Patent ID: 9391752
Filing Date: 2016-07-12
CPC Classification: H04L,H04W

Claim Text:
1. A base station apparatus that is configured to and/or programmed to communicate with a terminal apparatus, the base station apparatus comprising: transmission circuitry configured to and/or programmed to transmit an enhanced physical downlink control channel, the enhanced physical downlink control channel being transmitted using one or several enhanced control channel elements in one or more physical resource block pairs, each of the one or several enhanced control channel elements consisting of multiple enhanced resource element groups, each of the enhanced resource element groups being constituted of resource elements with a same number which is one of 16 numbers given to all the resource elements in each of the one or more physical resource block pairs except resource elements in which demodulation reference signals are mapped, the enhanced physical downlink control channel being transmitted using either a localized mapping or a distributed mapping, for the localized mapping, each of the one or several enhanced control channel elements corresponding to the enhanced resource element groups in one physical resource block pair, for the distributed mapping, each of the one or several enhanced control channel elements corresponding to the enhanced resource element groups in multiple physical resource block pairs, for each of the one or more physical resource block pairs, the numbers being given cyclically in an increasing order.