载波侦听

多帧确认及虚拟载波侦听的水声MACAW协议

MACAW Protocol for Underwater Acoustic Networks Based on Multi-frame Acknowledgement and Virtual Carrier Sense

带有冲突检测的载波侦听多路存取。

In network context : Carrier Sense Multiple Access with Collision Detection .

针对水声通信网单信道MAC协议时延长、吞吐量低、数据冲突频繁的缺点，提出了水声通信网的载波侦听双信道MAC协议。

As the large delay , low throughput and frequent data collision in single-channel underwater acoustic networks , this paper devises a dual-channel MAC protocol based on carrier-sense .

介绍了该芯片的主要性能，以及以太网帧结构、CRC（循环冗余校验）-32的实现和载波侦听协议。

This chip is of low power consumption and has high performance . This paper also introduces the structure of Ethernet , CRC-32 and CSMA / CD .

在无基站（AP）的多跳无线网络中，物理载波侦听机制存在着固有的隐蔽终端和暴露终端问题，两类问题都会影响网络空间重用的程度，进而影响网络的总吞吐率。

In wireless multi-hop networks without AP , physical carrier sensing has hidden terminals and exposed terminals problems which are affect on spatial reuse , and aggregate throughput of the network .

对DCF做了详细介绍，重点研究了其中的载波侦听、MAC级确认、帧间隔、随机退避时间和DCF访问过程等，这些分析为第五章程序的编写打下了基础。

In DCF , we put special emphasis on the carrier-sense mechanism , MAC-Level acknowledgments , interframe space ( IFS ), random backoff time , and DCF access procedure .

本文对数据帧选用OAR经典速率自适应算法，而对控制帧提出了一种速率自适应算法，该算法通过修改虚拟载波侦听，并借助扩展帧间间隔EIFS和物理载波侦听来实现控制帧速率自适应。

This paper adopts the classical rate adaptation algorithm of OAR for the data frame and presents a novel rate adaptation algorithm for the control frames by modifying the virtual carrier sensing and with the help of extended inter frame space EIFS and physical carrier sensing .

无线局域网中的载波侦听

The Detection of Carrier Sense in Wireless Location Area Network

无线多跳网络结合功率控制的物理载波侦听分析模型

Analytical Model for Physical Carrier Sensing with Power Control in Multi-Hop Wireless Networks

干扰感知的载波侦听门限自适应调整协议。

Interference-aware Physical Carrier Sensing Protocol .

无线局域网采用载波侦听控制机制，这种机制会引入各种控制帧。

The WLANs uses a carrier sense multiple access mechanism , which leads a more control frames .

建立的模型能够比较真实地模拟无线局域网物理层所具有的发送信号、接收信号和载波侦听的功能。

The established model can vividly simulate the basic functions of physical layer of WLAN such as signal transmitting , signal receiving and carrier sensing .

最后，折衷考虑侦听范围和随机噪声对网络性能的影响，提出了自配置载波侦听门限的基本思想。

Finally , a basic idea of self-configuring carrier sensing threshold is proposed , which is the tradeoff of the effects on the network performance of the carrier sensing range and stochastic noise .