公开(公告)号：US20150045087A1

公开(公告)日：2015-02-12

申请号：US14524348

申请日：2014-10-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-Yun HWANG ,  Jin-Woo ROH

IPC: H04W52/02 ,  H04W52/04

CPC classification number: H04W52/0209 ,  H04B2001/0416 ,  H04W52/04 ,  H04W52/143 ,  H04W52/367 ,  Y02D70/00

Abstract: An apparatus and a method for reducing power consumption in a wireless communication system are provided. The apparatus includes an antenna, a Radio Frequency (RF) module, a first amplifier, an external power amplifier, and a controller. The RF module converts a baseband transmission signal to an RF signal. The first amplifier amplifies power of the RF signal inside the RF module. The external power amplifier amplifies power of an output signal of the first amplifier. When a transmission power level of a transmission signal is equal to or less than a maximum output level of the first amplifier, the controller controls to transmit the transmission signal amplified by the first amplifier via the antenna. When the transmission power level of the transmission signal is equal to or greater than the maximum output level of the first amplifier, the controller controls to transmit a transmission signal amplified by the external power amplifier via the antenna.

Abstract translation: 提供了一种用于降低无线通信系统中的功耗的装置和方法。 该装置包括天线，射频（RF）模块，第一放大器，外部功率放大器和控制器。 RF模块将基带传输信号转换为RF信号。 第一个放大器放大RF模块内RF信号的功率。 外部功率放大器放大第一放大器的输出信号的功率。 当发送信号的发送功率电平等于或小于第一放大器的最大输出电平时，控制器控制通过天线发送由第一放大器放大的发送信号。 当发送信号的发送功率电平等于或大于第一放大器的最大输出电平时，控制器控制通过天线发送由外部功率放大器放大的发送信号。

公开(公告)号：US20140286207A1

公开(公告)日：2014-09-25

申请号：US14199309

申请日：2014-03-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-Yun HWANG ,  Hwan-Min PARK ,  Jeong-Soon PARK

IPC: H04L5/00 ,  H04L5/14

CPC classification number: H04L5/0037 ,  H04B1/7105 ,  H04B1/7107 ,  H04B7/0617 ,  H04L5/0073 ,  H04L5/14 ,  H04L25/0204 ,  H04L25/0208 ,  H04L25/0212 ,  H04L25/0224

Abstract: A method and apparatus of performing channel estimation in a wireless communication system are provided. The method includes determining a channel response value of a midamble sequence included in a downlink slot, detecting a first channel response value of a window allocated to a user and a second channel response value of a window allocated to at least one other user based on the channel response value of the midamble sequence, determining whether a Base Station (BS) of a current cell uses beamforming based on the first and second channel response values, and combining the first and second channel response values and using the combined channel response value for signal detection if it is determined that the BS does not use beamforming.

Abstract translation: 提供了一种在无线通信系统中执行信道估计的方法和装置。 该方法包括：确定包括在下行链路时隙中的中间码序列的信道响应值，检测分配给用户的窗口的第一信道响应值以及分配给至少一个其他用户的窗口的第二信道响应值，基于 信道响应值，确定当前小区的基站（BS）是否基于第一和第二信道响应值使用波束成形，并且组合第一和第二信道响应值并使用组合信道响应值进行信号 如果确定BS不使用波束成形，则检测。