Title:
OPTIMIZED BACKHAUL COMMUNICATIONS FOR A RELAY-ENHANCED PACKET-BASED WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/051921
Kind Code:
A3
Abstract:
Systems and methods for providing relay support in a communications system is provided. A relay node communication network node is provided. Aggregation of component carriers is used. At least one of the aggregated component carriers is split in to two sub-bands. One sub-band is used to form the wireless backhaul connection between the RN and a base station or e NB. The other sub-band is used to provide a direct link between the e NB and other user equipment or UEs. By splitting the carrier into sub-bands, and by using the aggregated band ("C2") with original band ("C1") in a manner where they are spatially separated, efficient communication between the e NB, the RN, and its attached UEs, and with minimal relay delays and interference problems, is achieved.
Inventors:
FAN JIANKE (FI)
LINDH LARS (FI)
LINDH LARS (FI)
Application Number:
PCT/IB2010/054941
Publication Date:
December 29, 2011
Filing Date:
November 01, 2010
Export Citation:
Assignee:
NOKIA CORP (FI)
FAN JIANKE (FI)
LINDH LARS (FI)
FAN JIANKE (FI)
LINDH LARS (FI)
International Classes:
H04W72/04; H04W92/04
Domestic Patent References:
| WO2009097039A1 | 2009-08-06 | |||
| WO2009014764A1 | 2009-01-29 | |||
| WO2008049028A1 | 2008-04-24 | |||
| WO2010061053A1 | 2010-06-03 |
Foreign References:
| EP1777877A2 | 2007-04-25 | |||
| EP1919142A2 | 2008-05-07 | |||
| EP2091298A1 | 2009-08-19 | |||
| US20100272006A1 | 2010-10-28 |
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