Patent ID: 9680678
Date: 2017-06-13
CPC Classifications: H04L,H04W

Claim:
1. One or more non-transitory, computer-readable media having instructions that, when executed, cause an eNB to: operate within at least two predeterminable frequency bands, the at least two predeterminable frequency bands comprising a first licensed frequency band licensed for cellular communications and a second unlicensed frequency band not licensed for cellular communications; output a discovery signal associated with the second unlicensed frequency band, the discovery signal comprising at least one physical resource block with a plurality of associated resource elements representing a plurality of respective symbols, wherein at least a selected number of resource elements of the plurality of associated resource elements are arranged, as signal bearing resource elements, according to a predetermined pattern, the predetermined pattern being a diagonal pattern arranged to occupy at least one resource element of each symbol of the at least one physical resource block.