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在matlab中实现ofdm中子载波分配,希望对大家有用!-Matlab achieved in neutron OFDM subcarrier allocation, I hope useful for all of us!
Date : 2025-07-15 Size : 1kb User : 侯祖磊

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正交频分复用是一种多载波宽带数字调制技术。相比一般的数字通信系统, 它具有频带利用率高和抗多径干扰能力强等优点,因而适合于高速率的无线通信系统。- OFDM Simulator -------------------------------------------------------------------------------- MIMO OFDM Simulator: OFDM.m: OFDM Simulator (outer function) create_channel.m: Generates a Rayleigh fading frequency-selective channel, parametrized by the antenna configuration, the OFDM configuration, and the power-delay profile. svd_decompose_channel.m: Since full channel knowledge is assumed, transmission is across parallel singular value modes. This function decomposes the channel into these modes. BitLoad.m: Apply the bit-loading algorithm to achieve the desired bit and energy allocation for the current channel instance. ComputeSNR.m: Given the subcarrier gains, this simple function generates the SNR values of each channel (each singular value on each tone is a separate channel). chow_algo.m: Apply Chow s algorithm to generate a particular bit and energy allocation. EnergyTableInit.m: Given the SNR values, form a table of energy increments for
Date : 2025-07-15 Size : 180kb User : 田静

:该文研究OFDM 系统在总功率和误比特率限定下最大化传输速率的问题,并且考虑实际系统中整数比特的限制, 提出基于灌水法则的两种比特分配算法——改进贪婪算法和对分灌水线搜索法-The maximization of data rate under the constraint of total transmit power and bit error rate is a considerable issue in OFDM system. Recognizing that the number of bits on each subcarrier must be a discrete number for real systems, this paper proposed two bit allocation algorithm which are modified greedy algorithm and water filling level binary searching algorithm.
Date : 2025-07-15 Size : 257kb User : hodog

本文研究OFDM中最佳比特分配,试图在有限功率内达到传输比特最大化-This paper investigates subcarrier and power allocation in multiuser OFDM. The aim is to maximize the overall rate while achieving proportional fairness amongst users under a total power constraint.
Date : 2025-07-15 Size : 165kb User : hodog

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
Date : 2025-07-15 Size : 1kb User : 曹欢

在空时分组码的MIMO-OFDM系统条件下,对信道,子载波,比特和功率进行分配,仿真结果表明,系统有良好的吞吐量性能-Space-time block codes in MIMO-OFDM system under the conditions of the channel, subcarrier, bit, and power allocation, simulation results show that the throughput of the system has good performance
Date : 2025-07-15 Size : 301kb User : 曹欢

Multiuser OFDM with Adaptive Subcarrier, Bit, and Power Allocation BY- J.Yashashchandra.Rao (jyashashchandra@yahoo.com)
Date : 2025-07-15 Size : 152kb User : Ashiwinilade

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MIMO.OFDM系统的子载波、功率和比特分配 MIMO技术能不增加系统带宽却提高系统容量和频谱利用率-The MIMO.OFDM system subcarrier, bit and power allocation MIMO technology can not increase the bandwidth of the system can improve the system capacity and spectrum efficiency
Date : 2025-07-15 Size : 7kb User : sunyidu

该程序用matlab仿真了OFDM下行链路的资源分配,包括功率和比特分配、子载波分配-The program matlab simulation the OFDM downside link distribution of resources, including power and bit allocation, the subcarrier allocation
Date : 2025-07-15 Size : 16kb User : 刘伟

多用户OFDM系统中的联合子载波和功率分配算法参考文献-Joint subcarrier and power allocation algorithm in multi-user OFDM system
Date : 2025-07-15 Size : 395kb User : daniel

多用户多速率OFDM中的子载波分配和功率控制参考文献-Subcarrier allocation and power control in multi-user multi-rate OFDM
Date : 2025-07-15 Size : 240kb User : daniel

 多输入多输出正交分频多工模拟器。    正交分频多工:OFDM模拟器(外层函数)         create_channel:产生一个瑞利衰落信道复用,解的天线配置、正交分频多工结构、power-delay档案。         svd_decompose_channel:既然全网络知识是假设,在并行传输奇异值模式。这个函数分解这些频道模式。         BitLoad:适用bit-loading算法来实现预期的钻头和能量 -MIMO OFDM Simulator: OFDM.m: OFDM Simulator (outer function) create_channel.m: Generates a Rayleigh fading frequency-selective channel, parametrized by the antenna configuration, the OFDM configuration, and the power-delay profile. svd_decompose_channel.m: Since full channel knowledge is assumed, transmission is across parallel singular value modes. This function decomposes the channel into these modes. BitLoad.m: Apply the bit-loading algorithm to achieve the desired bit and energy allocation for the current channel instance. ComputeSNR.m: Given the subcarrier gains, this simple function generates the SNR values of each channel (each singular value on each tone is a separate channel). chow_algo.m: Apply Chow s algorithm to generate a particular bit and energy allocation. EnergyTableInit.m: Given the SNR values, form a table of energy increments for each channel. campello_algo.m: Apply Campello s algorithm to converge to the optimal bit and energy allocatio
Date : 2025-07-15 Size : 14kb User : liufan

一种低复杂度的OFDM资源分配算法,包括功率分配 子载波分配-A low-complexity OFDM resource allocation algorithm subcarrier allocation, including power distribution
Date : 2025-07-15 Size : 16kb User : ahu

Power and Bit Allocation for Wireless OFDM Channels with Finite-Rate Feedback and Subcarrier Clustering
Date : 2025-07-15 Size : 858kb User : xiaozhang

改进的OFDM 子载波分配、功率分配 注水算法-Improved OFDM subcarrier allocation, power allocation, algorithm water
Date : 2025-07-15 Size : 9kb User : vidan

介绍了OFDM的资源分配,分为两步:第一步是子载波分配,第二步是功率分配(The resource allocation of OFDM is divided into two steps: the first step is the subcarrier allocation, and the second step is the power allocation.)
Date : 2025-07-15 Size : 71kb User : chenzhaobang
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