通信系统的吞吐量取决于数据流量负载和支持该负载的可用容量。在基于无人机的通信系统中,无人机位置是影响业务流(数据会话)可用容量的主要因素之一。Shamsur Rahman等人2018年11月在《Journal of Communications and Networks》刊登文...通信系统的吞吐量取决于数据流量负载和支持该负载的可用容量。在基于无人机的通信系统中,无人机位置是影响业务流(数据会话)可用容量的主要因素之一。Shamsur Rahman等人2018年11月在《Journal of Communications and Networks》刊登文章,提出了一种无人机定位集中式算法,以最大限度地提高灾区软件定义无人机通信网络的吞吐量。展开更多
This paper investigates the Medium Access Control(MAC)protocol performance in the IEEE 802.11g-over-fiber network for different payloads and fiber lengths using Direct Sequence Spread Spectrum-Orthogonal Frequency Div...This paper investigates the Medium Access Control(MAC)protocol performance in the IEEE 802.11g-over-fiber network for different payloads and fiber lengths using Direct Sequence Spread Spectrum-Orthogonal Frequency Division Multiplexing(DSSSOFDM)and Extended Rate PhysicalsOrthogonal Frequency Division Multiplexing(ERP-OFDM)physical layers using basic access mode,Request to Send/Clear to Send(RTS/CTS)and CTS-to-self mechanisms.The results show that IEEE 802.11g-over-fiber network employing the ERP-OFDM physical layer is much more efficient than that employing the DSSS-OFDM physical layer,with regards to both throughput and delay.For a given maximum throughput/minimum delay,the tradeoff among the access mechanism,the fiber length,and the payload size must be considered.Our quantified results give a selection basis for the operators to quickly select suitable IEEE 802.11g physical layers and the different access mechanisms,and accurately predict the data throughput and delay given the specific parameters.展开更多
文摘通信系统的吞吐量取决于数据流量负载和支持该负载的可用容量。在基于无人机的通信系统中,无人机位置是影响业务流(数据会话)可用容量的主要因素之一。Shamsur Rahman等人2018年11月在《Journal of Communications and Networks》刊登文章,提出了一种无人机定位集中式算法,以最大限度地提高灾区软件定义无人机通信网络的吞吐量。
基金supported in part by the National Basic Research Program of China under Grant No. 2012CB315705 (973 program)National Natural Science Foundation of China under Grants No.61107058, No.61120106001, No.60932004, No.61001121, No.60837004+2 种基金National High-Tech Research and Development Program of China under Grant No.2011AA010306 (863 program)Beijing Excellent Doctoral Thesis Project under Grant No.YB20101001301Cooperation Project between Province and Ministries under Grant No.2011A090200025
文摘This paper investigates the Medium Access Control(MAC)protocol performance in the IEEE 802.11g-over-fiber network for different payloads and fiber lengths using Direct Sequence Spread Spectrum-Orthogonal Frequency Division Multiplexing(DSSSOFDM)and Extended Rate PhysicalsOrthogonal Frequency Division Multiplexing(ERP-OFDM)physical layers using basic access mode,Request to Send/Clear to Send(RTS/CTS)and CTS-to-self mechanisms.The results show that IEEE 802.11g-over-fiber network employing the ERP-OFDM physical layer is much more efficient than that employing the DSSS-OFDM physical layer,with regards to both throughput and delay.For a given maximum throughput/minimum delay,the tradeoff among the access mechanism,the fiber length,and the payload size must be considered.Our quantified results give a selection basis for the operators to quickly select suitable IEEE 802.11g physical layers and the different access mechanisms,and accurately predict the data throughput and delay given the specific parameters.
