Patent ID: 8130681

Claim:
A method of signalling the transmission of data from a first transceiver to a second transceiver, the data being contained within a set of slots, the method comprising: receiving data transmitted from the second transceiver at the first transceiver; adjusting timing associated with the first transceiver on the basis of the data received from the second transceiver so as to synchronise a bit timing characteristic of the first transceiver with a bit timing characteristic of the second transceiver; transmitting signalling information identifying transmission of payload data from the first transceiver, the signalling information being transmitted on the basis of the bit timing characteristic determined from the adjusted timing of the first transceiver; and receiving said payload data at the second transceiver on the basis of the bit timing of the second transceiver, wherein the data transmitted from the first transceiver is transmitted at a first data rate, the data transmitted from the second transceiver is transmitted at a second data rate, and the first data rate is less than one half of the second data rate.