Patent ID: 8432879
Filing Date: 2013-04-30
Classification: H04B,H04L

Abstract:
1. A method of transmitting control channel symbols in an OFDM communication system downlink in each sub-frame, the OFDM communication system including one or more transmit antennae, the method including: (a) for each transmit antenna, mapping each of OFDM symbols of a control channel which are to be transmitted over the air to each of corresponding non-punctured logical resource elements of one virtual control resource block VCRB (b) for each transmit antenna, mapping logical resource elements in each virtual control resource block VCRB (c) for each transmit antenna, transmitting the physical resource elements to user equipment, wherein the number of VCRB  and wherein L is the number of OFDM symbols used for control channel transmission, 1≦L≦3, N is the number of physical resource blocks supported by bandwidth of the OFDM communication system, R is the number of sub-carriers in each physical resource block, p is the size index, and B