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Base station and mobile station

A mobile station and base station technology, applied in the field of mobile stations and base stations

Active Publication Date: 2013-01-23
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0042] However, neither the 1st nor the 2nd prior art can reduce the increase in communication delay and the deterioration in processing capability due to the rearrangement of packets received from the movement destination base station

Method used

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  • Base station and mobile station
  • Base station and mobile station
  • Base station and mobile station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0090] (A) Principle of the present invention

[0091] In the present invention, the following two processes can be executed by the base station and the mobile station, thereby solving the problem.

[0092] Process 1: At the time of handover, the source base station or the target base station notifies the mobile station of handover execution information indicating whether data handover has been performed.

[0093] Process 2: When the mobile station receives the handover execution information, it judges whether the data handover has been performed, and if the packet forwarding accompanying the data handover has not been performed, the received packet is not reordered, and the received packet is immediately transferred. To the upper layer.

[0094] In the conventional method, the base station does not notify the mobile station of handover execution information at the time of handover. Therefore, when the packet forwarding accompanying data handover is not performed, the mobile...

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Abstract

The invention provides a base station and a mobile station. Groups with additional serial numbers representative of a sequence are transmitted from the base station to the mobile station, and are rearranged according to the sequence of the serial numbers in the mobile station. Under the condition that groups which are not transmitted to the mobile station in the groups which are received from an upper station by a mobile source base station are forwarded to a mobile destination base station, and are transmitted to the mobile station by the mobile destination base station, data representing the execution of group handover during the execution of sequence switching is transmitted to the mobile station, and under the condition of the groups are deleted, and are not forwarded to the mobile destination base station, the data representing the execution of the group handover during the execution of the sequence switching is transmitted to the mobile station. According to the mobile station, the received groups are rearranged or the rearrangement of the received groups is eliminated according to whether the group handover is executed or not.

Description

[0001] This application is based on Article 42 of the Implementing Rules of the Patent Law. It is a divisional application of the invention patent application "base station, mobile station, communication system and its rearrangement method" with the filing date of March 22, 2007 and the application number of 200780052045.1. technical field [0002] The present invention relates to a base station and a mobile station, and more particularly to a base station and a mobile station that transmit packets with sequence numbers attached thereto from the base station to the mobile station, and rearrange the packets in the order of the sequence numbers in the mobile station. Background technique [0003] For mobile communication systems such as mobile phones, the third-generation system based on the CDMA method is currently in service, and the next-generation mobile communication system (LTE: Long Term Evolution, Long Term Evolution) that can realize higher-speed communication is being ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/02
Inventor 太田好明
Owner FUJITSU LTD