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Tag: Interpolation

Multiple paths arriving at the Rx with different strengths and delays
May 9, 2022 Localization

Carrier Phase-Based Ranging in Indoor Multipath Channels

Indoor positioning is one of the core technologies behind the idea of Internet of Things (IoT). Some of the use

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Linear interpolation between pilot subcarriers
July 18, 2022 Wireless/SDR

Channel Estimation in OFDM Systems

Channel estimation in single-carrier systems has been described in a previous article. In OFDM systems, each subcarrier acts as an

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Farrow structure for cubic interpolation
January 11, 2022 DSP

Fractional Delay Filters Using the Farrow Structure

In the discussion on piecewise polynomial interpolation, we emphasized on the fact that the fractional interval $\mu_m$ needs to be

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An increasing degree of polynomial approximation takes the filter closer and closer to an ideal sinc impulse response
January 11, 2022 DSP / Wireless/SDR

Interpolation in Digital Communication Receivers

Timing synchronization in a digital receiver is about finding the right symbol peak and the symbol rate at which digital

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5G Physical Layer - An Easy Guide to Key Technologies
Learn about 5G physical layer through great visualizations, simple maths and intuitive explanations
A wireless channel with speakers and microphone
Send and receive wireless signals over the air without expensive SDR hardware through a speaker (Tx) and a microphone (Rx)

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