Low Latency Adaptive Receiver Processing using Nested Complete Complementary Codes

Rahul Aggarwal, Predrag Spasojevic

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present a method to generate a paraunitary transmit matrix for a 2m×2m MIMO radar system by recursively using the transmit matrix for a 2 × 2 MIMO radar system where the constituent waveforms in the transmit matrix are based on Golay complementary sequences. By applying this recursive method, the matrix that we obtain each time possesses a nested structure wherein the 2 × 2 MIMO radar system is the basic unit. We further present an adaptive receiver processing technique that exploits this very nested structure to provide a low latency approach to detecting the target location and speed. In this technique the transmit matrix used each time is the same. However, at the time of receiver processing, instead of processing the entire received matrix, the smaller submatrices of the received matrix are processed sequentially to detect the target location and speed. This results in significant savings in the computational processing that is required for detection. Moreover, it provides a low latency approach to obtain detection results. The particular example of a 16 × 16 paraunitary transmit matrix is used to illustrate these techniques.

Original languageAmerican English
Title of host publicationWSA 2021 - 25th International ITG Workshop on Smart Antennas
PublisherVDE Verlag GmbH
Pages152-157
Number of pages6
ISBN (Electronic)9783800756889
StatePublished - 2021
Event25th International ITG Workshop on Smart Antennas, WSA 2021 - French Riviera, France
Duration: Nov 10 2021Nov 12 2021

Publication series

NameWSA 2021 - 25th International ITG Workshop on Smart Antennas

Conference

Conference25th International ITG Workshop on Smart Antennas, WSA 2021
Country/TerritoryFrance
CityFrench Riviera
Period11/10/2111/12/21

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Instrumentation

Keywords

  • Complete complementary codes
  • Golay complementary sequences
  • MIMO radar
  • Paraunitary matrix
  • Sequential detection
  • UAVs

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