Invention Grant
- Patent Title: Channel estimation in a multi-antenna wireless communications system
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Application No.: US14432830Application Date: 2013-09-05
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Publication No.: US09674002B2Publication Date: 2017-06-06
- Inventor: Sairamesh Nammi , Stefania Sesia
- Applicant: Telefonaktiebolaget L M Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Baker Botts, LLP
- International Application: PCT/SE2013/051037 WO 20130905
- International Announcement: WO2014/058375 WO 20140417
- Main IPC: G01R31/08
- IPC: G01R31/08 ; G06F11/00 ; G08C15/00 ; H04J1/16 ; H04J3/14 ; H04L1/00 ; H04L12/26 ; H04L25/02 ; H04B7/06 ; H04B7/04 ; H04L5/00 ; H04L25/03
Abstract:
A method performed by a first device for estimating a radio channel between the first device and a second device in a telecommunications system is provided. The first device receives common pilot signals and demodulation signals over the radio channel in transmissions from the second device. Then, the first device estimates the radio channel based on the common pilot signals and the demodulation pilot signals and determines the radio channel based on the common pilot signals and the demodulation pilot signals. A first device for estimating a radio channel between the first device and a second device in a telecommunications system is also described.
Public/Granted literature
- US20150249553A1 CHANNEL ESTIMATION IN A MULTI-ANTENNA WIRELESS COMMUNICATIONS SYSTEM Public/Granted day:2015-09-03
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