Since it is very difficult to compute the sum rates capacity of Gaussian MIMO broadcast channels directly by using dirty paper coding approach,an iterative water-filling algorithm is proposed to obtain the sum capacity bound for multi-access channel and a suboptimal transmission policy to achieve the capacity bound is derived from the algorithm.
针对脏纸编码方法很难直接计算广播信道和容量域边界值问题,提出了一种计算多接入信道和容量的迭代注水算法以及获取最大和容量的次优传输策略,利用广播信道与多接入信道的对偶性,将该和容量结果和传输策略通过简单的映射关系转换成广播信道和容量的边界值和优化传输策略。
The capacity region with average power constraints of MIMO fading multi-access channels based on minimum rate requirements is analyzed and the optimal power allocation strategy is suggested.
分析了平均功率受限条件下,基于最小速率约束的MIMO多接入信道容量域,并给出了最优功率分配策略。
Low density parity check codes are used to multiple access channels and the user-specific check matrices are used as the unique characteristics.
将低密度校验码(LDPC)用于多址接入信道,直接采用不同的校验矩阵作为区分用户的唯一特征。
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.
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。
Study on Channel Access Mechanism of IEEE802.15.4 MAC Layer;
IEEE802.15.4MAC层信道接入机制的研究
A channel access-ba.
从节点级、链路级和网络级3个层次总结和评估了适用于无线传感器网络的能量保护策略;在网络层提出了基于信道接入分簇算法的路由协议,并简述了该算法的主要实现过程;通过OPNET仿真给出相关结果。
This paper firstly expounded the necessities of using clustering network structure in Ad Hoc networ k, then discussed applications and related issues of clustering network structu re in Ad Hoc network from various aspects, including cluster based routing, hierarchical mobility management, resource assignments and channel access schemes, flooding broadcast schemes, power control an.
首先阐述了 Ad Hoc网络采用分簇网络结构的必要性 ,然后从多方面讨论了分簇网络结构在 Ad Hoc网络中的应用及其相关问题 ,包括基于簇的路由、分级移动管理、资源分配和信道接入机制、洪泛广播、功率控制和蓝牙散布网络的形成 ,最后对全文进行了总
Research on configuration method for access channel in CDMA system;
CDMA系统中接入信道配置方式的研究
This article explains the structure and operation of CDMA access channel, introduces concepts to estimate and optimize CDMA IS 95 access channel capacity.
本文简要介绍了CDMA接入信道的特性,随后给出了接入信道容量的概念和计算方法,最后提出了优化接入信道容量的建议。
The system composition, communications protocol and software system of an improved multi channel access telephone are presented.
介绍了一种改进的多信道接续无绳电话的系统组成、通信协议和软件系统。
LDPC Optimization for Multiple Access Channels
用于多址接入信道的LDPC码的优化设计
A Hybrid MAC Protocol Based on Channel Reservation and Channel Awareness
基于信道预约及信道感知的复合多址接入协议
Performance Analysis of a Multi-Channel MAC Protocol Based on IEEE 802.11 Wireless LAN
基于IEEE 802.11的多信道多址接入协议性能分析
A MAC protocol, termed Dual Busy Tone Multiple Access( DBTMA), is a random access mechanism with high channel utilization for WLAN.
双忙音多址信道接入(BTMA)议是一种信道利用率较高的无线局域网信道随机接入控制方案。
Spectrum Self-Management in the Frequency Hopping Multi-Channel Reservation Multiple Access(FHMCRMA) Protocol
跳频多信道预约多址接入协议中的自主频谱管理
Direct sequence code division multiple access( DS/ CDMA) as a technique for underwater acoustic networks is attracting attention from researchers.
直接序列码分多址(DS/DMA)一种受关注的水下声通信网多址接入方案。
The Research of Multiple Access Schemes in Ultra Wideband Communication Systems;
超宽带（UWB）通信系统多址接入技术的研究
Research on Capacity and Multi-Channel Access Protocol of Ad Hoc Network;
Ad Hoc网络容量和多信道接入协议研究
QoS Performance Analysis and Improvement Schemes of CSMA/CA Wireless Systems;
CSMA/CA随机多址接入无线通信系统QoS增强算法及理论研究
Performance Analysis of CDMA Watermarking Channel Using Additive Embedding
基于叠加嵌入的码分多址数字水印信道性能分析
Study on Multiple Access Technique Based on OPNET
基于OPNET的多址接入控制技术研究
A New Multi-Access Scheme for PCTH UWB System
一种新的PCTH-UWB系统多址接入方法
Performance Analysis for Multiple Access of the Mobile-Cellular Model
移动蜂窝模型中的多址接入性能研究
The Multiple Access of Ultra-Wide Band based on Balance Gold Code
基于平衡Gold码的超宽带多址接入方式
Novel MAC Protocol Based on Adaptive Spread-Spectrum
基于自适应扩频技术的多址接入协议
Multiple-Access Performance Analysis in TH-PPM UWB System
TH-PPM UWB系统的多址接入性能分析
Emulation of FDMA Model Based on Matlab
频分多址接入模型设计及MATLAB仿真计算
Research on PAPR of uplink multiple access technology in LTE system
LTE系统中上行多址接入技术PAPR的研究