Adaptive transmissions in coordinated multiple point communications
US9172561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2010 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Aug 2, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0417
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methodologies are described that facilitate adaptively communicating data to wireless devices. An access point can precode a dedicated reference signal (DRS) for transmitting to a wireless device, and the wireless device can receive the precoded DRS. The wireless device can determine the precoder by estimating a channel of the DRS and can provide channel condition feedback to the access point. The access point can create data signals including a single or a burst of data transmissions according to the feedback and can precode the data signals using the same precoder. The wireless device can additionally decode the data signals using the precoder. Moreover, the access point can cycle through precoders according to a patterned, random, pseudo-random, and/or similar sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.