Description: 网络模拟器NS2的一个使用说明文档，比较详细有一定的参考价值-NS2 network simulator use of a document, a more detailed reference to a certain value Platform: |
Size: 54272 |
Author:而 |
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Description: 应用协同微粒群算法对一个4-6-1形式的神经网络进行离线训练.-Application of Cooperative Particle Swarm Optimization for a 4-6-1 form of neural network off-line training. Platform: |
Size: 3072 |
Author:duyanli |
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Description: 本文重点说明了 协作通信在移动网络中的应用。对其方法和具体过程进行了阐述。-This article focuses on the collaboration in the mobile communications network applications. Their methods and specific process are described. Platform: |
Size: 146432 |
Author:马瑞 |
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Description: Analyze a performance of cooperative networks over Rayleigh fading channels for different transmissions protocols. Platform: |
Size: 1024 |
Author:imran |
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Description: Cognitive Radios (CRs), which sense the spectrum and
implement opportunistic sharing when no licensed user is
found to use it, are able to improve the efficiency of
spectrum. Spectrum sensing must be firstly solved in CRs.
Cooperative sensing can make good use of network
resources, obtain higher gain and make the network steadier Platform: |
Size: 106496 |
Author:phong |
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Description: 讲述了无线传感器网络中协作分集的性能，对做协作通信肯定有帮助。-research on cooperation transmission and performance in wireless sensor network,it is help for doing cooperative communication Platform: |
Size: 642048 |
Author:小红 |
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Description: Partially MIMO Two-way Cooperative relay network.
It has developted for student research works. Platform: |
Size: 2048 |
Author:Lee |
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Description: 在这论文中，我们提出了跨层设计共同纳入
继电器的选择和最佳功率分配策略，以提高
合作网络寿命，大大降低整体
功耗。- In this paper, we proposed a cross-layer design jointly incorporating
best relay selection and power allocation strategies to increase
the cooperative network lifetime while minimizing the overall
power consumption. Platform: |
Size: 307200 |
Author:李超杰 |
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Description: In this paper, author consider
cooperative spectrum sensing in order to optimize the sensing
performance and focus on energy detection for spectrum sensing
and find that the optimal fusion rule is the half-voting rule.
Next, the optimal detection threshold of energy detection is
determined numerically. Finally, we propose a fast spectrum
sensing algorithm for a large network which requires Platform: |
Size: 158720 |
Author:hossein |
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Description: These
cooperations are facilitated by dynamically and opportunistically assigning one of the secondary users as a relay to assist the other
one, which results in more efficient spectrum hole detection. Also, we investigate the impact of erroneous detection of spectrum holes
and thereof missing communication opportunities on the capacity of the secondary channel. The capacity of the secondary users with
interference-avoiding spectrum access is affected by 1) how effectively the availability of vacant spectrum is sensed by the secondary
transmitter-receiver pair, and 2) how correlated are the perceptions of the secondary ransmitter-receiver pair about network spectral
activity. We show that both factors are improved by using the proposed cooperative protocols. Platform: |
Size: 1133568 |
Author:hossein |
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Description: A MATLAB based iterative threshold selection algorithm for cooperative sensing in a cognitive radio network. Platform: |
Size: 194560 |
Author:bunti |
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Description: 本书是“移动通信前沿技术系列”之一，全书共分18个章节，主要对协作通信及网络知识作了介绍，具体内容包括空时分集和编码、空时频分集与空时频编码、中继信道及协议、单中继协作通信、多节点协作通信等。全书内容分为三部分，第一部分回顾传统的MIMO系统，介绍空间、时间、频率分集的概念。第二部分主要考虑协作通信物理层的关键问题，并对其提出了行之有效的解决方案，比如针对协作通信的分布式特点，提出分布式空时(频)码；针对协作通信的频谱效率问题，提出了新颖和有效的协作方案。第三部分介绍协作通信对物理层之上的MAC层、网络层及应用层产生的影响，内容涉及如何协作路由，如何通过协作使网络覆盖范围增大，如何延长网络寿命等。-This book is one of the "cutting edge mobile communication technology series". The book is divided into 18 chapters, mainly on cooperative communications and network knowledge and specific content including the empty hours of collection and coding, space-time-frequency diversity and space-time frequency coding, relay channel and protocols, single-relay cooperative communication, multi-node cooperative communications. Platform: |
Size: 4773888 |
Author:郑永钊 |
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Description: 多天线与协作中继网络中的传输技 术研究 -Multi-antenna relay networks and collaborative technology transfer and collaboration in multi-antenna relay network operation of the transmission technology Platform: |
Size: 369664 |
Author:离散 |
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Description: 一篇北京邮电大学的博士论文。蜂窝网协作通信及相关技术研究 2010。关键词:协作通信，蜂窝网，多入多出，正交频分复用，频率复用系数，中继
-A Beijing University of Posts and Telecommunications doctoral thesis. Cellular communications and related technology research collaboration 2010. Keywords: cooperative communication, cellular network, multi-input, multiple output, orthogonal frequency division multiplexing, frequency reuse factor, relay Platform: |
Size: 6375424 |
Author: |
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Description: In this paper, we first propose an optimum relay ordering algorithm for the multi-branch multi-hop cooperative diversity networks. This optimum algorithm has a high complexity that makes it hard to implement. Therefore, a suboptimum relay ordering algorithm, which considerably reduces the complexity, is then developed. Furthermore, for a cooperative network with two relays, we analytically evaluate the performance of the suboptimum algorithm by using an approximate end-toend signal-to-noise ratio expression. Specifically, an approximate probability of wrong selection and an approximate expression of the symbol error rate are derived. The analysis and the numerical results demonstrate that the suboptimum algorithm performs very well as the optimum one at a much lower complexity. Platform: |
Size: 229376 |
Author:karim |
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Search - cooperative network