公开(公告)号：US20170064773A1

公开(公告)日：2017-03-02

申请号：US14839189

申请日：2015-08-28

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： HENRY W. ANDERSON ,  TIMOTHY S. MOSHER

IPC: H04W88/06 ,  H04L5/14

CPC classification number: H04W88/06 ,  H04B1/525 ,  H04L5/14

Abstract: A portable radio provides operation in LTE and LMR radio bands. Improved filtering in the LTE receive path is provided through the use of a linear duplexer and a SAW filter. The SAW filter is implemented as a duplexer with one port terminated to provide a filter for the LTE RX path. The linear duplexer and SAW filter provide filtering for an LMR TX signal and an LTE TX signal which are simultaneously present at an LTE antenna of the radio. The linearity of the linear duplexer which reduces LTE TX and LMR TX signal levels combined with the selectivity of the SAW filter prevents intercept intermodulation in the LTE RX path.

Abstract translation: 便携式无线电在LTE和LMR无线电频段中提供操作。 通过使用线性双工器和SAW滤波器来提供LTE接收路径中的改进的滤波。 SAW滤波器实现为双工器，一个端口端接，以提供LTE RX路径的滤波器。 线性双工器和SAW滤波器为同时存在于无线电的LTE天线的LMR TX信号和LTE TX信号提供滤波。 降低LTE TX和LMR TX信号电平以及SAW滤波器选择性的线性双工器的线性度阻止了LTE RX路径中的截取互调。

公开(公告)号：US20150117323A1

公开(公告)日：2015-04-30

申请号：US14068680

申请日：2013-10-31

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： BRADLEY M. HIBEN ,  HENRY W. ANDERSON ,  JEFF S. ANDERSON ,  PETER DROZT

IPC: H04W72/00

CPC classification number: H04W72/005 ,  H04L12/189 ,  H04W4/06 ,  H04W16/02

Abstract: A method for transmitting data in a single-frequency network in a Long Term Evolution (LTE) network includes receiving media for broadcast in a broadcast area of a plurality of broadcast areas associated with a single-frequency network, wherein the broadcast area comprises a plurality of cells; identifying a subset of defined broadcast resources for broadcasting the media to the broadcast area; broadcasting the media to the broadcast area using the subset of defined broadcast resources; and broadcasting a null pattern on the subset of defined broadcast resources in adjacent broadcast areas to the broadcast area. An associated LTE network and broadcast controller are also described.

Abstract translation: 一种用于在长期演进（LTE）网络中的单频网络中发送数据的方法包括在与单频网络相关联的多个广播区域的广播区域中广播的接收媒体，其中广播区域包括多个 的细胞; 识别用于将所述媒体广播到所述广播区域的所定义的广播资源的子集; 使用定义的广播资源的子集将广播媒体广播到广播区域; 并且在广播区域的相邻广播区域中的定义的广播资源的子集上广播空模式。 还描述了相关联的LTE网络和广播控制器。