Due to the intense change of the transmission environment, the mobile communication system can not work in the optimal source coding rate and channel coding rate.
由于传输环境的剧烈变化，移动通信系统不能工作在最佳的信源编码速率和信道编码速率。
For the characteristics of wireless channel such as time-variety and high BER, the rate adjustable RCPT code is good for channel coding.
由于无线信道的时变、高误码等特性，码率可变的RCPT码是比较理想的信道编码方式。
Unequal error method is done. Rate compatible punctured convolutional code—RCPC is adopted as the channel coding to carry out the UEP.
本文采用了一种可生成多码率码的特殊的删余卷积码——RCPC码作为信道编码技术，以实现不等差错保护机制（UEP）。
The results of simulation show that RS coding and interleaving are fit for the channel of space laser communication, and can largely decrease bit error rate(BER).
计算机仿真结果表明，RS编码和交织技术非常适合空间光通信信道，能大大降低系统的误码率。
Based on unequal error protection with jointing JPEG2000 source and FEC channel coding, a novel optimal rate allocation technology is proposed.
为了提高传输质量，结合JPEG2000信源和FEC信道编码的统计特性，提出了一种基于非均匀错误保护的最优码率分配技术。
At last, the code error rate performances in different coding method and different channel environment are analyzed and compared.
最后对不同编码方法在不同信道环境下做了误码率性能的比较分析。
Due to the limited bandwidth of communication channel, it is necessary to control the bit rate output of video coding.
由于通信信道带宽有限，有必要对视频编码的输出码率进行控制。
The model supports the multi-rate non-ideal channel using adaptive modulation and coding (AMC), which is the key feature in the wireless networks to increase the effective transmission rate.
该模型支持采用自适应调制和编码(AMC)的多速率非理想信道，而AMC在无线网络中是增加有效传输率的关键技术。
Using different RCPC rate coding, different channel protection capabilities are applied to the bitstream components with different importance.
对JPEG2000比特流中重要性不同的部分，用不同编码速率的RCPC信道编码给以不同程度的信道保护。
Such high data rate makes it challenging for channel coding design. The error correction coding for LTE should involve both the characteristics of low decoding complexity and good performance.
为了实现实时可靠通信，LTE的纠错编码要求具有：复杂度低、码字随机性好等特点。
Such high data rate makes it challenging for channel coding design. The error correction coding for LTE should involve both the characteristics of low decoding complexity and good performance.
为了实现实时可靠通信，LTE的纠错编码要求具有：复杂度低、码字随机性好等特点。
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