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ber_OFDM_64s_1e4_withclipping_snr20_differCR_1_2_3
- 限幅方法降低OFDM系统误码率，不通限幅率的比较曲线-reducing the OFDM PAPR with different CR in Clipping methord
Untitled2
- 降低OFDM峰均比限幅方法CCDF曲线比较仿真程序。主要仿真参数为：子载波N=128,各支路采用16QAM调制，限幅率CR=1.4,仿真的OFDM符号数Nsymbol=10000。-Reduce the OFDM PAPR limiting method of CR = 1.4 CCDF curve simulation program. The main simulation parameters are: N = 128 sub-carriers, each branch with 16QA
mmm1
- OFDM is one of the best physical-layer candidates for cognitive radio (CR) systems, but rectangular pulse shaping gives rise to large spectrum sidelobes and interferes with the licensed user on the adjacent band. In this paper, an approach is
cr
- 通过介绍认知无线技术，让大家掌握基于CR的OFDM通信系统的搭建-failed to translate
Spectral-Efficiency-Analysis-in-OFDM-and-OFDM_OQA
- Spectral Efficiency Analysis in OFDM and OFDM/OQAM based Cognitive Radio Networks The future wireless communication is expected to be able to improve the efficiency of spectrum usage. To solve the challenge of spectrum shortage, an innovativ
CR-MIMO-OFDM
- 认知无线电(Cognitive Radio,CR)的概念起源于1999年Joseph Mitolo博士的奠基性工作，其核心思想是CR具有学习能力，能与周围环境交互信息，以感知和利用在该空间的可用频谱，并限制和降低冲突的发生-Cognitive radio (Cognitive Radio, CR) concept originated in 1999, Dr. Joseph Mitolo s groundbreaking work, the core idea is CR with learni
Resource-allocation-for-multiuser-cognitive-OFDM-
- we study the resource allocation problem for the multiuser orthogonal frequency division multiplexing (OFDM)-based cognitive radio (CR) systems with proportional rate constraints.
inter
- CR_OFDM系统中，自己编的，搜索没有被主用户占用的频带。-Compiled, CR in OFDM system, his search no band is occupied by a primary user.
OFDM信号频谱感10
- 前已提出的频谱感知方法主要包括匹配滤波器检测、 能量检测、 循环平稳特征检测以及多分辨率频谱感知. 这些方法均为单节点感知方法.然而，在阴影和深度衰落情况下， 单个节点的感知结果并不可靠， 因此， 需要对多个节点的感知结果进行融合，以提高检测可靠性， 即协作感知技术. 文献采用“或” 准则对各个 CR 感知结果进行融合. 文献则提出了基于 D-S 证据理论的协作频谱感知算法，虽然该算法的性能比“或” 准则或“与”准则要好， 但需要存储大量历史信息， 算法的计算复杂度也很高. 文献中分析了采用似然
OFDM
- 本程序采用CR对OFDM系统进行了限幅，运用matlab仿真实现了整个过程。