该方法使用了时频同步跟踪环路，从数据子载波提取相位误差，并利用频域插值补偿多个用户的估计频偏。
The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.
对于非实时用户，按照数据率比例公平的要求，子载波和功率分配分离进行。
Subcarrier and power allocation is performed separately for non-real time users with the proportional rate constraints.
为了兼顾公平，又提出了传输速率最小的用户传输速率最大化的子载波分配算法。
For fairness concerning, another subcarrier allocation algorithm is proposed to maximize the minimum user's rate.
天线与子载波分配是多用户MIMO - OFDM系统无线资源管理中的重要内容。
Allocation of antennas and subcarriers is one of most important issue for multiuser MIMO-OFDM system radio resource management.
在OFDMA中，相临的多个子载波被分配给不同的用户来为用户并行低速传输数据。
In OFDMA, closely spaced multiple subcarriers are assigned to different users for parallel data transmission.
研究了基于正交空时分组码的多用户OFDM系统的自适应子载波分配算法。
An adaptive subcarrier allocation algorithm for multiuser OSTBC-OFDM system is discussed in this paper.
针对全球微波接入互操作性系统中自适应调制编码子载波分配方式，该文提出一种基于多用户分集的资源分配算法。
This paper proposed a resource allocation algorithm based on multiuser diversity based on the subcarrier allocation of adaptive modulation and coding.
采用遗传算法搜索子载波最优分配方案，对多用户正交频分复用多址接入(OFDMA)系统资源分配问题进行了研究，提出了一种多载波比例公平调度算法G - PFS。
Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access (OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
目前的中高压电力线载波通信的传输速率都很低，只能应用于低速的场合，用户容量有限。
At present, transmitting speed of medium and high voltage power line carrier is very low, and these kinds of carriers can be used only in low speed situation, and the number of user is limited.
在目前的OFDM系统中，在任何一个特定的时间，只有一个用户可以在所有副载波上进行传送；利用时分或者频分多路访问机制来支持多个用户。
In current OFDM systems, only a single user can transmit on all of the subcarriers at any given time, and time division or frequency division multiple access is employed to support multiple users.
本文针对上行链路任意分配子载波重点研究了载波频偏估计和多用户间干扰消除的方法。
This paper focuses on carrier frequency offset estimation (CFO) and multiuser interference elimination in uplink OFDMA system based on generalized carrier assignment schemes.
该算法基于凸优化理论，对功率分配、子载波配对、中继选择和用户选择进行了联合优化。
Based on the convex optimization, the algorithm jointly optimizes power allocation, subcarrier pairing, relay selection and user selection.
在上行链路中每个用户由于载波频率偏差而存在潜在的不同步，这样使子载波之间失去正交性，从而在基站接收端产生多用户间干扰。
However in uplink channel, each user has its own frequency offset which leads to a loss of orthogonality among the sub-carriers and multiuser interference at the base station receiver.
针对多用户MIMO- OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
通过对信道状态信息进行判断，利用贪婪算法将用户子载波分配的比特取整，以实现系统功率最小化。
Then, the bit was rounded by the greedy algorithm with the channel state information judgment, to obtain the minimized transmission power of the system.
通过对信道状态信息进行判断，利用贪婪算法将用户子载波分配的比特取整，以实现系统功率最小化。
Then, the bit was rounded by the greedy algorithm with the channel state information judgment, to obtain the minimized transmission power of the system.
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