Power management and packet delivery method for use in a wireless local area network (LAN)
US5560021A · kind A · utility
Inventors
Key dates
| Filing date | Apr 4, 1994 |
| Grant date | Sep 24, 1996 |
| Priority date | — |
| Expiry date | Apr 4, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A power management and packet delivery method for use in a wireless local area network (LAN) having a plurality of mobile battery powered user devices, the user devices in communication with each other, the power management and packet delivery technique for determining when a user device may transition from an active mode of operation to a sleep mode of operation and further for determining when a user device in the sleep mode of operation should transition to the active mode of operation. The method further operative to inform an intended destination device that data is forthcoming, thereby prohibiting that device from entering the sleep mode until after the data has been delivered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.