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Signal receiving method and signal receiving system of mobile terminal

A mobile terminal and signal receiving technology, applied in diversity/multi-antenna systems, wireless communication, space transmit diversity, etc., can solve the problems of power consumption of terminals, shortening of standby time of intelligent terminals, etc., to save power consumption, ensure performance, Effect of increasing reception gain

Inactive Publication Date: 2015-07-01
LEADCORE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Compared with single-antenna data reception, using multiple antennas for data reception can certainly improve reliability, but the terminal needs to consume additional power consumption
This will further shorten the standby time of smart terminals with high standby power consumption

Method used

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  • Signal receiving method and signal receiving system of mobile terminal
  • Signal receiving method and signal receiving system of mobile terminal
  • Signal receiving method and signal receiving system of mobile terminal

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Embodiment Construction

[0036] Embodiments of the present invention describe a signal receiving method and a signal receiving system in a mobile terminal. The method and system aim to reduce power consumption of a mobile terminal.

[0037] It is known that the basic requirement of UTRA, E-UTRA and its subsequent evolved terminals is multi-antenna reception. Antenna reception can not only provide diversity gain, but also provide the possibility of spatial multiplexing and improve channel capacity. However, the cost of multi-antenna reception is to increase the power consumption of the device. From another point of view, although the aforementioned advantages of multi-antenna reception exist, the applicant finds that the aforementioned advantages of multi-antenna reception may not be very obvious after analyzing various states of the mobile terminal. In the standby state (IDLE) of the mobile terminal, spatial multiplexing does not need to be used. Furthermore, using multiple antennas for data recept...

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Abstract

The invention relates to a signal receiving method and a signal receiving system of a mobile terminal. The method comprises the steps of receiving a signal from at least one antenna in an initiate mode of a plurality of antennas, wherein the plurality of antennas are respectively connected with a radio frequency front end through switches, and the switches respectively control the connected antennas to switch on or not switch on; measuring a signal quality index of the received signal; comparing the signal quality index with a threshold, and determining the quantity of antennas to switch on according to a comparison result; and outputting a control signal to each switch according to the quantity of the antennas determined to switch on.

Description

technical field [0001] The present invention relates to a mobile terminal, and more specifically, to a signal receiving method and system for a mobile terminal. Background technique [0002] UTRA (Universal Terrestrial Radio Access, UMTS Terrestrial Radio Access) is a 3G air interface defined by 3GPP. In UTRA, E-UTRA (Evolved UTRA) and its subsequent evolved terminals, the basic requirement is multi-antenna reception. The main functions of multi-antenna reception are firstly to provide diversity gain, and secondly to provide possibility for spatial multiplexing and improve channel capacity. [0003] Diversity gain can be obtained due to the simultaneous reception of data using multiple antennas. Therefore, in order to improve reliability, processing such as system message reading, paging reception, and detection and measurement by the terminal is usually performed based on multi-antenna reception. figure 1 It is a schematic diagram of an existing mobile terminal signal re...

Claims

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Application Information

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IPC IPC(8): H04B7/08H04W52/02
CPCH04W52/0245Y02D30/70
Inventor 曾利浪唐旭明王欢
Owner LEADCORE TECH
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