首先，给出了干扰协调的软频率复用原理。
First of all, the article introduces the Soft Frequency Reuse (SFR) principle of interference coordination.
最后，研究了降雨及去极化效应对频率复用双极化系统性能的影响。
Finally, the effect of the rainfall depolarization on the dual-polarization frequency reuse system is analyzed.
提高蜂窝系统容量的关键和难点在于减小由频率复用产生的同频干扰。
The key and crux to improve capacity of a cellular system is to abate the Co-Channel Interference (CCI) derived from frequency reuse.
本发明公开了一种基于OFDMA无线蜂窝网络的动态分数频率复用方法。
The invention discloses a dynamic fractional frequency reuse method based on an OFDMA wireless cellular network.
在网络规模不断扩大的情况下，由于频率资源的限制，频率复用度必然增加。
When net scale is expanding , because the limited of frequency souse , frequency reusing radio will increase .
通过对蜂窝系统的载干比的分析，计算了各种蜂窝系统的频率复用系数和系统容量。
The frequency reuse factor and the capacity of cellular systems are derived by analyzing and calculating the carrier to interference power ratio in the cellular radio system.
在蜂窝通信系统中，为了减小由于频率复用造成的共信道干扰，必须对用户的发送功率进行控制。
In cellular systems, transmitter power must be controlled in order to reduce the co-channel interference caused by frequency reuse.
为了在有限频谱范围内满足更多的用户需要，通信系统的蜂窝半径越来越小，频率复用密度越来越高。
To accommodate more users with limited spectrum, the radius of new cellular will be much smaller, the factor of spectrum reuse will be more tight.
通过仿真，分析并证实了静态软频率复用技术可对边缘用户吞吐量带来极大提升，同时给出并验证了系统中改进型比例公平调度器的最佳配置参数。
On this basis, the scheme of SFR based on power-reuse using modified proportional fair algorithm is studied to prove that SFR can greatly improve cell-edge users' throughput.
无线频率是稀有的资源，因此无线频率提供商使用多路复用技术通过一个频率发送多个呼叫。
Wireless frequencies are a scarce resource, so wireless providers use multiplexing to send multiple calls over a single frequency.
针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。
A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing (OFDM) system was presented.
协同通信可以实现对无线通信系统的频率、时间和空间等多维资源的有效复用，极大地提高了无线通信系统的抗衰落性能。
Cooperative communication can achieve effective reuse of frequency, time and space etc. resources in wireless communication system, and greatly enhance anti-fading performance.
为了减小正交频分复用系统受频率偏差的影响，在OFDM系统中设计了一种新的载波频偏估计算法。
To reduce the impact of carrier frequency offset in OFDM system, this thesis designs a new carrier frequency offset estimation scheme for OFDM system.
复用开关的一个简单例子就是将单台设备的输出连接到2台仪器，例如一台伏特表和一台频率计数器。
One example of a multiple closure would be to route a single device output to two instruments, such as a voltmeter and a frequency counter.
该芯片采用了改进的直接数字频率合成算法、流水线结构与ROM分时复用技术，保证了芯片的高性能和速度，节省了芯片面积。
A modified direct digital frequency synthesis (DDS), pipelined structure, and time-sharing ROM are adopted in the chip, for saving chip area and ensuring high performance and speed.
“通过使用多个频率来编码脸的两个不同部位-这个过程被称为多路复用-大脑可以在同一时间代码多个信号，”他说。
"By using multiple frequencies to encode two different parts of the face - a process called multiplexing - the brain can code more signals at the same time," he said.
提出了一种正交频分复用(OFDM)系统的频率和时间同步算法。
In this paper, a new frequency and symbol synchronization algorithm for OFDM systems is proposed.
本文提出了频率选择性衰变信道中采用了差分空频编码的正交频分复用(OFDM)传输方法。
This letter present a differential space-frequency coded orthogonal frequency-division multiplexing (OFDM) scheme over frequency-selective fading channels.
该合成器采用程控时分复用小数分频锁相技术，解决了快速跳频频率合成中的诸多固难。
Some technique problems in fast frequency hopping synthesis are solved by making use of a programmable time division-fractional division PLL.
正交频分复用(OFDM)技术能够有效的对抗无线信道的频率选择性衰落，成为无线通信领域的另一个研究热点。
Orthogonal frequency division multiplexing (OFDM) can effectively combat the multipath fading of wireless channels and has become another hot point in the area of wireless communications.
正交频分复用(OFDM)通信系统对频率偏移比较敏感，容易导致系统性能急剧下降。
OFDM (Orthogonal frequency Division Multiplexing) systems are sensitive to frequency offset, which will degenerate the system performance.
本发明涉及在正交频分复用（OFDM）接收机中补偿载波频率偏移的方法和系统。
The invention relates to a method and a system for compensating a carrier frequency offset in an orthogonal frequency division multiplexing (OFDM) receiver.
本发明涉及在正交频分复用（OFDM）接收机中补偿载波频率偏移的方法和系统。
The invention relates to a method and a system for compensating a carrier frequency offset in an orthogonal frequency division multiplexing (OFDM) receiver.
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