Reconfigurable antennas for SDR and cognitive radio

2007 ◽  
Author(s):  
K.R. Boyle ◽  
P.G. Steeneken ◽  
Z. Liu ◽  
Y. Sun ◽  
A. Simin ◽  
...  
Keyword(s):  
Cognitive Radio ◽  
Reconfigurable Antennas

Reconfigurable Antennas for Cognitive Radio

2016 ◽  
pp. 264-295
Author(s):  
Trong Duc Nguyen ◽  
Yvan Duroc ◽  
Tan-Phu Vuong
Keyword(s):  
Cognitive Radio ◽  
Complete System ◽  
Reconfigurable Antennas ◽  
Reconfigurable Antenna ◽  
Operational Capabilities ◽  
Universal Solution ◽  
Different Types ◽  
Radio Resources ◽  
Electromagnetic Radiations

With the development of the cognitive radio, that is a system (transceiver) aware of its own operational capabilities and needs which aims at a more efficient use of radio resources (e.g., more universal solution for the co-existence of multiple radio standards, but also limitation of electromagnetic radiations), the antennas with reconfiguration capabilities will become unavoidable. This chapter describes the different types of existing reconfigurable antennas and related approaches allowing the reconfiguration. The presentation relies on many examples from the literature and an example of designing a complete system of reconfigurable antenna frequency is finally detailed.

scholarly journals Reconfigurable Antennas: Switching Techniques—A Survey

Electronics ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 336 ◽  
Author(s):  
Naser Ojaroudi Parchin ◽  
Haleh Jahanbakhsh Basherlou ◽  
Yasir I. A. Al-Yasir ◽  
Ahmed M. Abdulkhaleq ◽  
Raed A. Abd-Alhameed
Keyword(s):  
Cognitive Radio ◽  
Wireless Communication ◽  
Communication Systems ◽  
Multiple Input Multiple Output ◽  
Reconfigurable Antennas ◽  
Radio Communications ◽  
High Data ◽  
Dynamic Tuning ◽  
Implementation Techniques ◽  
Input Multiple Output

Due to the fast development of wireless communication technology, reconfigurable antennas with multimode and cognitive radio operation in modern wireless applications with a high-data rate have drawn very close attention from researchers. Reconfigurable antennas can provide various functions in operating frequency, beam pattern, polarization, etc. The dynamic tuning can be achieved by manipulating a certain switching mechanism through controlling electronic, mechanical, physical or optical switches. Among them, electronic switches are the most popular in constituting reconfigurable antennas due to their efficiency, reliability and ease of integrating with microwave circuitry. In this paper, we review different implementation techniques for reconfigurable antennas. Different types of effective implementation techniques have been investigated to be used in various wireless communication systems such as satellite, multiple-input multiple-output (MIMO), mobile terminals and cognitive radio communications. Characteristics and fundamental properties of the reconfigurable antennas are investigated.

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