Apparatus and methods for relay-assisted uplink communication
US8934400B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2013 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Aug 9, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/047
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A terminal device is arranged to communicate with a base station via a relay device in a wireless communications system. The terminal device comprises: a transmitter arranged to transmit a first access request message to the base station wherein the access request message comprises one from a set of access preambles that indicate relay device uplink assistance is required; a receiver arranged to receive an access request grant response from the base station; and a control processor operably coupled to the transmitter and receiver and arranged to: process the access request grant response; extract transmit power control information therefrom for transmissions to the relay device; map a first power level indicated in the transmit power control information to a second power level associated with a transmission via the relay device; and generate and transmit a transmission to the relay device at the mapped transmit second power level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.