Patent ID: 8339933
Filing Date: 2012-12-25
Classification: H04L

Abstract:
1. A method for transmitting an uplink pilot signal in a wireless communication system, the method comprising: forming a basic unit including a plurality of pilot Resource Elements (REs) and data REs for a first antenna port and a second antenna port and having a size of 4 subcarriers (subcarrier indexes of 0 to 3)×9 Orthogonal Frequency Division Multiple Access (OFDMA) symbols (symbol indexes of 0 to 8); setting the plurality of pilot REs for the first antenna port and the second antenna port in the basic unit; and transmitting the basic unit to a base station, wherein each of the REs is time-frequency resource defined by one symbol index and one subcarrier index, and wherein the setting of the pilot REs includes: