Patent ID: 9386588
Filing Date: 2016-07-05
CPC Classification: H04L,H04W

Claim Text:
1. A base station apparatus comprising: a transmitter which, in operation, transmits control information using a Physical Downlink Control Channel (PDCCH) or an higher layer; and a receiver which, in operation, receives transmission power headroom (PHR) information transmitted on an Physical Uplink Shared Channel (PUSCH) after a power headroom of an uplink channel is calculated, at a terminal apparatus which receives the control information, based on parameter information including the transmitted control information and a transmission power of the uplink channel is calculated, at the terminal apparatus, using the parameter information that was used to calculate the power headroom of the uplink channel, wherein the power headroom of the uplink channel corresponds to a power headroom which is calculated when an accumulated value of a Transmit Power Control (TPC) command is zero.