基于海底采集多路访问一清除发送协议的 水声通信介质访问控制协议

南京大学学报(自然科学版) ›› 2013, Vol. 49 ›› Issue (1): 78–85.

基于海底采集多路访问一清除发送协议的
水声通信介质访问控制协议

陶文凤1，包永强2，赵力1，邹采荣1，左加阔1

出版日期:2015-09-24 发布日期:2015-09-24
作者简介: (1.南大学教育部水声重点实验室，南京，210096;2.南京工程学院通信工程系，南京，210096)
基金资助:
Natural Science Foundation of China (60872073,51075068.60975017),Autonomous Fund of Science and
Technology on Acoustic Antagonizing Laboratory(09ZD. 2 )

Slotted floor acquisition multiple access in medium access control
protocol for underwater acoustic communication networks*

Van Phuong Dao1**，Bao Yong一Qiang2，Zhuo Li 1，Zou Cai一Rong1 ，Zuo Jiu一Kuo1

Online:2015-09-24 Published:2015-09-24
About author: (1 .Key Laboratory of Underwater Acoustic signal Processing of Ministry of Education
Southeast University,Nanjing,210096,China;
2. School of Communication Engineering Nanjing institute of Technology,Nanjing 210096,China)

摘要/Abstract

摘要： 介质访问控制(MAC)协议是水声通信网络中的关键技术，由于水声信道的可用带宽有限、多
径效应严重、长延迟等特性，使得水声通信网络中的MAC设计存在诸多难题.无线通信网络中的MAC
协议设计通常没有考虑延迟效应，而采用这种方法来设计水声通信网络的MAC协议，其性能将大大降
低.为了克服上述问题，基于MAC协议中的海底采集多路访问(FAMA)协议，提出了适用于水声通信
网络的时隙FAMA一清除发送(CTS)协议，该协议为CTS包分配了单独的时隙.同时，还提出了一种能
量优化方法来传输数据.该算法不仅能够增加水声通信网络的吞吐量，减少数据包的碰撞而且能够降低
能量消耗，并且该算法能够有效的将载波侦听与发射和接收数据前的协商结合在一起.实验结果表明，
与时隙碰撞避免多址接入(MACA)协议和FAMA一非持久请求发送(FAMA-NTR)协议相比，本文提出的算法更有效.

Abstract: Medium access control(MAC) protocol is a key technology for underwater acoustic communication net
work( UACN). Due to the underwater acoustic channel’s low available bandwidth，highly varying multipath, high
propagation delay characteristics，it is difficult to design an efficient MAC protocol. Most of the MAC protocols for
wireless terrestrial communication networks have been designed with negligible propagation delay in mind，if it is do
ployed directly in an underwater environment,the UACN will perform inefficiently.To overcome the above problem
a new MAC protocol suitable for UACN is proposed and analyzed in this paper. We propose some modifications in
floor acquisition multiple access(FAMA)of MAC protocol for UACN in which we use a time slot, which is applied
for Clear-To-Send(CTS)packet,thus called Slotted FAMA-CTS. An energy optimization strategy for data transmis
sion is also proposed in this paper.The foals of this work are to increase throughput rate,decrcase packet collisions
due to propagation delay of hidden nodes and to provide savings in energy.This protocol combines both carrier lens
ing and a dialoguc between the sender and receiver prior to data transmission. Simulation results show that the pro
posed method is more effective than Slotted Medium Access Control Avoidance(MACA)and FAMA-norrpersistent
transmit request(FAMA-NTR) protocol.

陶文凤1，包永强2，赵力1，邹采荣1，左加阔1. 基于海底采集多路访问一清除发送协议的
水声通信介质访问控制协议
[J]. 南京大学学报(自然科学版), 2013, 49(1): 78–85.

Van Phuong Dao1**，Bao Yong一Qiang2，Zhuo Li 1，Zou Cai一Rong1 ，Zuo Jiu一Kuo1
. Slotted floor acquisition multiple access in medium access control
protocol for underwater acoustic communication networks*
[J]. Journal of Nanjing University(Natural Sciences), 2013, 49(1): 78–85.

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