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Description: 有三种ARQ协议，基于TURBO码的HARQ性能仿真，hsdpa仿真程序 等等
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Size: 2405624 |
Author: yaomingyidaicrc@126.com |
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Description: 系统仿真了HSDPA中的HARQ系统，对HARQ系统的吞吐量，重传次数做了分析描述-Simulation of HSDPA in the HARQ system, the throughput of the HARQ system, the number of retransmission made analyzed and described
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Size: 898048 |
Author: 谭 |
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Description: The major evolution of UMTS (Universal Mobile Telecommunications System) in recent years
is the High Speed Downlink Packet Access (HSDPA)which provides data rates up to 10Mbps. The
implementation of HSDPA includes multicodes transmission in joint application with Adaptive
Modulation and Coding (AMC) as well as Hybrid Automatic Repeat reQuest (HARQ).
This thesis deals with the implementation of the HSDPA simulator in FDD (Frequency Division
Duplex) mode according to 3GPP technical specifications. It also aims to study the HARQ
algorithms for HSDPA. The performance of AMC is significantly degraded when higher order
modulation (16-QAM) is used in a multipath environnement. Moreover, the HSDPA simulator requires
a very long time of computation to provide good performance in multipath channel. In order
to solve this problem, we have introduced a simplified simulator which exploits the performance
of HSDPA over gaussien channel as look-up tables to compute the block error rate in multipath
channel.
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Size: 801792 |
Author: |
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Description: 系统仿真了HSDPA中的harq系统，对HARQ系统的吞吐量，重传次数做了分析描述
turbo 码matlab编译码程序，包括map和siso译码算法-Simulation of HSDPA in harq system, HARQ throughput of the system, the number of retransmissions to do the analysis described decoding turbo code matlab procedures, including map and siso decoding algorithm
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Size: 13960192 |
Author: 小小学 |
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