信道接入协议(MAC)是无线数据通信协议的重要组成部分。
Medium access control (MAC) protocol is an important component of the wireless data communication protocols.
针对信道接入层已有退避算法，提出了一种自适应慢速退避算法。
Based on the analysis of the existing backoff algorithms in access layer, this paper proposes an adaptive slow backoff algorithm.
在信道接入中为了提高包转发的效率，本文对802.11的MAC层控制帧做出一点改进。
In this thesis, we make a slightly modification for the control frame of the 802.11 MAC layer to enhance the transmission efficiency of packets in channel accessed.
仿真结果表明，提出的机制有效地降低了平均端到端时延和数据丢包率，提高了信道接入公平性。
The simulation results show that the proposed scheme can effectively reduce the average end-to-end delay, mitigate packet dropped ratio, and improve fairness of channel access.
文中提出了一种基于CDMA的无线DCS系统，分析了该系统的组成、原理、信道接入方式以及关键技术等。
This paper proposes a wireless DCS based on CDMA, and analyses the structure, operating principle, multichannel access protocols and the key technologies of this system.
简要介绍了EPON的一些关键技术，包括测距，ONU的自动加入，上行信道接入等技术，详细介绍了EPON测试方法和IXIA公司测试解决方案。
The paper introduces main EPON technology, which includes ranging, ONU joining and upstream transmit alignment, etc. It also introduces EPON testing methodology and IXIA test solution.
本文全面介绍了多元接入信道的编码问题。
The coding problems of the multiple access channels are described in this paper.
文章主要讨论了宽带码分多址(WCDMA)网络中无线小区随机接入信道(RACH)的数学建模方法及性能分析。
In this paper, we mainly discuss the mathematical modeling and performances of the Random Access Channel (RACH) of the wireless cells in WCDMA networks.
为了很好地利用移动信道，CDPD系统有一个功能复杂的MAC(媒质接入控制)层。
The CDPD system has a complex media access control (MAC) layer in order to make full use of mobile channels.
网络的无线接入需要在无线信道下保持传输数据时信息的高效性。
Wireless access to the Internet requires that information integrity be preserved while transmitting data over the radio channel.
在CD MA移动通信系统中，多址接入干扰可以通过多用户检测技术来消除，而分集接收可以减小信道衰落的影响。
In CDMA mobile communication systems, multiple access interference can be cancelled by multiuser detection technique. The degradation by channel fading can be reduced by diversity reception.
基于广播信道及多址接入信道的概念，提出了一种新的半双工中继协议，并对该协议下的资源分配问题进行了研究。
Based on the concepts of broadcast channel and multiple access channel, a novel half-duplex relay strategy was proposed, and optimal resource allocation under this strategy was investigated.
媒体接入控制技术的核心问题是如何协调多个用户共用一个信道实现高效可靠传输，即多址接入问题。
The medium access control Technology focuses on multi-address access, that is, how to coordinate users sharing a common channel to achieve efficient and reliable transmission.
通过对WCD MA和CDMA2000接入信道、增强接入信道的分析，比较了两种系统所使用接入技术的优劣。
The access technology of WCDMA and CDMA2000 systems is compared after analyzed the access channel and reinforced access channel of these two systems.
传统上，解决冲突的方法是采用MAC协议控制数据包接入信道和冲突后的重传管理。
Traditionally, MAC protocols are used to control channel accessing and manage retransmissions after collision.
“那儿不同不是较大的地方是，与一个向随机接入信道的从里面向年轻人物专访，”的俱乐部对说技能。
"There is no greater place than a club to rach out to young people," said the boss.
双忙音多址接入（DBTMA）协议是采用RTS/CTS对话机制来预约信道，通过引入两个窄带带外忙音信号来避免分组间冲突，解决了隐藏终端和暴露终端问题。
The operation of Dual Busy Tone Multiple Access(DBTMA) is based on the RTS/CTS packet and two narrow bandwidth, outofband busy tones. The RTS/CTS dialogue is used to reserve the channel.
该协议能够保证发送节点快速接入信道，从而大大提高信道的使用效率。
It improves channel utilization greatly and guarantees that a node accesses the channel rapidly.
接入信道用于短信令消息交换、能提供呼叫来源、寻呼响应、指令和注册。
The access channel is used for brief information exchanging, providing the source about the calling, the call responding, the instruction and the enrollment.
讨论了宽带plc接入网的结构，plc信道特性以及PLC使用的调制技术。
Discusses about the structure of PLC broadband access network, the character of PLC channel and the modulate technology used in PLC.
提出一种AP主控的切换式均衡算法，使用STA数目、RSSI和信道忙碌率等因素分配AP负载，并采用接入式算法思想，判断切换的目标AP是否接受超载AP的分流。
This paper proposes an AP-con trolled load balance algorithm based on the STA number, RSSI, and the channel busy ratio to allocate the AP's load.
多径及业务信道对扩频aloha接入性能有较大影响。
Multiple paths and numerous traffic channels significantly impact the SAMA access performance.
改进的无线自组网多址协议采用控制信道和接入信道分离设计，改善了网络的信道利用率和传输的可靠性。
With separated designs for control channel and access channel, this MAC protocol mechanism improves the channel utilization and the data transport reliability.
为解决无线网络中长传播时延所带来的信道资源利用率低的问题，提出一种基于快速预约按需发送（FRODT）的媒质接入控制（MAC）协议。
To solve low channel utilization problem caused by long propagation delay in wireless networks, a fast reservation on-demand transmission (FRODT) medium access control (MAC) protocol is proposed.
在研究红外信道特性的基础上，给出了一种用于提高红外无线互联网接入速率的HHH(1,13)码的编解码方案。
At last, it gives out a coding and decoding scheme of HHH (1, 13) code, which can advance the connection speed of infrared wireless Internet.
针对定向天线和无线信道的特点，有许多基于定向天线的接入控制协议被提出来，以实现信道的空分复用。
For the directional antenna and wireless channel characteristics, there are many directional antenna based access control protocols have been proposed to achieve channel spatial reuse.
举例来说，所述第二网络接入信息可以是系统信息、信道信息或接入点参数。
For example, the second network access information may be system information, channel information, or access point parameters.
根据系统的初始呼叫强度和离散接入帧长推导出系统主控信道总的业务量、接入时延及每时隙的平均接入个数，并分析了离散接入帧长对上述参数的影响。
The total call strength, access delay and average access calls for the main control channel are derived according to the initial call strength and discrete access frame length.
单小区多用户MIMO多接入系统性能受限于同信道干扰。
Single cell multiple user MIMO system is interference-limited by cochannel.
对基于SCDMA接入方案的H FC上下行通信系统的发送机进行了功能仿真，为H FC接入网上行信道物理层的硬件实现创造了有利条件。
The function model of HFC communication system sender based on SCDMA is constructed in this paper, The modules of communication system can be simulated approaching the behavior of the hardware.
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