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model to the fixed wimax physical layer including adaptive coding and adaptive modulation and can tarsmit on ofdm or MIMO ofdm
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adaptive modulation in WC
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bandwidth efficient and adaptive modulation scheme for didgital
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channel prediction for adaptive modulation in wireless communication
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Semidefinite Relaxation for Downlink OFDMA
Resource Allocation Using Adaptive Modulation uploaded by J.Yashashchandra (jyashashchandra@yahoo.com)
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为了提高MIMO-OFDM系统的数据传输率和频谱利用率,提出一种新的自适应算法。该算法在保证信道质量所需误码率和总发射功率的前提下,按照各个子载波衰落程度动态地分配比特和功率,使系统的总数据传输速率最大。理论分析得出,该算法降低了系统运算复杂度,能很大地改善系统的整体性能。-In order to improve data transmission rates and spectrum efficiency of MIMO-OFDM systems,this paper proposes a n
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The major evolution of UMTS (Universal Mobile Telecommunications System) in recent years
is the High Speed Downlink Packet Access (HSDPA)which provides data rates up to 10Mbps. The
implementation of HSDPA includes multicodes transmission in joint
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Efficient Subcarrier and Bit Allocation Algorithm
for OFDMA System with Adaptive Modulation
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Efficient Subcarrier and Bit Allocation Algorithm
for OFDMA System with Adaptive Modulation
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Efficient Subcarrier and Bit Allocation Algorithm
for OFDMA System with Adaptive Modulation
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本文着重研究网络中使用的MAC协议对语音传输过程的影响,以及无线传
感器网络中适用的语音编码算法。本文首先综述了现有无线传感器网络中常用
的MAC协议,对这些协议进行了分析比较。提出了一种新的基于TDMA的MAC
协议VR-TDMA,为了测试提出的协议性能,在NS2仿真平台上对该协议进行
了仿真,结果证明该协议具有良好的实时性能。然后研究了几种常用语音编码
算法的性能,通过比较研究,认为ADPCM语音编码算法的性能符合无线传感
器网络应用的要求,并对该算法进行了简化,减少
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This paper describes the protocol reference model of WiMAX,then analyzes the main features of WiMAX physical layer
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Furthermore,we gives the realization mode of WiMAX physical layer,i.e.WMAN—SC,WMAN—SCa,WMAN—OFDM,
WMAN—OFDMA,WirelessHUMAN.In c
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Performance Analysis of Joint Adaptive Modulation and Diversity Combining
in TDD-CDMA Systems
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LTE indoor outdoor adaptive modulation
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MIMO-OFDM自适应实现,如果有自适应调制,进行逐用户,逐OFDM符号,逐子载波的星座调制-MIMO-OFDM Adaptive be achieved if there is an adaptive modulation performed by the user, per OFDM symbol-by-subcarrier modulation constellation
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adaptive modulation for ofdm system using fuzzy logic
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自适应级数的QAM调制及解调并计算误码率(Adaptive series QAM modulation and demodulation and calculation of error rate)
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Adaptive OFDM Array modulation
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adaptive beamforming modulation
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英文版,《无线通信》重点论述当前各类无线通信系统中具有普遍性和代表性的基本知识,包括基本的理论、问题、设计思路和分析方法。全书内容包括无线信道模型、无线信道容量、无线通信中的调制编码技术及均衡处理技术、扩频通信,还包括多天线系统、多用户系统、多载波调制、自适应调制与编码、蜂窝系统及无线自组织网络等。书中每部分内容的讲述都有全新的视角和独特的处理方法,并配合丰富的图示、例题和习题。(goldsmith
"Wireless Communication" focuses on t
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