Communication method and communication apparatus

A communication method and communication device technology, which is applied in the direction of selection device, wireless communication, network flow/resource management, etc., can solve the problems of information discarding and failure to send, and achieve the effect of avoiding communication delay

Inactive Publication Date: 2007-10-03
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is because, as described above, these information cannot be transmitted from the base station 30-1 to the terminal 10 due to handover, and thus, as described above, these information are discarded

Method used

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  • Communication method and communication apparatus
  • Communication method and communication apparatus
  • Communication method and communication apparatus

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Embodiment Construction

[0051] The structures of the embodiments of the present invention will be described below with reference to the drawings.

[0052] FIG. 3 shows the operation of the communication system according to the first embodiment of the present invention when handover is performed from the base station 30-1 to the base station 30-2. That is, the function of transmitting the information packet received from the external communication station 100 to the terminal 10 is transferred from the base station 30-1 to the base station 30-2.

[0053] In FIG. 3, the base station 30-1 assigns TSN-12, ... (step S22) to the information received from the external communication station 100 via the network (step S21), and transmits the information to the terminal 10 (step S23) .

[0054] When handover occurs, the external communication device 100 stops transmitting information to the base station 30-1, and starts transmitting information to the base station 30-2 (step S24).

[0055] The base station 30-...

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PUM

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Abstract

The invention provides communication method and communication device.For transmitting predetermined information to a second communication station via a first communication station, the second communication station receives the predetermined information via one first communication station from among a plurality of the first communication stations. Upon transfer of a function of transferring the predetermined information to the second communication station to another first communication station, the another first communication station receives the predetermined information from the one first communication station, and transfers the same to the second communication station, with attaching distinction information to the predetermined information for distinguishing between the predetermined information transferred to the second communication station via the another first communication station and the predetermined information received from the another first communication station directly.

Description

technical field [0001] The present invention relates to a communication method and a communication device. Background technique [0002] In the HSDP (High Speed ​​Downlink Packet Access) technology developed by 3GPP (Third Generation Partnership Project), which is a high-speed packet transmission technology, for the purpose of ensuring continuity of information when a handover event occurs, The information is buffered by the base station host device (ie, RNC: Radio Network Controller), and a sequence number (hereinafter referred to as SN) is assigned to the information therein. [0003] The principle thereof will now be described. [0004] Fig. 1 shows an example of the system structure of the HSDP system. This figure shows a case where the function of transferring information transmitted from an external communication station to a user terminal (hereinafter simply referred to as a terminal) 10 via a network is transferred from a base station (i.e., BTS: Base Transceiver S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/22H04Q7/38H04L47/43H04W28/00H04W36/02H04W40/34
CPCH04W36/02H04L47/34H04W36/18H04W88/02H04W88/08H04W36/0055H04W36/22
Inventor 大渕一央古川秀人川端和生田岛喜晴河崎义博
Owner FUJITSU LTD
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