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US 2017/0302479 A1Published application
Method and system for carrier frequency offset estimation in lte mtc device communication
AssigneeSierra Wireless, Inc.
InventorsNaveen MYSORE BALASUBRAMANYA, Lutz Hans-Joachim LAMPE, Gustav Gerald VOS, Steven John BENNETT
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Abstract
The present technology provides a system and methods for carrier frequency offset (CFO) estimation. According to embodiments, there is provided a system and method for CFO estimation for narrow band 3GPP LTE/LTE-A Machine Type Communication (MTC) uplinks.
Claims12
A method for estimating carrier frequency offset (CFO), the method comprising:
- receiving redundancy version (RV) repetitions or demodulation reference signal (DMRS) symbols or both;
- estimating the CFO using maximum likelihood (ML) CFO estimation using information indicative of receipt of the RV repetitions or receipt of the DMRS symbols or receipt of both.
A device for estimating carrier frequency offset (CFO), the device comprising:
- a processor;
- and
- machine readable memory storing machine executable instructions which when executed by the processor configure the device to:
- receive redundancy version (RV) repetitions or demodulation reference signal (DMRS) symbols or both;
- estimate the CFO using maximum likelihood (ML) CFO estimation using information indicative of receipt of the RV repetitions or receipt of the DMRS symbols or receipt of both.
2 more elements
A device for enabling estimation of carrier frequency offset (CFO), the device comprising:
- a processor;
- and
- machine readable memory storing machine executable instructions which when executed by the processor configure the device to:
- determine a CFO estimation method;
- transmit redundancy version (RV) repetitions or demodulation reference signal (DMRS) symbols or both, based on the CFO estimation method determined.
2 more elements
Dependencies are inferred from the claim text.