To solve the problems of high BER and large transmission delay in wireless Internet, there should be a comprehensive technology to improve wireline and wireless link.
为了解决无线上网中误码率较高和传输延迟大的问题,需要有一种用于改善有线和无线链路的综合性技术。
The orientation will involve a one-week lecture series aimed at giving undergraduate students a detailed overview of all research areas within the BER global change activities.
熟悉情况包括面向大学生,做一周的关于BER全球变化活动内所有研究领域详细回顾的系列报告。
It is an important action to improve the propagation quality of communication suffered from rising the BER on multipath propagation in digital mobile radio communication.
It detects signals for users with high BER after canceling detected signals for users with low BER in parallel.
它根据误码率信息有选择地实施干扰消除,先并行消除低误码率用户信号的影响,再检测高误码率用户信号。
The results suggested that when massage on right Weishu and right Zusanli the amplitude of BER has increasing or decreasing changes as compared With their pre-massage basic line.
Our lab's studies have found that BER in the brain is a highly regulated process after ischemia-precondition.
本实验室以前的研究发现脑缺血预适应过程中BER系统具有可逆性调控机制。
The BER performance of FDDD is affected by the channel coherent bandwidth and coherent time at the same time, and it is more sensitive to the change of channel coherent bandwidth.
Simulation shows co-channel interference and maximum multi-path delay spread have significant impact on the BER performance and PDMRC gives the best performance in most common environment.
仿真表明同信道干扰与最大多径延迟扩展对系统性能影响很大,在通常情况下采用PDMRC具有最好的性能。
The numerical results show that the theoretical BER performance of wideband CDMA system can be improved effectively by this scheme.
数值结果表明,采用这种方案能够有效地提高宽带CDMA系统的理论BER性能。
But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.
但两者都对载波频率偏移敏感,且在AWGN和多普勒频移环境下表现相当。
Simulation results indicate that power balancing can decrease BER at receiver when the number of receiver antennas is greater than that of transmitter.