Patent ID: 8451783

Claim:
A method of transmitting a scheduling reference signal (SRS) for uplink scheduling, the method comprising: receiving band information and subcarrier information that are used for a partial SRS, the band information indicating a bandwidth and the subcarrier information indicating subcarriers; dividing a scheduled full SRS transmission band into N sub-bands; generating N partial SRSs, each of the N partial SRSs corresponding to one of the N sub-bands; and transmitting the N partial SRSs one-by-one via N sub-frames by using the subcarriers, wherein each of the N sub-bands has the indicated bandwidth and none of the N sub-bands is overlapped with any other sub-band, wherein N is a natural number greater than 1 and is determined by dividing the full SRS transmission band by the bandwidth, wherein each of the N sub-frames comprises a plurality of orthogonal frequency division multiplexing (OFDM) symbols, wherein each of the N partial SRSs is transmitted via one of the OFDM symbols, wherein the first partial SRSs are generated by cyclically shifting a base sequence by a first cyclic shift (CS) amount, wherein the second partial SRSs are generated by cyclically shifting the base sequence by a second CS amount, and the first CS amount is different from the second CS amount.