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1. 发明申请

WO2008042526A3 METHOD AND DEVICE FOR INCREASING CAPACITY OF TDD WIRELESS COMMUNICATION SYSTEMS 审中-公开
标题翻译：用于增加TDD无线通信系统容量的方法和设备
公开(公告)号：WO2008042526A3
公开(公告)日：2008-07-24
申请号：PCT/US2007076861
申请日：2007-08-27
申请人： MOTOROLA INC , PEPLINSKI NEIL R , DOSS WILLIAM K , KOVARIK THOMAS J , KUNDMANN THOMAS J , ROTTINGHAUS ALAN P
发明人： PEPLINSKI NEIL R , DOSS WILLIAM K , KOVARIK THOMAS J , KUNDMANN THOMAS J , ROTTINGHAUS ALAN P
IPC分类号： H04L5/14 , H04Q7/00
CPC分类号： H04B7/2643
摘要： An access point (108) in a dual-frequency TDD communication system (100) includes a transceiver (122) that transmits information to a first group of subscriber devices (104a-n) at a first frequency (f 1 ) and contemporaneously receives information from a second group of subscriber devices (106a-n) at a second frequency (f 2 ) during at least a portion of a first period of time (T1). The access point (108) also transmits information to the second group of subscriber devices (106a-n) at the second frequency (f 2 ) and contemporaneously receives information from the first group of subscriber devices (104a-n) at the first frequency (f 1 ) during at least a portion of a second period of time (T3). A method for performing a dual-frequency communication scheme is also provided.
摘要翻译：双频TDD通信系统（100）中的接入点（108）包括以第一频率（f 1> 1）向第一组用户设备（104a-n）发送信息的收发器（122）并且在第一时间段（T1）的至少一部分期间同时以第二频率（f 2> 2）从第二组用户设备（106a-n）接收信息。接入点（108）还以第二频率（f 2 2）向第二组用户设备（106a-n）发送信息，同时从第一组用户设备（104a- n）在第二时间段（T3）的至少一部分期间处于第一频率（f 1 N 1）。还提供了一种用于执行双频通信方案的方法。

2. 发明申请

WO2008055094A2 METHOD AND APPARATUS FOR SPUR CANCELLATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION SYSTEM 审中-公开
标题翻译：用于正交频分复用通信系统中的波形消除的方法和设备
公开(公告)号：WO2008055094A2
公开(公告)日：2008-05-08
申请号：PCT/US2007082802
申请日：2007-10-29
申请人： MOTOROLA INC , YU XIAOYONG , KOVARIK THOMAS J , ROTTINGHAUS ALAN P
发明人： YU XIAOYONG , KOVARIK THOMAS J , ROTTINGHAUS ALAN P
IPC分类号： H04J11/00 , H04J1/00
CPC分类号： H04L27/2655 , H04L25/03159
摘要： A communication device (120) that is capable of operating in an OFDM communication system provides for cancellation of in-band spurs. The communication device identifies (308) a bin of multiple bins associated with an output of an inverse transformer and comprising a spur and estimates (310) one or more spur phase parameters and a spur amplitude in association with the identified bin. In one embodiment of the present invention, the one or more spur phase parameters includes a spur initial phase and a spur change rate. When the communication device receives (314) a signal from another communication device, the communication device transforms (316) the received signal to produce a multiple parallel output signals that are each associated with a bin of the multiple bins and cancels (318) a spur in an output signal associated with the identified bin based on the estimated one or more spur phase parameters and spur amplitude.
摘要翻译：能够在OFDM通信系统中操作的通信设备（120）提供了带内杂散的消除。通信设备识别（308）与逆变换器的输出相关联并且包括杂波的多个箱的箱并且与所标识的箱相关联地估计（310）一个或多个杂散相参数和杂散幅度。在本发明的一个实施例中，一个或多个支线相位参数包括支线初始相位和支线变化率。当通信设备从另一通信设备接收（314）信号时，通信设备变换（316）接收到的信号以产生多个并行输出信号，每个输出信号与多个箱的箱相关联并且消除（318）在基于所估计的一个或多个支线相位参数和支线振幅的与所识别的线框相关联的输出信号中。

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