CPC H04W 74/0833 (2013.01) [H04W 52/0216 (2013.01); H04W 72/14 (2013.01); H04W 74/006 (2013.01)] | 12 Claims |
1. A method of receiving a downlink signal based on a random access procedure by a terminal, the method comprising:
transmitting, through a message A, only a physical random access channel (PRACH) preamble, without transmitting both the PRACH and a physical uplink shared channel (PUSCH) in the message A, to a base station;
receiving a random access response (RAR) through a message B from the base station, in response to the message A;
receiving, from the base station, information regarding at least one discontinuous reception (DRX) timer for configuration of DRX operation; and
receiving, from the base station, a downlink signal during an on duration based on the at least one DRX timer,
wherein the PRACH preamble is mapped to a PUSCH occasion for the message A,
wherein a window for detecting the message B starts at least one symbol after a last symbol of the PUSCH occasion corresponding to the PRACH preamble transmission, and
wherein the PUSCH occasion is a valid PUSCH occasion related to the PRACH preamble.
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