中国新通信
中國新通信
중국신통신
CHINA NEW TELECOMMUNICATIONS
2010年
15期
16-19
,共4页
OFDMA%调度%资源块%子载波
OFDMA%調度%資源塊%子載波
OFDMA%조도%자원괴%자재파
OFDMA%packet scheduling%resource block%subcarrier
提出了一种适合于OFDMA(正交频分多址接入)系统的资源分配与调度算法,该算法利用物理层的信道信息和MAC层的队列状态信息,并综合考虑了数据分组传输的时延要求和业务的优先级,采取资源块与子载波分配相结合的资源分配方式。仿真结果表明,该算法在吞吐量和公平性方面都得到了较好的改善。
提齣瞭一種適閤于OFDMA(正交頻分多阯接入)繫統的資源分配與調度算法,該算法利用物理層的信道信息和MAC層的隊列狀態信息,併綜閤攷慮瞭數據分組傳輸的時延要求和業務的優先級,採取資源塊與子載波分配相結閤的資源分配方式。倣真結果錶明,該算法在吞吐量和公平性方麵都得到瞭較好的改善。
제출료일충괄합우OFDMA(정교빈분다지접입)계통적자원분배여조도산법,해산법이용물리층적신도신식화MAC층적대렬상태신식,병종합고필료수거분조전수적시연요구화업무적우선급,채취자원괴여자재파분배상결합적자원분배방식。방진결과표명,해산법재탄토량화공평성방면도득도료교호적개선。
A resource allocation and scheduling algorithm in an orthogonal frequency division multiple access(OFDMA) systems is proposed.The proposed algorithm fully considers the physical layer channel and MAC layer buffers information,users'requirements on delay and service priority,In which resource block scheduling and subcarrier allocation are performed in a combined manner.It is demonstrated in the simulation result that the proposed algorithm can improve system performance in terms of throughput and fairness.