1. 东南大学移动通信国家重点实验室,江苏,南京,210096
2. 香港中文大学网络编码研究所,香港
3. 香港中文大学信息工程学系,香港
4. 福建师范大学物理与光电信息科技学院,福建,福州,350007
5. 东南大学移动通信国家重点实验室江苏南京,210096
6. 香港中文大学网络编码研究所香港
7. 香港中文大学信息工程学系香港
8. 福建师范大学物理与光电信息科技学院福建福州,350007
纸质出版:2012
移动端阅览
吴怡, 沈颖祺, 沈连丰, 等. 基于协议序列的车辆自组织网络信道接入控制算法[J]. 电子学报, 2012,40(4):826-831.
WU Yi, SHUM Wing-ki, SHEN Lian-feng, et al. Protocol Sequences Based Channel Access Control Algorithm in Vehicular Ad Hoc Networks[J]. Acta Electronica Sinica, 2012, 40(4): 826-831.
吴怡, 沈颖祺, 沈连丰, 等. 基于协议序列的车辆自组织网络信道接入控制算法[J]. 电子学报, 2012,40(4):826-831. DOI: 10.3969/j.issn.0372-2112.2012.04.033.
WU Yi, SHUM Wing-ki, SHEN Lian-feng, et al. Protocol Sequences Based Channel Access Control Algorithm in Vehicular Ad Hoc Networks[J]. Acta Electronica Sinica, 2012, 40(4): 826-831. DOI: 10.3969/j.issn.0372-2112.2012.04.033.
针对如何提高车辆自组织网络无线信道资源利用率问题
提出了一种分布式车辆间通信信道接入控制算法
该算法具体表示为利用中国余数定理设计一种用户保障协议序列
车辆节点(亦称用户)依据该协议序列决定其对通信信道的接入
无需基站或中心节点的协调
所设计的协议序列确保每个车辆节点在一个序列周期内至少成功发送一次数据.仿真结果表明
采用本文提出的协议序列控制算法比无反馈时隙ALOHA接入控制算法具有更小的传输时延
能够满足车辆自组织网络通信实时性的要求.
A distributed medium access control algorithm applied in vehicular ad hoc networks is presented to improve the utilization rate of wireless channel.It includes the construction of a kind of user irrepressibility protocol sequence based on Chinese Remainder Theorem
and the assignment of the protocol sequences to the vehicular nodes which are also called users.The vehicular nodes transmit or receive the packet according to the assigned sequences instead of the coordination by base station or access point.The designed user irrepressibility protocol sequences can guarantee that each vehicular user can successfully transmit a packet within a period.The simulation results show that the transmission delay under the control of protocol sequences mentioned is less than that of slotted ALOHA.
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