Method and apparatus for discontinuous transmission/reception operation for reducing power consumption in cellular system

    公开(公告)号:US11240754B2

    公开(公告)日:2022-02-01

    申请号:US16428968

    申请日:2019-06-01

    Abstract: Provided is a method and apparatus for discontinuously transmitting/receiving packets for low-power consumption of a terminal in a cellular system for packet transmission. The present research provides a method and apparatus that can perform a low-power consuming operation when a terminal is in active state in a cellular system. The method for discontinuously transmitting/receiving packet data to reduce power consumption of a terminal in a cellular system, including the steps of: a) establishing discontinuous reception/transmission (DRX/DTX) parameters including discontinuous DRX/DTX cycle information for terminals operating in a transmission suspension mode, which is a sub-state of an active state; and b) performing DRX/DTX based on the DRX/DTX parameters in the terminals operating in the transmission suspension mode.

    METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM

    公开(公告)号:US20190289545A1

    公开(公告)日:2019-09-19

    申请号:US16428968

    申请日:2019-06-01

    Abstract: Provided is a method and apparatus for discontinuously transmitting/receiving packets for low-power consumption of a terminal in a cellular system for packet transmission. The present research provides a method and apparatus that can perform a low-power consuming operation when a terminal is in active state in a cellular system. The method for discontinuously transmitting/receiving packet data to reduce power consumption of a terminal in a cellular system, including the steps of: a) establishing discontinuous reception/transmission (DRX/DTX) parameters including discontinuous DRX/DTX cycle information for terminals operating in a transmission suspension mode, which is a sub-state of an active state; and b) performing DRX/DTX based on the DRX/DTX parameters in the terminals operating in the transmission suspension mode.

    Apparatus and method for recognizing target mobile communication terminal
    17.
    发明授权
    Apparatus and method for recognizing target mobile communication terminal 有权
    用于识别目标移动通信终端的装置和方法

    公开(公告)号:US09078093B2

    公开(公告)日:2015-07-07

    申请号:US13655919

    申请日:2012-10-19

    CPC classification number: H04W4/02 H04W4/026 H04W48/16

    Abstract: A method and apparatus for a mobile communication terminal to recognize a target mobile communication terminal using a location recognition system. The method includes acquiring own location information of the mobile communication terminal; creating identification verification information using the location information, the identification verification information containing an identification formula for identifying the target mobile communication terminal as a target of communication; transmitting the created identification verification information to at least one other mobile communication terminal within a communication coverage area; receiving an identification response packet from the at least one other mobile communication terminal which has received the identification verification information, the identification response packet indicating whether the other mobile communication terminal is a target mobile communication terminal; and determining the target mobile communication terminal based on the received identification response packet.

    Abstract translation: 一种用于移动通信终端使用位置识别系统识别目标移动通信终端的方法和装置。 该方法包括获取移动通信终端的自身位置信息; 使用位置信息创建识别验证信息,所述识别验证信息包含用于识别目标移动通信终端作为通信对象的识别公式; 将所创建的识别验证信息发送到通信覆盖区域内的至少一个其他移动通信终端; 从已经接收到所述识别验证信息的所述至少一个其他移动通信终端接收识别响应分组,所述识别响应分组指示所述其他移动通信终端是否是目标移动通信终端; 以及基于所接收的识别响应分组来确定所述目标移动通信终端。

    Receiver and receiving method for scalable bandwith
    18.
    发明授权
    Receiver and receiving method for scalable bandwith 有权
    用于可扩展带宽的接收和接收方法

    公开(公告)号:US08619914B2

    公开(公告)日:2013-12-31

    申请号:US13683544

    申请日:2012-11-21

    CPC classification number: H04W72/0406 H04B1/30 H04B1/406

    Abstract: Provided are a receiver and a receiving method for a scalable bandwidth in a mobile station of an Orthogonal Frequency Division Multiplexing (OFDM) system. The receiving method includes the steps of: (a) filtering a received RF signal; (b) oscillating a frequency according to a center frequency control signal to output a local oscillation frequency; (c) down-converting the filtered RF signal by using the local oscillation frequency; (d) scalable-filtering the down-converted signal while adjusting a bandwidth according to a bandwidth control signal; (e) controlling gain of the scalable-filtered signal; (f) converting the gain-controlled analog signal into a digital signal by using a sampling frequency matching with a corresponding bandwidth according to an ADC control signal; and (g) demodulating the converted digital signal, outputting the center frequency control signal, the bandwidth control signal, and the ADC control signal according to control information received from an upper layer.

    Abstract translation: 提供了一种用于正交频分复用(OFDM)系统的移动台中的可扩展带宽的接收机和接收方法。 接收方法包括以下步骤:(a)对接收到的RF信号进行滤波; (b)根据中心频率控制信号振荡频率以输出本地振荡频率; (c)使用本地振荡频率对滤波的RF信号进行下变频; (d)在根据带宽控制信号调整带宽的同时可缩放滤波下变频信号; (e)控制所述可缩放滤波信号的增益; (f)通过使用根据ADC控制信号的与相应带宽匹配的采样频率将增益控制模拟信号转换成数字信号; 和(g)根据从上层接收到的控制信息解调转换的数字信号,输出中心频率控制信号,带宽控制信号和ADC控制信号。

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