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随着无线mesh网络的普及，其规模和复杂程度持续发展。然而多跳的mesh网络遇到越来越多的难题，比如带宽降低，无线干扰以及网络时延等。譬如，在网络中的每一跳吞吐量会下降多达50％，连续多跳情况下吞吐量下降得更迅速，其结果将导致网络性能的严重降低。在语音和视频应用大量运行的极端情况下，时延和RF干扰将达到不可接受的程度，而导致连接完全中断-wireless mesh network with the popularity of its size and complexity of sustaina
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随着无线mesh网络的普及，其规模和复杂程度持续发展。然而多跳的mesh网络遇到越来越多的难题，比如带宽降低，无线干扰以及网络时延等。譬如，在网络中的每一跳吞吐量会下降多达50％，连续多跳情况下吞吐量下降得更迅速，其结果将导致网络性能的严重降低。在语音和视频应用大量运行的极端情况下，时延和RF干扰将达到不可接受的程度，而导致连接完全中断-wireless mesh network with the popularity of its size and complexity of sustaina
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TCP性能分析。两个分析模型：拥塞控制，各种场景；给出仿真练习；-two analytical models for TCP’s throughput are compared with simulated
results. Based on the study, an ns2 simulation exercise is developed for the course “Simulation of
telecommunications networks”. The goal of t
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Ajey, S., B. Srivalli, et al. (2010). On performance of MIMO-OFDM based LTE systems. Wireless Communication and Sensor Computing, 2010. ICWCSC 2010. International Conference on.
4G wireless systems predominately employ multiple input multiple outp
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一篇关于TCP-Vegas的文献:Vegas is an implementation of TCP that achieves between 37 and 71％ better throughput on the Internet, with onefifth to one-half the losses, as compared to the implementation of TCP in the Reno distribution of BSD Unix. This paper mot
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SimEvents® extends Simulink® with tools for discrete-event simulation of the transactions between components in
a system architecture. You can use the architecture model to analyze performance characteristics such as
end-to-end latencies, t
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simulation study of throughput performance for wifi and wimax using ns2
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网络服务正在更新换代并且可扩展设备被设计成可提供在元计算环境中动态资源行为预测。这篇文章里，我们描述了预测产生的的设计和预测行为的细节。当预测方式为普通方式时，我们关注与他对TCP/IP端到端吞吐量能力的预测和在不同地点使用不同系统会带来的延迟量。因为在元计算软件的基础上网络预测需要计划的支持和质量服务保证的提高。-The Network Weather Service is a generalizable and extensible facility designed to provide
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The ARM7TDMI is a member of the Advanced RISC Machines (ARM) family of
general purpose 32-bit microprocessors, which offer high performance for very low
power consumption and price.
The ARM architecture is based on Reduced Instruction Set Compu
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In today’s most of the Adhoc networks needs the reliable connection to transfer the data. Most number of
data packets loss is experienced in the Adhoc networks due to Transfer control protocol(TCP)’s high channel
error rate and link failur
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Resource allocation in OFDMA system by low complexity algorithm using M-QAM modulation:- In this the resource allocation of downlink of mobile communication in OFDMA system is efficiently done by the use of low complexity algorithm and the type of mo
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Mobile Ad-Hoc network is a collection of mobile nodes in communication without using infrastructure. De-spite the importance of type of the exchanged data between the knots on the QoS of the MANETs, the mul-tiservice data were not treated by the larg
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文档中介绍首先介绍了多用户MIMO模型，以及LTE中的多用户MIMO方案，通过仿真分析总结出当用户数较少时，在高信噪比条件下，ZF方案的系统吞吐量性能明显优于PU2RC方案。-Document describes first introduced a model of a multi-user MIMO, and LTE multi-user MIMO scheme, by simulation analysis summed up when the number of users is sma
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希算法SHA-1算法广泛地应用于电子商务、商用加密软件等信息安全领域。通过对SHA．1算法的深入
分析，提出了流水线结构的硬件实现方案。通过缩短关键路径，使用片内RAM代替LE寄存器实现流水线中间变量
的数据传递，有效地提高了工作频率和单位SHA-1算法的计算速度。这种硬件结构在Altera系列芯片上的实现性能
是Ahera商用SHA-1算法IP核的3倍以上。-Hash algorithm SHA-1 is used widely in cryptographic applicati
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WEB服务器集群系统中负载平衡的设计与实现
-With the increase of users and dense tasks in Internet and Intranet, the transacting capability
of the single Web server is limited, which has already become the new bottleneck of network visiting. If
the Web server clust
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The new emerging QoS architectures are motivated by the desire to improve the
overall performance of an IP network. Differentiated Services (Diffserv) define a model for
implementing scalable differentiation of QoS in the Internet. Multiprotocol
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Energy consumption is prominent and critical issue faced by wireless sensor networks.
The maximum amount of energy is consumed when the sensors communicate with each other.
Therefore energy efficient routing mechanisms are required. In this paper
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This master thesis work is focused on measurement based performance analyses of different special multiplexing (SM) modes available in LTE Release 8 networks using the same LTE base stations as used in this study. Field measurements have been carried
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This paper illustrates the results of the throughput of Secondary User (SU) in cognitive radios under
cooperative scenario with the use of evolutionary algorithms in the presence of additive white Gaussian (AWGN)
noise. In this work, the performa
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对射频识别中aloha算法的吞吐率、时延性能进行了仿真，并与帧时隙aloha算法进行了对比。-The throughput and delay performance of Aloha algorithm in radio frequency identification are simulated and compared with frame time slot Aloha algorithm.
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