Patent ID: 7007217
Filing Date: 2006-02-28
Classification: H04B,H04L

Abstract:
1. A wireless communication device which realizes real-time transmission through bandwidth guarantee, comprising a receiving device, the receiving device including: receiving means for receiving a real-time signal; packet analyzing means for analyzing a packet of the real-time signal received by the receiving means; error detection/correction means for detecting an erroneous block if at least one block in the packet includes an error, and corrects the error which has been detected as much as possible; communication path evaluation means for evaluating a communication path, in accordance with an output from the error detection/correction means; a buffer which temporarily stores receiving data; at least two antennas; antenna switching means for switching between the antennas; antenna switching control means for causing the antenna switching means to switch between the antennas, in accordance with a result of evaluation of the communication path performed by the communication path evaluation means for each predetermined unit; retransmission request control means for performing retransmission request, in accordance with the result of the evaluation; packet assembling means for assembling a retransmission request packet, in accordance with an order from the retransmission request control means; and sending means for outputting the retransmission request packet supplied from the retransmission request control means; the retransmission request control means performing the retransmission request on condition that the real-time transmission is not interrupted.