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it is useful power allocation in ofdm technique by the water filling algorithm
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利用贪婪算法对ofdm系统进行子载波和功率分配,在误码率一定的情况下,是发射端的功率最低-Greedy algorithm using ofdm system subcarrier and power allocation, bit error rate in certain circumstances, is the minimum transmitter power
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In this paper, we integrate the channel assignment and
power assignment into a distributed channel access
algorithm. A cost-function is introduced to provide some
optional channels according to their cost for transmitted
power level searching
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MIMO信道下,单用户功率分配注水算法,达到信道容量最大化。-MIMO channel, single-user water power allocation algorithm to maximize the channel capacity.
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Efficient Subcarrier and Power Allocation Algorithm in OFDMA Uplink System . BY-J. YASHASHCHANDRA. RAO (jyashashchandra@yahoo.com)
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本程序主要介绍了经典注水功率分配算法、迭代分块注水功率分配算法以及考虑载波泄漏功率分配算法,并对他们的吞吐量做出了相应的比较。-This procedure introduces the classic water-filling power allocation algorithm, iterative sub-block water-filling power allocation algorithm and considering the carrier leakage power all
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本程序主要介绍了基于OFDM的认知无线电系统中最优功率分配的算法,从而确定CU的最大发射功率。-This procedure introduces a OFDM based cognitive radio system with optimal power allocation algorithm, so as to determine the CU maximum transmission power.
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OFDM功率分配算法仿真,他是基于非合作博弈论的,通过循环迭代实现-OFDM power allocation algorithm simulation, he is based on non-cooperative game theory, achieved through iteration
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单天线系统中的功率分配算法的性能比较,比较简单的入门级功率分配的程序-Compare the performance of single antenna system power allocation algorithm is relatively simple, entry-level power distribution program
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功率分配中的注水算法, 基本原理:
信噪比(即信号功率谱与噪声功率谱之和)为常数时,系统才能达到总信道容量最大的要求。
当SNR很大时,Pi等功率分配,注水算法功效消失。
在功率分配的问题中,只有满足注水定理时,才能达到信道容量最大化。
也就是说信噪比大的信道分得的功率多,信噪比小的信道分得的功率少。
使用拉格朗日乘子分配信道功率Pi使得信道容量最大。-The water fill algorithm for power allocation, basic principle
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在程序中,任意产生一个mimo的信道矩阵,分别使用注水法和等增益算法求出信道容量。结果得到子信道的功率分配,进行作图。(A channel matrix of MIMO is generated randomly, and the channel capacity is calculated by water filling algorithm and equal gain algorithm respectively. Power allocation of subchannels is o
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本文开发了一种自适应算法来估计mmWave信道参数,该算法利用了信道的较差散射特性。 为了使该算法有效运行,设计了一种新颖的分层多分辨率码本,以构造具有不同波束宽度的训练波束成形向量。 对于单路径信道,推导了使用所提出算法的估计误差概率的上限,并且获得了对算法自适应阶段之间训练功率的有效分配的一些见解。(This paper develops an adaptive algorithm to estimate the mmWave channel parameters that exploits
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