移动通信
移動通信
이동통신
MOBILE COMMUNICATIONS
2015年
10期
57-60
,共4页
孙霞%韩冷%王显坤
孫霞%韓冷%王顯坤
손하%한랭%왕현곤
高速下行分组接入%修正的最大加权时延优先算法%指数比例公平算法
高速下行分組接入%脩正的最大加權時延優先算法%指數比例公平算法
고속하행분조접입%수정적최대가권시연우선산법%지수비례공평산법
high speed downlink packet access%modiifed largest weighted delay ifrst algorithm%exponential proportional fair algorithm
主要研究了HSDPA无线通信系统中的分组调度算法。对HSDPA通信系统的分组调度算法M-LWDF和EXP进行了分类讨论,并通过视频业务参考模型对M-LWDF和EXP算法在丢包率方面进行仿真来研究它们的性能。仿真结果表明,在条件相同的情况下,M-LWDF算法比EXP算法的丢包率略高。
主要研究瞭HSDPA無線通信繫統中的分組調度算法。對HSDPA通信繫統的分組調度算法M-LWDF和EXP進行瞭分類討論,併通過視頻業務參攷模型對M-LWDF和EXP算法在丟包率方麵進行倣真來研究它們的性能。倣真結果錶明,在條件相同的情況下,M-LWDF算法比EXP算法的丟包率略高。
주요연구료HSDPA무선통신계통중적분조조도산법。대HSDPA통신계통적분조조도산법M-LWDF화EXP진행료분류토론,병통과시빈업무삼고모형대M-LWDF화EXP산법재주포솔방면진행방진래연구타문적성능。방진결과표명,재조건상동적정황하,M-LWDF산법비EXP산법적주포솔략고。
Packet scheduling algorithms in HSDPA wireless communication system were researched in this paper. M-LWDF and EXP packet scheduling algorithms in HSDPA system were discussed and their performances were simulated according to packet loss rate using video trafifc reference model. Simulation results show that M-LWDF algorithm has slightly higher packet loss rate than EXP algorithm under the same conditions.