Systems and methods for estimating decoder noise power in OFDM systems
AssigneeMarvell International Ltd.
InventorsJiwoong Choi, Yakun Sun, Jungwon Lee, Jianyi Huang
Life of this patent
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Abstract
Systems and methods for computing a decoder noise power estimate are provided. A pilot signal transmitted through a fading channel from a wireless transmission source is received. Signal power of the received pilot signal, channel noise power, and channel estimation error are computed. The decoder noise power estimate is determined based on the computed signal power, channel noise power, and channel estimation error.
Claims20
A method, comprising:
- receiving a signal transmitted through a channel;
- determining a channel noise power and a channel estimation error associated with the channel;
- and
- estimating a decoder noise power based at least in part on the received signal, the channel noise power, and the channel estimation error, wherein the estimated decoder noise power is different from the channel noise power.
A non-transitory computer-readable medium storing computer-executable instructions that, when executed by at least one computer processor, causes a computer system to perform a method, the method comprising:
- detecting a signal transmitted through a channel;
- determining a channel noise power and a channel estimation error associated with the channel;
- and
- estimating a decoder noise power based at least in part on the received signal, the channel noise power, and the channel estimation error, wherein the estimated decoder noise power is different from the channel noise power.
An apparatus, comprising circuitry configured to
- receive a signal transmitted through a channel;
- determine a channel noise power and a channel estimation error associated with the channel;
- and
- estimate a decoder noise power based at least in part on the received signal, the channel noise power, and the channel estimation error, wherein the estimated decoder noise power is different from the channel noise power.
Dependencies are inferred from the claim text.