time-division multiple access

An improved pseudo-chaotic time hopping scheme for UWB multiple access

UWB系统的一种改进型伪混沌跳时多址接入技术

In order to reduce the effects of MUI, this paper presents a novel waveform design method based on wavelet& combined waveforms, and this waveform is used in a multiple access system with time hopping ( TH) sequence.

为了降低多用户干扰的影响，提出了一种新型的基于正交小波的脉冲波形构造方法&组合波形，并且将这种波形连同跳时序列一起应用到多用户系统中。

Time-Division Multiple Access ( techniques )

分时多通路 ( 技术 )

A brief introduction of hybrid time-division multiple access protocol contains the basic idea; the details including the state defined time slot, frame structure, and logical process.

简要介绍了混合式时分多址接入协议的基本思想；详细论述了混合式时分多址接入协议的具体细节，包括时隙状态定义、帧结构、以及逻辑过程。

In DS CDMA channels with multipath and multiple access interference, this paper estimates blindly the user channel with extended space time channel model to process the blind MMSE detection.

在多径多址干扰DS CDMA环境中，本文根据空时信号模型，用扩展的盲方法估计用户信道，从而进行盲MMSE检测。

Time-Division Multiple Access ( techniques)

分时多通路（技术）

In fact, in the real multiple access system with DNF network coding a pair of users, communicating with each other, only need one multi-access carrier ( time slot, subcarrier, spreading code).

采用DNF网络编码的多址接入系统，相互通信的用户对可以共用同一多址资源块（时隙、子载波、扩频码等）。

In this paper, the multiple access performances of spread spectrum with chaotic sequence and that with pseudo-random sequence, pseudo-( chaotic) time hopping and conventional time hopping are compared, in terms of theoretical analysis of bit error rate, simulation results and the receiver.

从误码率理论分析、性能仿真和接收机结构等几个方面对混沌序列扩频与伪随机序列扩频、伪混沌跳时与传统跳时多址接入方式进行比较研究。

Then the key technologies of air interface are put forward, including the direct sequence spread spectrum, full-duplex, time-division multiple access, code-division multiple access, error control, mobility management and data communication protocol.

然后分析了无线数据平台使用的技术：直接序列扩频、全双工、时分复用多址、码分复用多址、差错控制、移动性管理、数据通信协议；

Burst-mode transmission is widely employed in Time-division multiple access ( TDMA) mobile communication system and Ad-hoc networks.

突发通信正广泛应用于TDMA和无线移动自组织网络等各种多接入通信系统中。