доступа, мобильная станция (16, 18) передает упомянутый первый запрос (20, 22, 24) произвольного доступа для приема базовой станцией (14), мобильная станция (16, 18) ожидает в течение заранее заданного временного периода сообщение подтверждения от базовой станции (14) в ответ на принятый первый запрос (20, 22, 24) произвольного доступа, отличающийся тем, что если мобильная станция (16, 18) определяет, что первый запрос (20, 22, 24) произвольного доступа не принят, то выбирает случайным образом второй сигнатурный код из множества сигнатурных кодов, связывает второй сигнатурный код с полем сигнатуры в первом запросе (20, 22, 24) произвольного доступа и повторно передает первый запрос (20, 22, 24) произвольного доступа с сигнатурным полем, включающим второй выбранный сигнатурный код.1. A method for processing random access requests in a mobile communication system (10), comprising the steps of the mobile station (16, 18) associating the first randomly selected signature code with the signature field in the first random access request (20, 22, 24), the mobile station (16, 18) transmits said first random access request (20, 22, 24) for reception by the base station (14), the mobile station (16, 18) waits for a predetermined time period a confirmation message from the base station (14) in response to the accepted first request (20, 22, 24) random access, characterized in that if the mobile station (16, 18) determines that the first request (20, 22, 24) of random access is not accepted, then randomly selects the second signature code from the set of signature codes, binds the second the signature code with the signature field in the first random access request (20, 22, 24) and retransmits the first random access request (20, 22, 24) with the signature field including the second selected signature code. 2. Способ по п. 1, отличающейся тем, что выбранный сигнатурный код ортогонален по меньшей мере одному из множества сигнатурных кодов. 2. The method according to p. 1, characterized in that the selected signature code is orthogonal to at least one of the many signature codes. 3. (Исключен)
4. Способ по п. 1, отличающийся тем, что упомянутый заранее заданный временной период содержит заранее заданный интервал неактивного состояния.
3. (Excluded)
4. The method according to p. 1, characterized in that the said predetermined time period contains a predetermined interval of an inactive state.
5. Способ по п. 1, отличающийся тем, что упомянутый заранее заданный временной период определяется по меньшей мере одним фактором сетевой характеристики. 5. The method according to p. 1, characterized in that the said predetermined time period is determined by at least one factor network characteristics. 6. Способ по п. 1, отличающийся тем, что упомянутый заранее заданный временной период выбирается случайным образом упомянутой мобильной станцией (16, 18). 6. The method according to claim 1, characterized in that said predetermined time period is randomly selected by said mobile station (16, 18). 7. Способ по п. 6, отличающийся тем, что упомянутый заранее заданный временной период выбирается случайным образом из интервала { 0, Тd} неактивного состояния.7. The method according to p. 6, characterized in that the said predetermined time period is randomly selected from the interval {0, T d } inactive state. 8. Способ по п. 1, отличающийся тем, что поле сигнатуры содержит преамбулу. 8. The method according to p. 1, characterized in that the signature field contains a preamble. 9. Способ по п. 1, отличающийся тем, что система (10) мобильной связи содержит систему мобильной связи с расширенным спектром. 9. The method according to p. 1, characterized in that the mobile communication system (10) comprises a spread spectrum mobile communication system. 10. Способ по п. 1, отличающийся тем, что система (10) мобильной связи содержит систему мобильной связи множественного доступа с кодовым разделением (МДКР). 10. The method according to p. 1, characterized in that the mobile communication system (10) comprises a code division multiple access (CDMA) mobile communication system. 11. Система для обработки запросов произвольного доступа в системе (10) мобильной связи, содержащая базовую станцию (14) и мобильную станцию (16, 18), соединенную с базовой станцией (14) по интерфейсу радиосвязи, причем мобильная станция (16, 18) включает в себя средство для связывания первого выбранного случайным образом сигнатурного кода с полем сигнатуры в первом запросе (20, 22, 24) произвольного доступа, средство для передачи [а] первого запроса (20, 22, 24) произвольного доступа для приема базовой станцией (14), средство для ожидания в течение заранее заданного временного периода сообщения подтверждения от базовой станции (14) в ответ на принятый первый запрос (20, 22, 24) произвольного доступа, средство для определения, принят ли базовой станцией (14) первый запрос (20, 22, 24) произвольного доступа, отличающаяся тем, что дополнительно содержит средство для выбора случайным образом второго сигнатурного кода из множества сигнатурных кодов, связывания второго выбранного сигнатурного кода с полем сигнатуры в первом запросе (20, 22, 24) произвольного доступа и повторной передачи первого запроса (20, 22, 24) произвольного доступа с полем сигнатуры, включающим второй выбранный сигнатурный код, если мобильная станция (16, 18) определяет, что первый запрос (20, 22, 24) произвольного доступа не принят. 11. A system for processing random access requests in a mobile communication system (10), comprising a base station (14) and a mobile station (16, 18) connected to the base station (14) via a radio interface, the mobile station (16, 18) includes means for associating the first randomly selected signature code with the signature field in the first random access request (20, 22, 24), means for transmitting [a] the first random access request (20, 22, 24) for reception by the base station ( 14), the means for waiting for a predetermined of the time period of the confirmation message from the base station (14) in response to the received first random access request (20, 22, 24), means for determining whether the first random access request (20, 22, 24) is received by the base station (14), characterized in that it further comprises a means for randomly selecting the second signature code from the set of signature codes, associating the second selected signature code with the signature field in the first random access request (20, 22, 24) and retransmitting the first request (20, 22, 24 ) producing access field with a signature field including the second selected signature code if the mobile station (16, 18) determines that the first random access request (20, 22, 24) has not been received. 12. Система по п. 11, отличающаяся тем, что выбранный сигнатурный код ортогонален по меньшей мере одному из множества сигнатурных кодов. 12. The system of claim 11, wherein the selected signature code is orthogonal to at least one of the plurality of signature codes. 13. (Исключен)
14. Система по п. 11, отличающаяся тем, что упомянутый заранее заданный временной период содержит заранее заданный интервал неактивного состояния.
13. (Excluded)
14. The system of claim 11, wherein said predetermined time period comprises a predetermined interval of an inactive state.
15. Система по п. 11, отличающаяся тем, что упомянутый заранее заданный временной период определяется по меньшей мере одним фактором сетевой характеристики. 15. The system of claim 11, wherein said predetermined time period is determined by at least one network characteristic factor. 16. Система по п. 11, отличающаяся тем, что упомянутый заранее заданный временной период выбирается случайным образом мобильной станцией (16, 18). 16. The system according to claim 11, characterized in that the said predetermined time period is randomly selected by the mobile station (16, 18). 17. Система по п. 16, отличающаяся тем, что упомянутый заранее заданный временной период выбирается случайным образом из интервала { 0, Тd} неактивного состояния.17. The system according to p. 16, characterized in that the aforementioned predetermined time period is randomly selected from the interval {0, T d } inactive state. 18. Система по п. 11, отличающаяся тем, что поле сигнатуры содержит преамбулу. 18. The system of claim 11, wherein the signature field comprises a preamble. 19. Система по п. 11, отличающаяся тем, что система (10) мобильной связи содержит систему мобильной связи с расширенным спектром. 19. The system according to claim 11, characterized in that the mobile communication system (10) comprises a spread spectrum mobile communication system. 20. Система по п. 11, отличающаяся тем, что система (10) мобильной связи содержит систему мобильной связи множественного доступа с кодовым разделением (МДКР). 20. The system of claim 11, wherein the mobile communication system (10) comprises a code division multiple access (CDMA) mobile communication system. 21. Способ по п. 1, отличающийся тем, что дополнительно повторно передают первый запрос (20, 22, 24) произвольного доступа с вторым выбранным сигнатурным кодом в следующем доступном случае для передачи запроса произвольного доступа, если сообщение подтверждения не принято в течение заранее заданного временного периода. 21. The method according to p. 1, characterized in that it additionally retransmits the first random access request (20, 22, 24) with a second selected signature code in the next available case for transmitting a random access request if the confirmation message is not received within a predetermined time period. 22. Способ по п. 1, отличающийся тем, что множество мобильных станций (16, 18), которые посылают соответствующий первый запрос (20, 22, 24) произвольного доступа в том же самом временном интервале, ожидают в течение заранее заданного временного периода перед повторной передачей соответствующего первого запроса произвольного доступа с соответствующим вторым выбранным сигнатурным кодом. 22. The method according to claim 1, characterized in that a plurality of mobile stations (16, 18) that send a corresponding first random access request (20, 22, 24) in the same time interval are waited for a predetermined time period before retransmitting the corresponding first random access request with the corresponding second selected signature code. 23. Система по п. 11, отличающаяся тем, что средство повторной передачи дополнительно отличается тем, что обеспечивает повторную передачу первого запроса (20, 22, 24) произвольного доступа с вторым выбранным сигнатурным кодом в следующем доступном случае для передачи запроса произвольного доступа, если сообщение подтверждения не принято в течение заранее заданного временного периода. 23. The system of claim 11, wherein the retransmission means is further characterized in that it enables retransmission of a first random access request (20, 22, 24) with a second selected signature code in the next available case for transmitting a random access request, if a confirmation message is not received within a predetermined time period. 24. Система по п. 11, отличающаяся тем, что множество мобильных станций (16, 18), которые посылают соответствующий первый запрос (20, 22, 24) произвольного доступа в том же самом временном интервале, ожидают в течение заранее заданного временного периода перед повторной передачей упомянутого соответствующего первого запроса произвольного доступа с соответствующим вторым выбранным сигнатурным кодом. 24. The system of claim 11, wherein the plurality of mobile stations (16, 18) that send a corresponding first random access request (20, 22, 24) in the same time interval are waited for a predetermined time period before retransmitting said corresponding first random access request with a corresponding second selected signature code.
RU2001109351/09A 1998-09-04 1999-08-31 Random access to mobile communication system RU2232469C2 (en)

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US09/148,224 US6597675B1 (en) 1997-04-30 1998-09-04 Random access in a mobile telecommunications system
US09/148,224 1998-09-04

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