Apparatuses and methods for multi-antenna channel quality data acquisition in a broadcast/multicast service network using a multicast symbol
US8300658B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2007 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Jan 14, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0023
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Various methods and apparatuses provide unicast channel data acquisition, such as antenna information, from MBMS subframes. A method of operating a wireless communications network infrastructure entity is disclosed comprising defining a subframe (400) comprising a unicast symbol (401) in a predetermined first symbol position within said subframe (400), said unicast symbol (401) comprising at least a first unicast antenna reference symbol; defining a second symbol position (403) within said subframe (400) for containing at least a second unicast antenna reference symbol, said second symbol position (403) being a multicast symbol position for transmitting a multicast symbol; and transmitting said subframe (400) wherein said unicast symbol (401) comprises said at least first unicast antenna reference symbol and wherein said multicast symbol (403) comprises said at least second unicast antenna reference symbol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.