Invention Grant
- Patent Title: Methods and devices for spatial coding
- Patent Title (中): 用于空间编码的方法和装置
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Application No.: US13060201Application Date: 2008-09-12
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Publication No.: US08717947B2Publication Date: 2014-05-06
- Inventor: Jingyi Liao , Muhammad Kazmi
- Applicant: Jingyi Liao , Muhammad Kazmi
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (Publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (Publ)
- Current Assignee Address: SE Stockholm
- Agency: Nixon & Vanderhye, P.C.
- International Application: PCT/SE2008/051024 WO 20080912
- International Announcement: WO2010/030213 WO 20100318
- Main IPC: H04L12/16
- IPC: H04L12/16

Abstract:
Embodiments of the invention relates to a method in a controller node for distributing code text of a joint spatial coding in a communications network. The communications network comprises at least two communication nodes each comprising at least one transmit antenna. The method comprises to joint spatial code (12, S11) a symbol resulting in at least a first code text and a second code text. Then, the method comprises to group (T4, S12) the transmit antennas in the communications network into at least a first transmit antenna group and a second transmit antenna group based on the location of coverage area of the transmit antennas. Finally, the method comprises to distribute (T6) the first code text to the first transmit antenna group and the second code text to the second transmit antenna group. The invention is particularly useful for transmission in Multimedia Broadcast Single Frequency Network (MBSFN) comprising of communication nodes equipped with unequal number of transmit antennas. Embodiments also relates to a controller node, a second communication node, a user equipment and methods therein.
Public/Granted literature
- US20110164697A1 METHODS AND DEVICES FOR SPATIAL CODING Public/Granted day:2011-07-07
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