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- Furthermore, a HF agent protocol is proposed, which adopts I-TCP, SACK and the link layer protocol, the high bit error rate and the long delay would be overcome in this way. 同时,设计了一种在HF网关上的IP报文协议,该协议采用I-TCP协议、SACK以及本文所提出的链路层协议,该报方协议可以克服短波信道误码率高,时延大等不利于IP报文传输的缺点。
- The impulse noise is the greatest barrier existed in power line communication, which can lead to high bit error rate (BER).It is necessary to consider adopting complicated channel coding technology. 摘要脉冲噪声是电力线通信中存在的最大障碍,造成信号的误码率(BER)高,必须考虑采用复杂的信道编码技术。
- In order to solve the problem that performance of TCP is reduced due to higher bit error rate and bandwidth asymmetry in wireless networks,we put forward a Bi-direction Flow Control mechanism(BFC). 针对异构网络存在的高误码率和不对称带宽等特点使TCP性能降低的问题;本文提出了一种双向流量控制机制BFC;它根据数据链路的双向通信状况;在前后向两个信道进行流量控制.
- A Parallel Measurement of Bit Error Rate for High Bit Rate Fiber Optical Transmission Systems 高速光纤数字传输系统中误码率的一种并行测试方法
- high bit error rate 高误比特率
- At ISR = 10dB and BER (Bit Error Rate) = 10? 当干信比为10dB、误码率为10?
- Internet was developed for text-oriented network applications when line transmission rate was very low while Bit Error Rate (BER) was very high. Internet是在线路传输速率低、误码率高的通信条件下,以文本数据传输为主的应用背景下诞生的网络,历史证明它所提供的“尽力而为”服务完全能够满足文本数据传输服务质量的需要。
- We then simulate the BER(bit error rate) performance of WLAN by baseband model. 在蓝牙干扰存在的情况下,用物理层基带模型对WLAN的误码率性能进行了仿真;
- Thirdly, as the main performance of transmitter, the maximum data rate and Bit Error Rate (BER) have been analyzed. 接下来是对于系统主要性能的评估,对于数据发送器最主要的性能是极限数据率与误码率,这两个性能主要是由片上信号带宽以及信号完整性决定的。
- Bit Error Rate (BER) performance is investigated over Nakagami(m) multi?path fading channel. 本文给出了IS-95前向信道的调制和解调过程的数学模型,分析了IS-95前向信道在Nakagami(m)衰落信道下的误码率。
- Simulation results show that the bit error rate with MRC is identical to that with BLLR-GSC of L/2 branches. 仿真结果表明采用L支路基于信噪比的MRC的误比特率和选择L/2支路的BLLR-GSC的误比特率相等。
- TCP is a reliable point-to-point connection-oriented protocol, but the features of satellite network such as long delay, high bit error, and asymmetric bandwidth can result in very low channel utilization when TCP works over broadband satellite networks. TCP是面向连接的可靠点到点协议,但是由于卫星网络中典型的长延时、高误码率以及非对称带宽的特点,导致TCP通过宽带卫星网络时,信道利用率非常低。
- Without proper compensation for MAI and ISI, Bit Error Rate (BER) is generated highly. 如果不对多址干扰及码间干扰加以适当补偿的话,接收信号就会有很高的误码率。
- The union of the error correcting code and parameter-induced stochastic resonance (PSR) was proposed to reduce the bite error rate (BER) of the digital signal processing. 摘要为了有效地降低数字信号传输过程中的比特误码率,提出了纠错编码与参数调节随机共振技术的结合。
- First the average and worst Bit error rate(BER) expression of QS-CDMA system was deduced, when the synchronous error is uniformly distributed within the symmetrical area. 我们首先推导出了QS-CDMA系统同步误差在对称区间上均匀分布的平均情况和最坏情况下系统误码率(BER)的表达式。
- BERT, which is short for bit error rate tester, is an important apparatus for the performance test of digital communication system. 误码仪(biterrorratetester,BERT)是数字通信系统性能测试的重要仪器。
- When transmitting signal is below 500 Kbps, increasing the system power can reduce the bit error rate (BER) for the signal suffering only flat fading. 当码速率较低时(500Kbps以下),信号受到平坦衰落,增大系统功率可以降低系统误码率。
- The measurement results show that 10 -11 of bit error rate can be achieved and the power penalty is only 1.4dB when BER is 10 -9 . 测量结果表明误码率可达到10- 11, 误码率为10- 9时的功率代价仅为1?4dB。
- When the optimization parameter of PDR is used, the power of system transmission is the minimum but the same bit error rate (BER) is obtained. 当采用最优的比值时,为达到相同的误比特率,所需的发射总功率最低。
- Compared with initial Degree Distribution Based HARQ (DDB-HARQ) scheme, this scheme improves system performance such as bit error rate and throughput. 与原始的基于度分布的HARQ方案相比,该方案使系统的误比特率和吞吐量指标得到了明显改善。