This a very simple baseband simulator for SC-FDMA system. This simulator is part of the upcoming book “Single Carrier FDMA: A New Air Interface for Long Term Evolution” (Wiley, Nov. 2008) which I co-authored with professor David J. Goodman at Polytechnic University. The purpose of this simulator is to give some concrete idea of how SC-FDMA system works. It does lack many realistic and sophisticated features such as channel coding, time-varying Fading channel model, soft decision decoding, etc. Regardless, I am hoping that it will help you understand SC-FDMA which is a fairly new development in 3GPP LTE.
標簽： simulator This baseband upcoming
上傳時間： 2016-08-26
上傳用戶：小草123
WLAN仿真－系統參數配置 系統參數主要分為2類： 一類是可以配置的，可以根據使用者的需求改變的參數 1）你打算讓這個仿真跑多少個OFDM符號？ 2）你打算采用什么樣的調制方式？ 3）你打算讓你的系統跑在什么樣的環境下，AWGN？Rayleigh Fading? 4）你的接收端采用什么樣的配置，比如，是否采用理想均衡，線性插值均衡，理想同步，頻偏糾正等等？ 5）你的信道采樣頻率是多少？你的載波頻率是多少？ 一類是固定不變的，發送端按照協議規定設置的一些參數 1）子載波個數，包括數據子載波，導頻子載波。 2）保護間隔，pilot和preamble的數值。 舉例：比如將這些參數匯總在一個m文件，global_parameter.m
上傳時間： 2016-11-09
上傳用戶：aeiouetla
Error probability performance for W-CDMA systems with multiple transmit and receive antennas in correlated Nakagami Fading channels
標簽： probability performance antennas multiple
上傳時間： 2014-01-08
上傳用戶：WMC_geophy
Single/Multipath Channel Model Verificaiton EbNo vs. BER/SER under AWGN BPSK vs. QPSK Theory vs. Simulation AWGN vs. Flat Fading Channel Most files are written by myself, enjoy it. Figures are attached.
標簽： Verificaiton Multipath vs Channel
上傳時間： 2013-11-26
上傳用戶：hwl453472107
We simulate uncoded BER of BPSK modulated data as a function of SNR -in an AWGN channel -in a Rayleigh Fading channel -in an AWGN channel when direct sequence spreading is used and compare results to the theoretical ones. We assume coherent receiver and perfect synchronization.
標簽： modulated simulate function channel
上傳時間： 2014-01-11
上傳用戶：1109003457
source code for awgn,BPSK modulation and demodulation,channel simulation,convolution encoder,data generator,encoder and Fading channel
標簽： demodulation convolution modulation simulation
上傳時間： 2017-04-14
上傳用戶：13517191407
Performance analysis of wireless networking with interleaving on the receiver side over Rayleigh Fading channels.
標簽： interleaving Performance networking analysis
上傳時間： 2017-05-27
上傳用戶：lanhuaying
In 揚erformance of multi-carrier DS CDMA Systems?we apply a multi-carrier signaling technique to a direct-sequence CDMA system, where a data sequence multiplied by a spreading sequence modulates multiple carriers, rather than a single carrier. The receiver provides a correlator for each carrier, and the outputs of the correlators are combined with a maximal-ratio combiner. This type of signaling has the desirable properties of exhibiting a narrowband interference suppression effect, along with robustness to Fading, without requiring the use of either an explicit RAKE structure or an interference suppression filter.
標簽： multi-carrier erformance signaling technique
上傳時間： 2017-07-31
上傳用戶：宋桃子
用于通信信道服從萊斯分布的仿真。注意：適用于產生0101碼，并且用星座圖判別誤碼率的仿真。
標簽： fician Fading;通信
上傳時間： 2015-05-18
上傳用戶：wen123
Lithium–sulfur batteries are a promising energy-storage technology due to their relatively low cost and high theoretical energy density. However, one of their major technical problems is the shuttling of soluble polysulfides between electrodes, resulting in rapid capacity Fading. Here, we present a metal–organic framework (MOF)-based battery separator to mitigate the shuttling problem. We show that the MOF-based separator acts as an ionic sieve in lithium–sulfur batteries, which selectively sieves Li+ ions while e ciently suppressing undesired polysulfides migrating to the anode side. When a sulfur-containing mesoporous carbon material (approximately 70 wt% sulfur content) is used as a cathode composite without elaborate synthesis or surface modification, a lithium–sulfur battery with a MOF-based separator exhibits a low capacity decay rate (0.019% per cycle over 1,500 cycles). Moreover, there is almost no capacity Fading after the initial 100 cycles. Our approach demonstrates the potential for MOF-based materials as separators for energy-storage applications.
上傳時間： 2017-11-23
上傳用戶：653357637
