Patent ID: 8553715
Filing Date: 2013-10-08
Classification: H04B,H04W

Abstract:
1. A communication apparatus comprising: a first communication unit which sends and receives wireless communication using a first carrier frequency (f a second communication unit which sends and receives wireless communication using a second carrier frequency (f a second signal processing unit comprising a synchronization unit and an automatic gain control unit; and a first signal processing unit configured to determine when a first request to send via first carrier frequency (f wherein the synchronization unit is configured upon receipt of the first indicator to determine whether a second request has been received by the second communication unit in order to determine packet position information, wherein the synchronization unit is configured to determine upon receipt of the second indicator whether a second data has been received by the second signal processing unit using the previously determined packet position information, and wherein the synchronization unit is configured to output a third indicator to the automatic gain control unit comprising processing a first automatic gain control value in the second data.