Resource allocation signaling in a high efficiency wireless local area network preamble
US10165551B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2016 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Nov 1, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A device may signal a resource allocation scheme in a high efficiency wireless local area network (WLAN) preamble. In one example, a high efficiency (HE) WLAN signaling field is used to signal a resource allocation pattern to multiple devices. The HE WLAN signaling field includes a common user field that is decodable by the multiple devices and includes a resource allocation field. The resource allocation indicates resource unit distributions to the multiple devices and indicates which resource units in a multi-user PPDU correspond to multi-user MIMO transmissions and which resource units correspond to OFDMA single-user transmissions. The HE WLAN signaling field also includes dedicated user fields that are assigned to certain devices. The order of the dedicated user fields corresponds to the allocated resource units. The HE WLAN signaling field is transmitted with a WLAN preamble to the multiple devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.