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.
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.
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.
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.
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.
系统无线接入信道频率。
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.
认知无线电可以通过动态频谱接入技术来有效的提高频谱的利用率，而在动态频谱接入中信道选择策略的优劣直接影响着系统的性能。
Cognitive radio can effectively improve the utilization of spectrum through dynamic spectrum access technology, in which the channel selection affects directly the performance of the system.
认知无线电可以通过动态频谱接入技术来有效的提高频谱的利用率，而在动态频谱接入中信道选择策略的优劣直接影响着系统的性能。
Cognitive radio can effectively improve the utilization of spectrum through dynamic spectrum access technology, in which the channel selection affects directly the performance of the system.
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