Patent ID: 7986681
Filing Date: 2011-07-26
Classification: H04B,H04L,H04M,H04W

Abstract:
1. A radio transceiver comprising: a transmitter and a receiver, said transmitter and said receiver being configured to send and receive radio frames, respectively, at least some of said radio frames including at least one downlink subframe which contains downlink traffic but no uplink traffic, at least one uplink subframe which contains uplink traffic, but no downlink traffic and, disposed between said at least one downlink subframe and said at least one uplink subframe, a special subframe, said special subframe consisting of: wherein said guard period of said second part is entirely disposed between the first part and the third part; such that a sum of a duration of the first part, the second part and the third part constitute an entire subframe length; wherein a duration of at least two of said first part, said second part and said third part may be varied.