搜索资源列表
QPSK_TX
- a qpsk transmitter for digital communication system
Direct_Sequence_Spread_Spectrum
- 这是关于直接序列扩频通信系统的DS-CDMA方式的仿真设计，系统主要分为发送机和接收机两部分，包括17个可用于SIMULINK仿真的S-FUNCTION代码M文件，和一个MATLAB源程序的DOC文件，程序都有详细的注释。-This is a direct sequence spread spectrum communication system on the DS-CDMA mode simulation design, the system can be divided into two p
DS_CDMA_matlab_simulation
- 用于实现DS-CDMA通信系统仿真的程序 编码transmitter,receriver模块，并对传输信道增加高斯白噪干扰 是通信理论扩频技术的应用实例-Used to implement DS-CDMA communication system simulation program code transmitter, receriver module, and increase the transmission channel is a Gaussian white noise int
MC_CDMA_TX
- MATLAB OFDM Transmitter code
alamouti-vs-no-diversity-vs-mrc
- alamouti方案的误比特率仿真 包含无分集，发射分集(2Tx, 1Rx)，发射分集(2Tx, 2Rx)，MRC接收分集 (1Tx, 2Rx)的误比特率曲线 在matlab r2010b 中已运行通过。-alamouti program the mistakenly bit rate simulation contains no diversity transmitter sub-sets (2Tx, 1Rx) emission sub-set (2Tx, 2Rx) MRC
UWB BASEBAND ( TX RX Channel)
- This SYSTEM describes the IEEE 802.15.3a Multi-Band OFDM baseband detail algorithm and structure for both transmitter and receiver。 The following components will be addressed Signal detection Inner receiver architecture Outer receiver
ofdm_with_noise
- Extremely high performance radio-access technology that offers full vehicular speed mobility and that can readily coexist with HSPA and earlier networks. OFDM/OFDMA technology is introduced for the LTE downlink, supporting very high data rates of up
ofdm_without_noise
- Technology that offers full vehicular speed mobility and that can readily coexist with HSPA and earlier networks. OFDM/OFDMA technology is introduced for the LTE downlink, supporting very high data rates of up to 300Mbps while Single-Carrier FDMA (SC
URBANPATHLOSSMODEL
- The overall objective for LTE is to provide an extremely high performance radio-access technology that offers full vehicular speed mobility and that can readily coexist with HSPA and earlier networks. OFDM/OFDMA technology is introduced for the LTE d
OKUMURA
- mobility and that can readily coexist with HSPA and earlier networks. OFDM/OFDMA technology is introduced for the LTE downlink, supporting very high data rates of up to 300Mbps while Single-Carrier FDMA (SC-FDMA) is used in the uplink with data rate
allthebest
- Additionally, LTE supports operation both in paired and unpaired spectrum (FDD and TDD) using channel bandwidths of approximately 1.4MHz up to 20MHz. The frequency domain scheduling can be done in OFDMA. One of the main challenges in OFDMA is the hi
band
- A transmitter/reciever on simulink
greatwork
- 调制识别是非协作通信中的关键技术之一，在电子对抗、软件无线电等领域 应用十分广泛。该过程介于信号检测与解调之间，由于对传输信号没有过多的先 验信息以及在接收端有很多未知的参数，例如：信号功率，载波频率和相位偏移， 时间信息等，导致对调制方式的盲识别是一项很困难的任务。此外，实际中存在 多径衰落、频率选择性和时变信道等问题，使得这项任务变得更具有挑战性。 -The modulation recognition is one of the key technologies of
all_progs
- papr to differenrt number of subcarrier: we put N = 256,512,1024 and show the output ofp ccdf with papr when we use QPSK modulation. The PAPR ratio is a measure of the dynamic range in OFDM signals. Thus high PAPR induces a high dynamic range w
basic_ofdm_inter
- basic ofdm with interlever: The transmitter section converts digital data to be transmitted, into a mapping of subcarrier amplitude and phase. It then transforms this spectral representation of the data into the time domain using an Inverse D
OFDM_sim
- Simulates a simple OFDM transmitter/receiver (without CP) over a AWGN channel using 16-QAM or 64-QAM modulation
xindao-
- 衰落是由于发射机与接收机之间空间位置的微小变化引起的，描述小范围内接收信号场强中瞬时值的快速变化特性，是由多径传播和多普勒频移两者共同作用的结果，包括由多径效应引起的衰落和信道时变性引起的衰落，具有信号的多径时延扩展特性和信道的时变特性-Fading is caused due to a slight change of the position of the space between the transmitter and the receiver, the characteristics
STBC2
- 空时编码中相同发射端相同接收端数目，但分集书不同情况下误码性能对比仿真-Space-time coding the same transmitter the same number of the receiving end, but the diversity book under different circumstances BER performance comparison simulation
RANSMITTER_2PPM_TH
- 超宽带发射机，采样跳时脉冲位置调制方式进行。对于UWB学习非常重要-Ultra-wideband transmitter pulse position modulation, sampling jump. Is very important for UWB learning
func_rayforward
- 射线追踪正演程序，给定发射接收点位置和介质衰减系数。-Ray tracing forward procedure, given transmitter and receiver positions and medium attenuation coefficient.