Air interface adapting method for a mobile radio system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04J-003/16
출원번호
US-0716299
(1996-09-24)
우선권정보
FR-0003860 (1994-03-31)
국제출원번호
PCT/FR95/003
(1995-03-27)
§371/§102 date
19960924
(19960924)
국제공개번호
WO-9527345
(1995-10-12)
발명자
/ 주소
de Seze Fabrice,FRX
Delprat Marc,FRX
Mourot Christophe,FRX
출원인 / 주소
Alcatel CIT, FRX
대리인 / 주소
Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
인용정보
피인용 횟수 :
40인용 특허 :
4
초록▼
A mobile radio system conveys frames between at least one mobile station and at least one base station, each frame comprising N time slots, a burst of data being transmitted in each time slot, and each time slot being associated with a separate call between a mobile station and a base station. For e
A mobile radio system conveys frames between at least one mobile station and at least one base station, each frame comprising N time slots, a burst of data being transmitted in each time slot, and each time slot being associated with a separate call between a mobile station and a base station. For each call over a transmission channel, the quality of the transmission channel is analyzed and, on the, basis thereof, a selection is made between first and second modes of transmission. In the first mode of transmission data to be transmitted is organized in first blocks obtained by a first encoding of source blocks, each of the first blocks has a size greater than the content of (P-1) bursts, where P is an even number at least equal to 2, and the data of the same first block is distributed between at least P bursts. In the second mode of transmission the data to be transmitted is organized in second blocks each having a size less than or equal to the content of P/2 bursts, the data of the same second block is distributed into at most P/2 bursts, at least P/2 bursts are available relative to the first mode of transmission, and an automatic retransmission request mechanism is used to retransmit in the available bursts second blocks that are detected to have been received incorrectly. This second mode of transmission necessitates a quality of the transmission channel greater than that necessitated by the first mode of transmission.
대표청구항▼
[ We claim:] [1.] A method of adapting an air interface, in a mobile radio system conveying, between at least one mobile station and at least one base station frames each made up of N time slots, a burst of data being transmitted in each time slot, and each time slot being associated with a separate
[ We claim:] [1.] A method of adapting an air interface, in a mobile radio system conveying, between at least one mobile station and at least one base station frames each made up of N time slots, a burst of data being transmitted in each time slot, and each time slot being associated with a separate call between a mobile station and a base station, said system providing a first mode of transmission in which the data of a call to be transmitted is organized in first blocks obtained by first encoding of source blocks, each of said first blocks having a size greater than the content of (P-1) burst(s) where P is an even number at least equal to 2, the data of a same first block being divided between at least P bursts,wherein said system provides a second mode of transmission in which said data of a call to be transmitted is organized in second blocks each having a size less than or equal to the content of P/2 burst(s), the data of a same second block being divided between at most P/2 burst(s), at least P/2 burst(s) being available relative to said first mode of transmission, and an automatic retransmission request mechanism being implemented to retransmit in said available bursts second blocks detected to have been received incorrectly, and, for each call between a mobile station and a base station via a transmission channel, the quality of said transmission channel is analyzed and one of said modes of transmission is selected according to said analysis of said quality of said transmission channel, said second mode of transmission necessitating a level of quality of said transmission channel greater than that necessitated by said first mode of transmission.
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이 특허에 인용된 특허 (4)
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Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
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Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
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Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
Padovani, Roberto; Bender, Paul E; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
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