Patent ID: 6385199
Filing Date: 2002-05-07
Classification: H04L

Abstract:
A packet transmitting method comprising the steps of:a packet transmission by a communication apparatus provided on a transmission node in a network, the packet transmission including an operation for converting a plurality of non-compressed packets to be transmitted into either a full-header packet with a full header or a header-compressed packet with a compressed header and transmitting a converted packet to a receiver node in the network; and a packet reception by a communication apparatus provided on the receiver node, the packet reception including an operation for receiving the full-header packet or the header-compressed packet transmitted from the sender and an conversion for converting a received packet to a decompression packet, the conversion including: an operation for keeping, in cases a full-header packet or header-compressed packet is lost during transmission from the sender node to the receiver node, at least one header-compressed packets received during an interval between an occurrence of a packet loss and a reception of a next full-header packet, and an operation for decompressing a compressed header of the header-compressed packets thus kept, based on a content of a full header of the full-header packet received after the packet loss.