中兴通讯技术
中興通訊技術
중흥통신기술
ZTE Technology Journal
2015年
5期
56-59
,共4页
中继系统%嵌套码%机会调度%吞吐量%误比特率
中繼繫統%嵌套碼%機會調度%吞吐量%誤比特率
중계계통%감투마%궤회조도%탄토량%오비특솔
relay system%nested codes%opportunistic scheduling%throughout%bit error rate
将机会调度模式引入嵌套码体系,通过各个收发节点与中继节点的信道状况自适应调整嵌套码的码速率,可以增加信道状况好的链路传输的数据量,提升无线网络的整体吞吐量.仿真结果表明,相比传统非机会调度嵌套码而言,机会调度嵌套码能够有效提升网络吞吐量和误比特性能.
將機會調度模式引入嵌套碼體繫,通過各箇收髮節點與中繼節點的信道狀況自適應調整嵌套碼的碼速率,可以增加信道狀況好的鏈路傳輸的數據量,提升無線網絡的整體吞吐量.倣真結果錶明,相比傳統非機會調度嵌套碼而言,機會調度嵌套碼能夠有效提升網絡吞吐量和誤比特性能.
장궤회조도모식인입감투마체계,통과각개수발절점여중계절점적신도상황자괄응조정감투마적마속솔,가이증가신도상황호적련로전수적수거량,제승무선망락적정체탄토량.방진결과표명,상비전통비궤회조도감투마이언,궤회조도감투마능구유효제승망락탄토량화오비특성능.
This paper introduces the concept of opportunistic scheduling in a nested coding system. In this scheme, adaptive rate nested codes are used according to channel conditions in order to increase the transmission load of the link while maintaining a good channel condition. In this way, network capacity is no longer constrained by the worst link, and the overal throughput of wireless networks is increased. Simulation shows that compared to traditional non-opportunistic scheduling nested coding, opportunistic scheduling nested coding increases throughput and reliability of single relay multicast relay networks.
