A New Technique to Form Steerable Multibeams for Integrated Communications and Sensing
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2023 IEEE International Conference on Communications Workshops (ICC Workshops), 2023, 00, pp. 1475-1479
- Issue Date:
- 2023-10-23
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| A_New_Technique_to_Form_Steerable_Multibeams_for_Integrated_Communications_and_Sensing.pdf | Published version | 751.11 kB |
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Analogue circuits for forming multibeams can be employed in integrated communications and sensing ICAS systems to save energy consumption and cost These circuits are in the form of matrices The most well known analogue circuit for multibeams is the Butler matrix However the Butler matrix has severe limitations it can only generate fixed beams with the number of beams as a power of two In this paper we present a new type of circuit matrix to form multiple beams which is referred to as the generalised joined coupler GJC matrix The GJC matrix can produce independently steerable multibeams as well as any number of orthogonal beams The beams can be shaped to produce low sidelobes and deep nulls to mitigate the mutual interference between the communications and sensing beams These unique features and their applications to ICAS are demonstrated in the paper
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