Patent ID: 9451597
Filing Date: 2016-09-20
CPC Classification: H04L,H04W

Claim Text:
1. An apparatus for receiving Physical Uplink Control Channel (PUCCH) in Long Term Evolution (LTE) system, comprising: a plurality of blocks of system Fast Fourier Transform (FFT), each of the plurality of blocks of system FFT performing system FFT on data from corresponding one of a plurality of antennas; a block of allocated logic resource index table for generating an allocated logic resource index table in which a logical resource index corresponds to a logical Resource Block (RB) index, a cyclic shift and an orthogonal sequence index; a block of local base sequence generator for generating a local base sequence; a plurality of blocks of PUCCH RB processing units, each of the plurality of blocks of PUCCH RB processing units receiving the allocated logic resource index table and the local base sequence and an output of corresponding one of the plurality of blocks of system FFT, and generating DeModulation Reference Signal (DMRS) despread outputs and data values; a block of SR detection for receiving the data values and the DMRS despread outputs, and for generating Scheduling Request (SR) detection results; a plurality of blocks of user data extraction, each of the plurality of blocks of user data extraction receiving the data values and the DMRS despread outputs, and performing user data extraction; and a plurality of blocks of PUCCH user processing units, each of the plurality of blocks of PUCCH user processing units receiving an orthogonal sequence index, the data values and an output from corresponding one of the plurality of blocks of user data extraction, and generating an Acknowledgement/Non-Acknowledgement/Channel Quality Indicator (ACK/NAK/CQI) signal for a concerned User Equipment (UE); wherein one block of system FFT, one block of PUCCH RB processing unit, one block of user data extraction and one block of PUCCH user processing unit correspond to one antenna; wherein the apparatus receiving PUCCH signals of multiple UEs at the same time.