US 2015/0146642 A1 · METHOD AND DEVICE FOR RETRANSMITTING UPLINK DATA IN WIRELESS COMMUNICATION SYSTEM

Abstract

The present invention relates to a wireless communication system. Particularly, the present invention provides a method for enabling a user equipment (UE) to retransmit uplink data on the basis of a signal received through a physical hybrid ARQ indicator channel (PHICH) in a wireless communication system and a device for the same, and the method for retransmitting uplink data comprises the steps of: receiving, from a base station, an indication on whether or not to detect the PHICH; retransmitting the uplink data on the basis of a PHICH detection result if the received indication is to detect the PHICH; and retransmitting the uplink data on the basis of an uplink grant received from the base station if the received indication is not to detect the PHICH.

Claims14

Dependent claims

A method of retransmitting an uplink data, which is retransmitted by a user equipment based on a signal received via PHICH (physical hybrid ARQ indicator channel) in a wireless communication system, comprising the steps of:

receiving an indication on whether to detect the PHICH from an eNode B;
if the received indication corresponds to an indication configured to detect the PHICH, retransmitting the uplink data based on a detection result of the PHICH;
and
if the received indication corresponds to an indication configured not to detect the PHICH, retransmitting the uplink data based on a uplink grant received from the eNode B.

1 more element

Dependencies are inferred from the claim text.

Method and device for retransmitting uplink data in wireless communication system

Life of this patent

Method and device for retransmitting uplink data in wireless communication system

Life of this patent

Abstract

Claims14