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Method for dual-mode terminal to return to long-term evolution network and evolution base station

A dual-mode terminal, long-term evolution technology, applied in wireless communication, access restrictions, electrical components, etc., can solve the problem of high delay in returning to the LTE network

Active Publication Date: 2014-11-12
CHINA MOBILE COMM GRP CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] 2. The terminal returns to the LTE network using a contention-based random access method, so the delay in returning to the LTE network is relatively high

Method used

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  • Method for dual-mode terminal to return to long-term evolution network and evolution base station
  • Method for dual-mode terminal to return to long-term evolution network and evolution base station
  • Method for dual-mode terminal to return to long-term evolution network and evolution base station

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Embodiment Construction

[0072] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0073] figure 1 The flow chart of the method for returning the LTE / WLAN dual-mode terminal from the WLAN to the LTE network provided by Embodiment 1 of the present invention, as shown in figure 1 As shown, the specific steps are as follows:

[0074] Step 101: When the LTE / WLAN dual-mode terminal accesses the WLAN, the LTE module of the terminal is in an idle (Idle) state, and the LTE module performs LTE cell measurement in the Idle state, and saves each LTE cell measurement result in advance. Set the duration T.

[0075] LTE cell measurement results include: measurement results of the terminal’s resident cell, same-frequency neighboring cells, and different-frequency neighboring cells. Specific parameters include: cell ID (cell ID), cell signal strength such as: Reference Signal Received Power (RSRP, Reference Signal Receiving Powe...

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Abstract

The invention provides a method for a dual-mode terminal to return to a long-term evolution network and an evolution base station. The terminal is an LTE / WLAN dual-mode terminal and has access to the WLAN currently. The method includes the steps that the eNB receives a fast return LTE request message sent by the terminal through an AP of the WLAN, and the message carries the LTE cell measurement result of the terminal; or the eNB actively acquires the LTE cell measurement result of the terminal from the terminal, wherein the eNB is the eNB of a resident cell of the terminal in the LTE network, the LTE cell measurement result comprises information about the resident cell of the terminal in the LTE network and neighboring cells; the eNB selects an LTE target cell for the dual-mode terminal according to the LTE cell measurement result, the LTE target cell information is carried in a fast return LTE confirmation message to be sent to the terminal, and thus the terminal can get access to the LTE target cell. Through the method, the LTE target cell where the terminal returns can be controlled on the network side.

Description

technical field [0001] The present invention relates to the technical field of Long Term Evolution (LTE, Long Term Evolution), and in particular to a method for returning a dual-mode terminal to an LTE network and an evolved Node Base (eNB, evolved Node Base). Background technique [0002] As the next-generation mainstream cellular mobile communication technology, LTE will definitely be one of the wireless communication technologies deployed by operators on a large scale. The wireless local area network (WLAN, Wireless Local Area Network) technology is a powerful supplement to the cellular technology, and it also has a wide range of deployment requirements in scenarios such as hotspot coverage and indoor coverage. Then, how to better realize the interoperability between WLAN and LTE network to efficiently utilize wireless resources is an important challenge that operators are facing. [0003] Due to business, channel conditions, network conditions and other reasons, LTE / WLA...

Claims

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Application Information

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IPC IPC(8): H04W48/16H04W88/06H04W36/08
Inventor 胡南谢芳江小威
Owner CHINA MOBILE COMM GRP CO LTD
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