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Method and device for transmitting and receiving system message, user equipment, and base station

A system message and receiving system technology, applied in transmission systems, digital transmission systems, diversity/multi-antenna systems, etc., can solve the problems of high power consumption and waste of resources in base stations

Active Publication Date: 2017-05-31
XIAOMI INC +1
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  • Claims
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Problems solved by technology

For the situation where the number of user equipment (User Equipment, referred to as UE for short) is relatively small, there is a problem of resource waste in periodically broadcasting and sending LTE system messages
In order to alleviate the waste of resources and high power consumption of the base station caused by broadcasting LTE system messages, operators began to consider sending system messages by category to solve the above problems

Method used

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  • Method and device for transmitting and receiving system message, user equipment, and base station
  • Method and device for transmitting and receiving system message, user equipment, and base station
  • Method and device for transmitting and receiving system message, user equipment, and base station

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Embodiment Construction

[0144] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0145] Figure 1A is a flow chart of a method for receiving system messages according to an exemplary embodiment, Figure 1B is a scene diagram of a method for sending and receiving a system message according to an exemplary embodiment; the method for receiving a system message can be applied to a UE, such as Figure 1A As shown, the method for receiving system messages includes the following st...

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Abstract

The invention relates to a method and device for transmitting and receiving a system message, user equipment, and a base station. The method comprises the steps: determining a request window, a receiving window and a guide code of a to-be-requested system message when a system message of a first type broadcasted by the base station is received, wherein the request window comprises P time domain transmitting chances which are used for transmitting the request message with the guide code; monitoring whether there is the request message with the guide code, transmitted by user equipment to the base station, in the former Q time domain transmitting chances of the request window or not; transmitting the request message with the guide code at the (Q+1)-th time domain transmitting chance if there is no request message with the guide code transmitted by user equipment to the base station; and monitoring the to-be-requested system message transmitted by the base station in the receiving window of the to-be-requested system message. According to the technical scheme, the method can solve a problem of large power consumption caused by the transmission of the guide code for the requesting of the system message, and greatly improves the transmitting and receiving performances of the system messages.

Description

technical field [0001] The present disclosure relates to the technical field of communications, and in particular to a method, device, user equipment and base station for sending and receiving system messages. Background technique [0002] With the rapid development of wireless communication technology, the number of Long Term Evolution (referred to as LTE) system information (referred to as SI) increases, and the transmission of LTE system information by periodic broadcasting makes the power consumption of the base station Larger, lower spectrum resource utilization. For a situation where the number of user equipments (User Equipment, referred to as UE for short) is relatively small, there is a problem of resource waste in periodically broadcasting and sending LTE system messages. In order to alleviate the waste of resources and high power consumption of base stations caused by broadcasting LTE system messages, operators began to consider sending system messages by categor...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04L5/00
CPCH04B7/06H04L5/0037H04L5/0039H04L5/0044H04L5/0094H04W52/0229Y02D30/70H04W48/10H04W48/14
Inventor 江小威
Owner XIAOMI INC
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