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- Publications
- Influence
Feedforward embedding circulator enhancement in transmit/receive applications
In this work, a feedforward embedding technique is presented to improve the isolation of a circulator. The circuit configuration is particularly suitable for transmit/receive applications where the… Expand
Multiple target tracking using retrodirective antenna arrays
TLDR
Frequency offset retrodirective antenna array
A new architecture for the Van Atta self-steering array is presented. Active antenna techniques are used to realise a compact self-steering array with enhanced retrodirective properties. The… Expand
Self-tracking duplex communication link using planar retrodirective antennas
TLDR
Self-phasing antenna array techniques for mobile communications applications
This paper provides a summary of the basic concepts of retrodirective antenna arrays. Originally this class of antenna was developed in the 1960s for direct satellite-to-ground transmission of… Expand
Balanced subharmonic mixers for retrodirective-array applications
- T. Brabetz, V. Fusco, S. Karode
- Engineering
- 1 March 2001
The drawback of conventional Pon retrodirective antenna systems is the requirement of a local oscillator (LO) working at approximately twice the receive frequency. This limits the use of these… Expand
Use of an active retrodirective antenna array as a multipath sensor
The use of an active retrodirective antenna as an indicator of multipath propagation effects is investigated by the authors. It is shown that the flat azimuthal gain response normally associated with… Expand
Near field focusing properties of an integrated retrodirective antenna
The near field behaviour of two different types of retrodirective antenna arrays [1][2] are presented in this paper. For each type it is shown that retrodirective properties can be preserved well… Expand
Dual polarised microstrip patch antenna using feedforward isolation enhancement for simultaneous transmit/receive applications
This paper presents a method for increasing the isolation between transmit and receive ports of a dual polarised microstrip patch antenna in order to enhance its performance in single frequency… Expand
Active retrodirective antenna arrays for mobile communication applications
TLDR
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