Method and terminal of cell reselection in long term evolution (LTE) system
A cell reselection and cell technology, applied in electrical components, wireless communication, etc., can solve problems such as service delay, connection interruption between the terminal and the reselected cell, resource load tension, etc., and achieve the effect of reducing the service interruption rate
Active Publication Date: 2015-07-15
WUHAN HONGXIN TELECOMM TECH CO LTD
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Problems solved by technology
[0005] The present invention provides a cell reselection method and a terminal in an LTE system to solve the technical problems in the prior art that the connection between the terminal and the reselected cell is interrupted or the service is delayed due to the tight resource load of the reselected cell, and to reduce the cost of the terminal. Service interruption rate, improve user experience
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[0055] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0056] refer to figure 1 As shown, it is a flow chart of embodiment 1 of a cell reselection method in an LTE system provided by the present invention, and this embodiment may specifically include:
[0057] Step 101: A terminal in an idle state receives reference signals of all cells in the candidate cell set.
[0058] In this embodiment, the se...
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The invention discloses a method and a terminal of cell reselection in a long term evolution (LTE) system. The method includes that the terminal under an idle state receives reference signals of all cells of a candidate cell collection, selects the reference signal with the maximum power among reference signals of all the cells of the candidate cell collection and judges whether the power of the reference signal with the maximum power is larger than the first preset threshold value or not, when the power of the reference signal with the maximum power is larger than the first preset threshold value, a cell with the maximum power of downlink reference signal is used as an initial reselection cell, resource load condition of the initial reselection cell is judged to be low or not according to system information, and the initial reselection cell is used as an aim reselection cell when resource load condition of the initial reselection cell is low. According to the method and the terminal of the cell reselection in the LTE system, when the terminal initiates service in the aim reselection cell, the terminal can conduct service transmission by means of free resources of the aim reselection cell, and therefore the probability that the terminal is forced to switch to another cell is small, and service interruption rate of the terminal is reduced.
Description
technical field [0001] The present invention relates to wireless communication technology, in particular to a cell reselection method and terminal in an LTE system. Background technique [0002] In an LTE (Long Term Evolution, Long Term Evolution) mobile communication network, a terminal after power-on has two states: connected state and idle state. When the terminal has service transmission, the terminal is in a connected state, that is, there is a wireless link connection between the terminal and one cell of a certain base station in the LTE mobile communication network. In other cases, when the terminal is in an idle state, the terminal will select a suitable cell according to the cell reselection criteria, and report the selected cell to the network, which is called cell reselection. [0003] When the terminal performs cell reselection among multiple same-frequency cells, in the existing cell reselection method, the terminal selects the target reselected cell according ...
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IPC IPC(8): H04W36/08H04W36/24
Inventor 王讴刘杰詹超
Owner WUHAN HONGXIN TELECOMM TECH CO LTD