Patent ID: 8699385
Filing Date: 2014-04-15
Classification: H04L

Abstract:
1. A method of receiving and transmitting, by a user equipment, signals using a transmission band of 8.75 MHz and a cyclic prefix of 1/8·T b , where T b is a useful symbol time, in an advanced wireless mobile communication system, the method comprising: receiving, by the user equipment, a broadcast channel containing information on a frame_offset; receiving, by the user equipment, a first downlink signal in a downlink time zone when the user equipment is a first user equipment operating in a legacy system mode according to a legacy wireless mobile communication system and receiving a second downlink signal in the downlink time zone when the user equipment is a second user equipment operating in an advanced system mode according to the advanced wireless mobile communication system; transmitting, by the user equipment, a first uplink signal in an uplink time zone when the user equipment is the first user equipment and transmitting a second uplink signal in the uplink time zone when the user equipment is the second user equipment; wherein the downlink time zone is divided into a first downlink time zone for the legacy wireless mobile communication system and a second downlink time zone for the advanced wireless mobile communication system in a time domain, wherein the transmission band in the uplink time zone is divided into a first uplink frequency zone for the legacy wireless mobile communication system and a second uplink frequency zone for the advanced wireless mobile communication system in a frequency domain, and wherein the uplink time zone spans 15 OFDM symbols, and the number of OFDM symbols in the first downlink time zone is “3+6*(frame_offset−1)”.