Data communication method and terminal
US10187927B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Apr 4, 2018 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Apr 4, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/40
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A data communication method, where a first device receives a request message from at least one second device, where the request message requests the first device to forward group data, and the request message carries a group identifier. The first device returns a response message to the at least one second device, where the response message carries a layer-2 address and an Internet Protocol (IP) address corresponding to the group identifier, and the first device sends the group data using the layer-2 address when receiving the group data sent by a third device to the IP address.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.