Reference signal presence detection based license assisted access and reference signal sequence design
US9900134B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2015 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Apr 25, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W16/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A user equipment device comprises physical layer circuitry configured to transmit and receive radio frequency electrical signals with one or more nodes of a radio access network, including monitor at least one of a communication channel unlicensed to a long term evolution (LTE) network (LTE-U) or a communication channel of a licensed assisted access (LAA) network and detect a reference signal (RS) of a subframe communicated using the at least one communication channel; and processing circuitry configured to measure a channel metric over at least a portion of the subframe that includes the RS, and process information included in the subframe according to an LTE communication protocol when the measured channel metric satisfies a specified channel metric threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.