Patent ID: 10608779

Abstract:
Methods, systems, and devices for wireless communication are described a search space configuration. A set of physical resource blocks (PRBs) or resource element groups (REGs) may be configured over two or more modulation symbols. A control channel element (CCE), or fixed set of REGs, may be formed using REGs in one modulation symbol. A search space, or set of decoding candidates, may be configured for one user equipment (UE) or multiple UEs. Search spaces for different UEs may share some CCEs. A decoding candidate for a UE may occupy a set of CCEs; the UE may make decoding to attempts on the set of CCEs. A base station may transmit in a subset of decoding candidates configured for the UE. A demodulation reference signal (DMRS) may be transmitted when a decoding candidate is used, and DMRS may not be transmitted when a decoding candidate is not used.