无线资源管理协议负责为CDPD数据流选择一个合适的信道进行数据传输。
Radio resource management protocol is in charge of selecting one better channel for CDPD data transmission.
高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
码间干扰被认为是在移动无线通信信道中传输高速率数据时的主要障碍。
Inter symbol interference is regard of transporting the high rate data main obstacle in the wireless mobile channel.
目前，研究适合于信道出错、通道容量可变的无线网络理想流调度系统及其数据包调度算法是无线领域研究的一个热点问题。
At present, the work related to ideal flow scheduling system and packet scheduling algorithm for error-prone wireless channel is a hot topic in the research field of wireless communication.
在理论分析的基础上，结合对大量试验数据的分析，给出了空基型导弹图像传输系统无线窄带信道的基本模型。
Based on the analysis of theory data, this paper brings the base model of wireless narrow-band channel for air-based missile image transmission system.
目前，正交频分复用(OFDM)技术因能在无线时变信道中进行高速数据传输而受到广泛的关注。
At present, more comprehensive attention has been taken to OFDM technology in data transmitting systems with wireless time-varying channel.
在低速率的无线信道上传输视频数据，并保证视频图像的主观质量是视频通信的难点。
It is difficult to transmit the video data in low-speed narrow-band wireless channel and guarantee the subjective quality of video image during video communication.
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.
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.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
但无论在IP网络还是在无线移动网络信道中，误码的产生、数据的丢失总是难以避免。
Whether in IP network or in the channel of wireless mobile network, error code or noise of signal and loss of data are always appear unavoidably.
本发明提供了一种在一个无线信道上发射主机数据的发射机(500)。
A transmitter (500) is provided for transmitting host data over a wireless channel.
传输部分由中国移动提供的通信信道借助GPRS无线分组交换技术，实现数据透明转发。
Transmits partially the communications channel which provides by China mobile with the aid of the GPRS wireless grouping exchange technology, realizes the data transparently to retransmit.
首次研究白高斯噪声（AWGN）信道下超宽带无线电通信系统中单个数据包单元发射信号能量的优化。
In this paper, the optimization of the transmitted signal energy for a data packet unit in UWB radio communications in additive white Gaussian noise(AWGN) channel is firstly investigated.
因此，解决视频等高速率数据业务通过无线信道的鲁棒传输成为一个紧迫的问题。
Thus, it becomes a pressing problem to solve robust transmission for video business over wireless channels.
并通过对实测数据的传递和分析证实了基于无线信道的HOFSA自诊断系统的可行性。
The disposed result of the transferred testing data confirm the feasibility of HOFSA for self-diagnoses based on wireless link.
正交频分复用（OFDM）技术是近几年兴起的一种在无线信道上实现高速数据传输的新技术。
Orthogonal Frequency Division Multiplexing (OFDM)technology in recent years is the rise of a wireless channel to achieve high-speed data transfer of new technologies.
因此，解决视频等高速率数据通过无线信道的鲁棒传输成为一个紧迫的问题。
So it becomes a pressing problem to solve robust transmission of video over wireless channels.
基于所述参考信道的传输功率来调整使用第二无线电技术（例如，OFDMA）发送的数据信道的传输功率。
The transmit power of a data channel, sent using a second radio technology (e. g. , OFDMA), is adjusted based on the transmit power of the reference channel.
MIMO技术通过采用多个发射天线和接收天线可以显著提高无线通信系统的信道容量，增强数据传输的可靠性。
MIMO systems can increase the channel capacity and enhance the transmission reliability by employing multiple antennas at the transmitter and receiver.
多载波调制技术是一种并行数据处理方式，有效地对抗多径衰落，可以提高无线带限信道的数据传输速率。
Multicarrier modulation is a form of parallel data transmission, which is efficient to reduce the detrimental effects of multipath fading.
OFDM是一种无线传播环境下的高速传输技术，适合在多径传播和多普勒频移的无线信道中传输高速数据。
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
自组织网络中无线信道的时变特性和网络拓扑的不断变化导致了链路的频繁断续，使得数据包大量丢失。
In AdHoc network, the pause of chain-lines is caused by the continuous change of wireless channel and the expanding of network, which leads to the loss of the data package.
用于定位的基于信道模型的方法则比较接收信号强度测量值和根据无线信道模型创建的信号强度数据库。
A channel model based approach used in providing location positioning may compare receive signal strength measurements to a database of signal strengths created using a wireless channel model.
要在两地间传输信息必须有传输信道，根据传输媒体的不同，有有线数据通信与无线数据通信之分。
In between two transmission of information must have a transmission channel, according to the different transmission media, cable and wireless data communications data communications breakdown.
本论文技术对无线自组织网络多信道数据速率控制和信道切换问题进行了深入的研究。
This thesis carries a deep study on new techniques of wireless AD hoc networks and puts emphasis on multi-channel rate control and multi-channel switching.
然后，针对多信道无线自组织网络数据传输和时延分配调整问题，本文提出了时延受限的多信道传输速率控制的分布式算法。
Secondly, this thesis proposed a model of end-to-end delay-constrained data transmission rate control for multi-channel wireless ad hoc network.
然后，针对多信道无线自组织网络数据传输和时延分配调整问题，本文提出了时延受限的多信道传输速率控制的分布式算法。
Secondly, this thesis proposed a model of end-to-end delay-constrained data transmission rate control for multi-channel wireless ad hoc network.
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