KR101552303B1 - 통신 시스템 및 그의 데이터 전송 방법 - Google Patents
통신 시스템 및 그의 데이터 전송 방법 Download PDFInfo
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- KR101552303B1 KR101552303B1 KR1020080106915A KR20080106915A KR101552303B1 KR 101552303 B1 KR101552303 B1 KR 101552303B1 KR 1020080106915 A KR1020080106915 A KR 1020080106915A KR 20080106915 A KR20080106915 A KR 20080106915A KR 101552303 B1 KR101552303 B1 KR 101552303B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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Claims (17)
- 타겟 기지국에서의 데이터 전송 방법에 있어서,소스 기지국으로부터 상기 타겟 기지국으로 핸드 오버가 수행된 경우, 상기 소스 기지국으로부터 소스 데이터를 수신하는 단계;패킷 데이터 네트워크 게이트웨이(PGW)에서 생성된 엔드마커를 상기 소스 기지국을 통해 수신하는 단계;상기 패킷 데이터 네트워크 게이터웨이로부터 타겟 데이터를 수신하는 단계;상기 소스 데이터를 단말로 전송하고, 상기 엔드마커를 경계로 상기 소스 데이터의 말단에서 상기 타겟 데이터를 상기 단말로 전송하는 단계를 포함하는 것을 특징으로 하는 데이터 전송 방법.
- 제 1항에 있어서, 상기 엔드마커는,상기 패킷 데이터 네트워크 게이트웨이에서 상기 소스 기지국으로 상기 소스 데이터를 전송하기 위한 소스 서빙 게이트웨이와 상기 타겟 기지국으로 상기 타겟 데이터를 전송하기 위한 타겟 서빙 게이트웨이가 상이한 경우 상기 패킷 데이터 네트워크 게이트웨이로부터 생성되어 상기 소스 기지국을 통해 수신되는 것을 특징으로 하는 데이터 전송 방법.
- 제 2항에 있어서,상기 소스 서빙 게이트웨이와 상기 타겟 서빙 게이트웨이가 동일한 경우, 상기 엔드마커는 상기 소스 서빙 게이트웨이에서 생성되어 상기 소스 기지국을 통해 수신되는 것을 특징으로 하는 데이터 전송 방법.
- 제3항에 있어서, 상기 엔드마커는,상기 소스 서빙 게이트웨이에서 생성되도록 상기 패킷 데이터 네트워크 게이트웨이로부터 지시되는 과정을 포함하는 것을 특징으로 하는 데이터 전송 방법.
- 제 2 항에 있어서, 상기 엔드마커 수신 단계는,상기 소스 기지국에서 상기 소스 데이터 및 엔드마커를 상기 소스 서빙게이트웨이로 전송하는 과정과,상기 소스 서빙게이트웨이에서 상기 소스 데이터 및 엔드마커를 상기 타겟 서빙 게이트웨이로 전송하는 과정과,상기 타겟 서빙 게이트웨이에서 상기 소스 데이터 및 엔드마커를 상기 타겟 기지국으로 전송하는 과정을 포함하는 것을 특징으로 하는 데이터 전송 방법.
- 삭제
- 단말의 데이터 수신 방법에 있어서,소스 기지국으로부터 타겟 기지국으로 핸드오버를 수행하는 단계;상기 타겟 기지국으로부터 소스 데이터를 수신하는 단계;엔드 마커를 경계로 상기 소스 데이터의 말단에서 타겟 데이터를 상기 타겟 기지국으로부터 수신하는 단계를 포함하는 것을 특징으로 하는 데이터 수신 방법.
- 제 7 항에 있어서, 상기 엔드마커는,패킷 데이터 네트워크 게이트웨이에서 상기 소스 기지국으로 상기 소스 데이터를 전송하기 위한 소스 서빙 게이트웨이와 상기 타겟 기지국으로 상기 타겟 데이터를 전송하기 위한 타겟 서빙 게이트웨이가 상이한 경우 상기 패킷 데이터 네트워크 게이트웨이로부터 상기 소스 기지국을 통해 상기 타겟 기지국으로 전송되는 것을 특징으로 하는 데이터 수신 방법.
- 삭제
- 타겟 기지국에 있어서,신호를 송수신하는 송수신부;소스 기지국으로부터 상기 타겟 기지국으로 핸드 오버가 수행된 경우, 상기 소스 기지국으로부터 소스 데이터를 수신하고, 패킷 데이터 네트워크 게이트웨이(PGW)에서 생성된 엔드마커를 상기 소스 기지국을 통해 수신하고, 상기 패킷 데이터 네트워크 게이트웨이로부터 타겟 데이터를 수신하며, 상기 소스 데이터를 단말로 전송하고, 상기 엔드마커를 경계로 상기 소스 데이터의 말단에서 상기 타겟 데이터를 상기 단말로 전송하도록 제어하는 제어부를 포함하는 것을 특징으로 하는 타겟 기지국.
- 제 10항에 있어서,상기 엔드마커는,상기 패킷 데이터 네트워크 게이트웨이에서 상기 소스 기지국으로 상기 소스 데이터를 전송하기 위한 소스 서빙 게이트웨이와 상기 패킷 데이터 네트워크에서 상기 타겟 기지국으로 상기 타겟 데이터를 전달하는 타겟 서빙 게이트웨이가 상이한 경우, 상기 패킷 데이터 네트워크 게이트웨이에서 생성되어 상기 소스 기지국을 통해 수신되는 것을 특징으로 하는 타겟 기지국.
- 제 11항에 있어서,상기 소스 서빙 게이트웨이와 상기 타겟 서빙 게이트웨이가 동일한 경우, 상기 엔드마커는 상기 소스 서빙 게이트웨이에서 생성되어 상기 소스 기지국을 통해 수신되는 것을 특징으로 하는 타겟 기지국.
- 제 12항에 있어서,상기 엔드마커는,상기 소스 서빙 게이트웨이에서 생성되도록 상기 패킷 데이터 네트워크 게이트웨이에 의해 지시되는 것을 특징으로 하는 타겟 기지국.
- 제 11항에 있어서,상기 엔드마커는,상기 핸드 오버가 수행되는 경우, 상기 소스 데이터와 함께 상기 소스 기지국에 의해 상기 소스 서빙게이트웨이로 전송되고, 상기 소스 서빙 게이트웨이에 전송된 상기 소스 데이터 및 엔드 마커는 상기 타겟 서빙 게이트웨이로 전송되며, 상기 타겟 서빙게이트웨이에 의해 상기 타겟 기지국으로 전송되는 것을 특징으로 하는 타겟 기지국.
- 삭제
- 데이터를 수신하는 단말에 있어서,신호를 송수신하는 송수신부;소스 기지국으로부터 타겟 기지국으로 핸드오버를 수행하고, 상기 타겟 기지국으로부터 소스 데이터를 수신하고, 상기 소스 데이터의 말단에 포함된 엔드마커를 경계로 상기 소스 데이터의 말단에서 타겟 데이터를 상기 타겟 기지국으로부터 수신하도록 제어하는 제어부를 포함하는 것을 특징으로 하는 단말.
- 제 16항에 있어서, 상기 엔드마커는,패킷 데이터 네트워크 게이트웨이에서 상기 소스 기지국으로 상기 소스 데이터를 전송하기 위한 소스 서빙게이트웨이와 상기 타겟 기지국으로 상기 타겟 데이터를 전송하기 위한 타겟 서빙 게이트웨이가 상이한 경우 상기 패킷 데이터 네트워크 게이트웨이로부터 생성되어 상기 소스 기지국을 통해 수신되는 것을 특징으로 하는 단말.
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