Last edited by Maktilar
Sunday, July 26, 2020 | History

9 edition of Switched Parasitic Antennas for Cellular Communications found in the catalog.

Switched Parasitic Antennas for Cellular Communications

by David V. Thiel

  • 375 Want to read
  • 31 Currently reading

Published by Artech House Publishers .
Written in English

    Subjects:
  • Communications engineering / telecommunications,
  • Technology & Industrial Arts,
  • Interference,
  • Antenna Theory,
  • Cellular Communication Technology,
  • Technology,
  • Science/Mathematics,
  • Switching circuits,
  • Radio,
  • Engineering - Electrical & Electronic,
  • Telecommunications,
  • Adaptive antennas,
  • Cellular telephone systems

  • The Physical Object
    FormatHardcover
    Number of Pages254
    ID Numbers
    Open LibraryOL8780134M
    ISBN 101580531547
    ISBN 109781580531542

    Simulation results for a dual-band switched parasitic smart antenna array designed for cellular communications systems are presented. The array consists of six loaded monopole elements on an infinite ground plane and offers five switched directions equally spaced through °. At and MHz the 10 dB bandwidths are 15 and 13%, respectively. Book outline 5 2 The wireless channel 10 Physical modeling for wireless channels 10 Free space, fixed transmit and receive antennas 12 Free space, moving antenna 13 Reflecting wall, fixed antenna 14 Reflecting wall, moving antenna 16 Reflection from a ground plane 17 Power decay with distance and.

    rectangular microstrip patch antenna at GHz for wireless communications. This antenna has MHZ bandwidth, Return loss at centre frequency has less than dB. The beauty of this antenna is the use of single patch which make it easy to fabricate consequently cost of antenna becomes cheaper.   Parasitic Antenna Arrays for Wireless MIMO Systems - Kindle edition by Kalis, Antonis, Kanatas, Athanasios G., Papadias, Constantinos B.. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Parasitic Antenna Arrays for Wireless MIMO cturer: Springer.

    This book covers a cross-section of two technologies: parasitic antenna arrays driven via analogue circuits; and MIMO technology for multi-antenna combination of these two technologies results in novel functionality. Relevant technical angles, ranging from theoretic to electromagnetic considerations; from analogue circuit to digital baseband control for signal generation; and from.   In [], the methods to switch the radiation pattern of parasitic array antennas using varactor diodes or p-i-n diodes were also introduced. A dual- or multi-band antenna is useful in overcoming the multipath fading caused by buildings and other obstructions in modern wireless-communication systems [10].


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Switched Parasitic Antennas for Cellular Communications by David V. Thiel Download PDF EPUB FB2

Switched parasitic antennas have recently become of significant interest to professionals in the telecommunications industry. This first-of-its-kind book introduces R&D antenna and communications network engineers to the basic concepts and wide range of potential applications of switched parasitic antennas, including smart antennas for wireless by: This first-of-its-kind book introduces you to the basic concepts and wide range of potential applications of switched parasitic antennas, including smart antennas for wireless communications.

The book's clear, detailed discussion of design rules for both wire and patch antenna structures, together with their circuit requirements, gives you the Pages: "Switched Parasitic Antennas for Cellular Communications introduces practitioners to the basic concepts and wide range of potential applications of switched parasitic antennas, including smart antennas for wireless communications.

The book's clear, detailed discussion of design rules for both wire and patch antenna structures, together with. This work introduces R&D antenna and communications network engineers to the basic concepts and wide range of potential applications of switched parasitic antennas, including smart antennas for.

Gray's switched Yagi patch antenna for mobile satellite communication [7] and Thiel's beam-switched monopole arrays [8] have also been explored for the application in wireless communications and. In 6 libraries. "Switched Parasitic Antennas for Cellular Communications introduces practitioners to the basic concepts and wide range of potential applications of switched parasitic antennas, including smart antennas for wireless communications.

The book's clear, detailed discussion of design rules for both wire and patch antenna structures, together with their circuit requirements, offers. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): An electronically switched parasitic antenna has been designed to adjust the radiation direction using a controller system (Fig.

In this beamforming scenario the radiation direction is optimized for maximum signal. In a particular situation the speed to achieve the desired maximum direction is determined by the. Simulation results for a dual-band switched parasitic smart antenna array designed for cellular communications systems are presented.

The array consists of six loaded monopole elements on an. The efficient use of direction-of-arrival (DoA) estimation techniques with smart antennas is an important research topic in wireless systems like ad hoc networks (Alexiou, ) or for the design of a DoA finder.

As a kind of smart antenna, switched parasitic antennas were proposed for cellular communications (Vaughan, ; Scott, ; Almhdie, ; Svantesson, ; Thiel, ).

The adoption of smart / adaptive antenna techniques in future wireless systems is expected to have a significant impact on the efficient use of the spectrum, the minimization of the cost of establishing new wireless networks, the optimization of service quality and realization of transparent operation across multi technology wireless networks [1].

This paper presents brief account on smart. Abstract: A novel planar switched parasitic array antenna has been proposed for wireless communication. Compared with conventional switched array antennas, this array antenna has more compact planar structure and steered conical elevation pattern.

Simulation and measurement have been carried out to validate the design. Doppler antenna, and 3) the electronically switched parasitic element antenna. We have found the last type to be the most suitable for wireless sensor networks, and we present here the early design details and beam pattern measurements of a prototype antenna for the GHz ISM band, the SPIDA: SICS Parasitic Inter-ference Directional Antenna.

Yagi concept, that have been published recently are the switched parasitic monopole antenna arrays, electrically steerable passive array radiators (ESPAR) and dielectric embedded ESPAR antenna arrays for wireless communications [17{19]. It is clear in [17] that the beam of the antenna can be switched by isolating one of the parasitic elements.

Multi-beam switched parasitic antenna embedded in dielectric for wireless communications systems Abstract: A nine monopole antenna embedded in a dielectric cylinder mounted on a small ground plane has been designed for IEEE applications.

Two simultaneous beams are controlled electronically with a front-to-back ratio of 12 dB and 13%. Main text An dem permWe are presently witnessing a very rapid growth in wireless communications and associated technologies. tennas with wideband characteristics to cover several wireless technologies with a single antenna are in great and.

Planar Monopole antennas have found widespread applications in wireless mobile communication Â. Varlamos P and Capsalis C () Design of a Six-Sector Switched Parasitic Planar Array Using the Method of Genetic Algorithms, Wireless Personal Communications: An International Journal,(), Online publication date: 1-Aug   Pattern-reconfigurable antenna using switched parasitic dipoles (from Petit et al., ): (a) picture of the switched parasitic antenna and (b) radiation patterns.

(IEEE ©). (IEEE ©). Parasitic elements can also be located at a higher electrical distance of the driven antenna. For most wireless communications today, though, the signals range above about MHz to well beyond 10 GHz.

These signals, called sky waves, propagate in a straight line just like light waves. Implementation of an array of monopoles antenna capable of sector beam steering for the wireless ad-hoc network applications is proposed.

The antenna operating in the GHz band with one active central element surrounded by 8 parasitic elements on a finite ground plane is simply made of FR4 PCB, and the parasitic elements are switched to be short or open to act like a corner reflector for.

A switched parasitic monopole antenna for GHz ISM applications is design and investigated in this paper. One of the most promising applications for such switched-beam antennas is localization in wireless sensor networks (WSN). It is demonstrated that the use of this antenna improves accuracy of localization algorithms and allows for reduction of the number of reference nodes in.

An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio individual antennas (called elements) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase relationship.

The radio waves radiated by each individual antenna combine. Nowadays proficient and secure wireless communication demand leads to a design of various types of antennas having multifunctionality features with compact size and low cost. Microstrip patch antenna has attracted many researchers in wireless communications due to its low profile, simple fabrications and lightweight properties [ 1 ].Antennas & Propagation Online tutorials about antennas, transmission lines and propagation.

Learn this aspect of electronics online because a good understanding of what happens after a signal leaves a transmitter and before it enters the recever itself is essential for anyone involved in radio or wireless .