Discovery signal transmitted in direct communication system, and method of transmitting/receiving the discovery signal
US9408137B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 21, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Mar 10, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A discovery signal that a first device joining in direct communication broadcasts through a radio channel is provided. The discovery signal includes a first field representing whether the discovery signal is a signal for discovering a device or a signal for discovering a service, and a second field including one of device identifier information of the first device and service information of a service that the first device provides according to a value of the first field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.