Pattern and frequency reconfigurable annular slot antenna using pin diodes

A COMPACT SIZE RECONFIGURABLE PIFA ANTENNA FOR USE ... - URSI A Compact Size Reconfigurable PIFA Antenna for Use ... Annular Slot Antenna Using PIN Diodes,” IEEE ... Radiation Pattern Reconfigurable Square ...

Reconfigurable Double Slot Ring Antenna for Bandwidth ... Reconfigurable Double Slot-Ring Antenna for Bandwidth Enhancement Mahmoud Shirazi, Tianjiao Li, and Xun Gong; University of Central Florida Bandwidth Enhancement at Lower band • The proposed antenna is reconfigurable over several specifications such as frequency, polarization, and power level. Frequency reconfigurability has been studied in this paper Design and development of an annular slot antenna (ASA ... The Annular Slot Antenna (ASA) proposed in this paper operates at 5.8 GHz and the use of pin Fig. 1a ASA front side diodes along the slot circumference allows the radiation pattern to be directed in a number of different directions while y the operation frequency remains constant. Designing of Pattern Reconfigurable Antenna for Wireless ... “Pattern and Frequency Reconfigurable Annular Slot Antenna Using PIN Diodes”, IEEE Transactions on Antennas and Propagation, 54(2): 439-448. 3. Xuesong Yang, Bingzhong Wang, Weixia Wu, Shaoqiu Xiao, 2007. “YagiPatch Antenna with Dual-Band

DESIGN OF RECONFIGURABLE ANNULAR SLOT ANTENNA (ASA) FOR WIRELESS COMMUNICATIONS / WLAN APPLICATIONS ... direction using two PIN diodes placed at. 225 o and 315o.The 90 o ... reconfigurability both in frequency and in radiation pattern. The operating frequencies are 5.2 GHz, 5.8 GHz and 6.4 GHz, and the radiation pattern is steered in three ...

4-Element Concentric Pentagonal Slot-Line ... - KAUST Repository In [7], a ultra-wideband and dual-band half annular-slot based frequency reconfigurable antenna ... urable using a combination of PIN and varactor diodes. The wide con- .... (KFUPM). The gain patterns and efficiencies were measured at King. Reconfigurable Microwave Semiconductor Plasma Antenna DRA couple with reconfigurable annular slot excitation, and a notched rectangular DRA ..... 3.3 Reconfigurable Circular Polarisation using Hemispherical DRA . ... Frequency/Mode Reconfigurable Dielectric Resonator Antennas . ..... PIN diode. 152-154. Figure 4.6 Radiation patterns of a single slot fed RDRA with a PIN. Design and Configuration Techniques of a Low-Profile Reconfigurable ... is using switches, usually pin diodes [3] or MEMS switches [5]. ... Nikolaou [3]using an annular slot antenna could switch ... polar pattern could be reconfigured as well. Holland [4] ... reconfigurable antenna which can change its frequency. Resonant Antenna - an overview | ScienceDirect Topics

Pattern and frequency reconfigurable annular slot antenna using

A compact frequency reconfigurable antenna proposed in [12] utilizes a simple square shaped radiating patch for Bluetooth, WLAN, and WiMAX applications. Three pin diodes are inserted in ground plane that controls switching bands. A novel frequency reconfigurable antenna using the FR4 substrate that switches between an ultra wide band, PATTERN AND FREQUENCY RECONFIGURABLE ANTENNA FOR BODY AREA ...

A Wideband Slotted Bow-Tie Antenna With Reconfigurable CPW-to ...

Circular Monopole Reconfigurable Antenna with Notch Band ... - JESTR Two PIN diodes are connected between stubs and the feed line to obtain the tenability in the notch ..... [10] S. Nikolaou et al, Pattern and frequency reconfigurable annular slot ... ground-slotted patch antenna using PIN diode switching, ETRI J,. Pattern and frequency reconfigurable annular slot antenna ... As a proof of concept, two pin diodes are placed 45/spl deg/ on both sides of the feeding line along the ASA and the direction of the null is shown to align with the direction defined by the circular slot center and the diode. Consequently, a design that is

Feb 15, 2014 ... reconfigurable annular-ring slot antenna for polarization and frequency diversity for ... ability of radiating more than one pattern at different frequencies and ... frequency diversity using only one PIN diode. Figure 2 illustrates ...

Tentzeris, "Pattern and frequency reconfigurable annular slot ... Return loss and radiation pattern measurements and simulations are pre-sented, which are in very good agreement. Index Terms—Annular slot antenna (ASA), frequency reconfig-urability, pin diode, reconfigurable antenna, reconfigurable radia-tion pattern, slot antenna. I. Draft Version A Reconfigurable Radiation Pattern Annular Slot ... annular slot antenna to have an omnidirectional radiation pattern like a monopole antenna. The reconfigurable antenna consists of numerous metal cylinders arranged around the annular slot antenna. By controlling pin diodes associated with the metal cylinders, the antenna is capable of working up in different DESIGN OF RECONFIGURABLE ANNULAR SLOT ANTENNA (ASA) FOR ... DESIGN OF RECONFIGURABLE ANNULAR SLOT ANTENNA ... direction using two PIN diodes placed at. 225 o and ... reconfigurability both in frequency and in radiation pattern ... A quad-polarization and frequency reconfigurable square ring ...

Abstract: A frequency reconfigurable patch antenna is proposed. The antenna has a rectangular patch with two meandered slots.Citation: R. Baruah and N. S. Bhattacharyya, "A Frequency Reconfigurable Meandered Slot Cut Rectangular Patch Antenna Using PIN Diodes," Progress In... A Novel Frequency and Radiation Pattern Reconfigurable … Abstract—A new compact pattern reconfigurable U-slot an- tenna is presented.using BAR and HPND PIN Diode is proposed. With parasitic element and mutual couplingIndex Terms ─ Dielectric embedded antenna, frequency and radiation pattern reconfigurable antenna, switchable antenna. Reconfigurable notch band antenna using PIN diodes Keywords: Reconfigurable, PIN Diodes, notch band antenna, slots, micro strip antenna.Antenna which can switch between different frequencies also known as reconfigurable antenna will not cause any problem of interference toFigure 4: VSWR for proposed antenna. Figure 5: Radiation Pattern. Frequency Reconfigurable Antenna by At present, some frequency reconfigurable antennas have been discussed in earlier literatures [1]-[3]. It is found that the antenna can operate at multiband from 2 GHz to 4.4 GHz and the[2] Nikolaou et al., “Pattern and Frequency Reconfigurable Annular Slot Antenna Using PIN Diodes,” IEEE Trans.