????cdma2000 1xEV-DO???????????

????1?????????

??????????????????????????????????????????????????????????????????????????????????????

????1)??ΧС?????

????i.??С??????(???????1x???)

????ii.??С??????50%(????)

????2)??ΧС?????м???50%

????i.??С??????

????ii.??С??????50%(????)

???????????????????????????·????20??40km/h???????С????????????????????AT??????????????????????????????????????????????AT???????????????????????????????????????????μ?Ec/Io????????????????λ??仯???????????????????????????DRC????????????AT???書????????????PER?????λ??仯?????????????(RLP????ò?)???????????????????????????????????RRI????????????AT???書???????λ??仯??????????????PER??AN???????????????仯??????????3??????????????????????Ec/Io?????λ??仯?????????????????????????ο????ж?С???????????????????????????????????????????

????2????????????

??????????????????????С?????????????????С???????????????????ж???????2??????????????????????????????????????

????1)????е?С??????????????(???????1x???)

????2)????Χ????С??????????????50%????????

????????????????????????????????????????????????????????Χ????С??????????????50%???????????C/I????????С??3??????????????????????????С??3????в????

????????C/I=10dB?????

?????е?C/I=5??10dB??

???????C/I=0??5dB??

?????????????????￡?

????1)????????????????????????????????????С??3????????????????????????6???????????RLP?????ò?????????????????

????2)?????????????????????????????????????????????????????????????·????20??40km/h???????С????????????????RLP?????ò?????????????????

????3)?????????????????????????????AT??????????????3????е?3??????2?????AT??????FTP???????????????????6????(????????)????AT????????????AT??????????????????????????????????????????????????

????4)????????????????????????????AT??????????????3????е?3??????2?????AT??????FTP??????????????????(????????????)?????????Я??ЩAT???????????·????20??40km/h??????????????????????????????????????AT??????????????????????????????????????????????????

????3?????????

????cdma2000 1xEV-DO???л??????????????????й?????????????????????????????·?????????????????????????????????????????????????(??PER)??????????????????????????????????Eb/N0????????AT???書?????????

?????????С?????????????·???????????????????????????????????????=5km/h??????=30km/h??????>=60km/h?????·?????????AT?????????Ec/Io??AT???書?????AN????Eb/N0??????PER????????????????????????????????????

????4??cdma2000 1xEV-DO?????л?

????cdma2000 1xEV-DO?????л????????????PDSN??PCF???????л?(????)??????????PDSN??PCF?傷???л?(????)??????????PDSN??PCF??????????л???????

??????4??AT????????????????????·??????????????(????????=30km/h??????>=60km/h)??4??AT??????100???л?????????AT??????AT?????????????Ч????????ж?AT??????л?????????????A??????AT?????????????????????????л????????????????????л????????????????????????????????л????AT??IP???????????

????5???????·DRC???????

?????????·DRC??????????????????????????????????п????DRC???????????????????????????

??????AT????С????????????????RL MAC transition probabilities vector?1??????AN????????????????????AT??“Early Termination”????(??HARQ????)?????AT???????????AT??DRC???0x1??0x0c??AT???FTP???????????????????С????????????????(?磺1M??2MB??5MB??10MB)?? ??????????????????????????AT???????DRC???????????

????6?? HARQ???????

????HARQ??????cdma2000 1xEV-DO?в????????????????????????????????????????(FEC)????????????η???????????????????????????????????????????????????