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- An Open Access Wideband Multi-Antenna Wireless Testbed With Remote Control Capability
- This paper introduces an open access wideband multi-antenna wireless testbed. The testbed is configured as a four transmit antenna by four receive antenna system based on software defined radio technology. It operates in the 2.4GHz ISM band and supports an RF bandwidth compatible to IEEE 802.11a/g standard. A robotic positioning...
- Tags: Microsoft Access, Positioning, Radio, University Of California, Testbed, Branding, Advertising & Promotion, Marketing
- White papers 2004-11-29
- A Novel Compact Cable-Fed Antenna for a GSM/DCS Handset
- By using a branch-line ground plane, a monopole radiator, and parasitic patches, a newly compact cable-fed antenna is investigated in order to overcome the thickness problem of the Planar Inverted-F Antenna PIFA. The designed antenna has dimensions of only 40 12 1 mm and the impedance bandwidth of the proposed...
- Tags: John Wiley & Sons Inc., Antenna, Patches, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2005-09-05
- Miniaturized Printed Wire Antenna for Wireless Communications
- In this paper miniaturized printed-circuit-board wire antennas are investigated for wireless local access network WLAN and Bluetooth applications. The proposed wire antenna in F-shape could have a much smaller area than an inverted F antenna with a similar bandwidth. It is found that F-antenna can usually be inductively tuned but...
- Tags: Bandwidth, Wireless Communication, Antenna, Bluetooth, Wi-Fi, Wireless
- White papers 2005-08-09
- Secure Positioning in Wireless Networks
- So far, the problem of positioning in wireless networks has been studied mainly in a non-adversarial setting. This paper analyzes the resistance of positioning techniques to position and distances spoofing attacks. The paper proposes a mechanism for secure positioning of wireless devices, that one call verifiable multilateration and then shows...
- Tags: Network, Positioning, Wireless Network, Branding, Wireless, Marketing
- White papers 2006-02-01
- iTunes Antenna (widget)
- iTunes Antenna displays the iTunes store's top songs, albums, new releases, and so on. If you click a list item, iTunes Antenna will show details and artwork. This version is the first release on CNET Download.com.
- Tags: Apple iTunes, Digital Music, Digital Media, Personal Technology, Consumer Electronics
- Software downloads 2007-05-30
- Printed Straight F Antennas for WLAN and Bluetooth
- Miniaturized printed-circuit-board antennas are proposed in PCMCIA cards for WALN and Bluetooth applications. The proposed antenna is a straight F in shape printed on a FR4 substrate together with the rest of the circuit components, providing a low-cost antenna solution. The straight F antenna resembles a printed inverted F antenna,...
- Tags: WLAN, Antenna, F Antenna, Bluetooth, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2003-01-15
- A Novel Microstrip Patch Antenna With Large Impedance Bandwidth in VHF/UHF Range
- In this paper a novel antenna is presented. This antenna, employing microstrip circular disc as radiator is seen to perform over a large impedance bandwidth (130MHz to 876 MHz). The disk resonator is loaded with L-C-R circuit across a selective location in the disk via a thin shorting pin. The...
- Tags: Bandwidth, Disk, Antenna, Disk Resonator
- White papers 2006-01-09
- Mobile Wireless Communication System Antennas for 260 MHz-Band
- Automotive mounted antennae are often vertically orientated 1/4 wave antennae because the body of the car can be used as an effective reflective infinite ground plane. The 1/4 wave antenna has a low cost and is also compact in size. This compact quality is important in automobile mounted antennae because...
- Tags: Mobile, Wireless Communication, Antennae, Antenna, Wi-Fi, Wireless, Advertising & Promotion, Marketing
- White papers 2006-03-26
- Reconfigurable Antenna Solution for MIMO-OFDM Systems
- A reconfigurable microstrip dipole antenna solution for Multiple Input Multiple Output MIMO communication systems making use of Orthogonal Frequency Division Multiplexing OFDM is presented. When applied to closely spaced antenna arrays, this method can increase link capacity. The benefits of this novel antenna solution are demonstrated by channel capacity measurements...
- Tags: Drexel University, MIMO-OFDM, Antenna Solution, OFDM, Wireless
- White papers 2006-01-23
- Antenna Selection in High-Throughput Wireless LAN
- This paper presents a new method for implementing antenna selection in high-throughput Wireless LANs WLANs, addressing two major practical concerns: antenna selection training protocol design, and calibration to solve RF imbalance problems. Specifically, the low Doppler spread of WLAN channels enables us to train all antenna subsets by multiple training...
- Tags: WLAN, Training, Antenna Selection, Wireless LANs, LANs, Workforce Management, Wi-Fi, Wireless, Networking, Human Resources
- White papers 2006-03-23
- Smart Antenna Systems
- A smart antenna system combines multiple antenna elements with a signal-processing capability to optimize its radiation and/or reception pattern automatically in response to the signal environment.What does an antenna do in a telecommunications system? It is the port through which radio frequency RF energy is coupled from the transmitter to...
- Tags: International Engineering Consortium, Radio Frequency, Signal Processing, Telephony, Network Technology, Networking
- White papers
- Hatena Antenna Gadget (gg)
- Lists your hatena antenna. This version is the first release on CNET Download.com.
- Tags: Antenna
- Software downloads 2007-11-08
- Adding an antenna/repeater to a PCIMCI Card (notebook)
- I have a home office that is out in the boonies. Is there a way that I can add an antenna or repeater to boost the signal for my wireless dialup card the company provided? I am not talking about boosting my home network, I am wanting to...
- Tags: notebook, golfer066@..., SMA, card
- Discussion threads 2007-05-24
- Minimized Dual-Band Coupled Line Meander Antenna for System-In-a-Package Applications
- A novel low-profile planar coupled line meander antenna for dual-band operation is presented. The design is based on meandered line principle with a coupled line to achieve two different radiation modes for GSM and DCS applications. Because of the effect of the coupled line, total dimension of the proposed antenna...
- Tags: Antenna, Session Initiation Protocol (SIP), Cellular Phones, Emerging Technologies, Consumer Electronics, Personal Technology
- White papers 2006-01-05
- Bandwidth and Gain Improvement of a Circularly Polarized Dual-Rhombic Loop Antenna
- This paper presents a novel way to improve the performance of a Circularly Polarized CP dual-rhombic loop antenna. The bandwidth is enhanced by adding a pair of parasitic rhombic loops inside the dual-rhombic loop while the gain is increased with the help of a short backfire antenna. Good impedance matching...
- Tags: Bandwidth, Antenna
- White papers 2006-02-23
- A Low Complexity Antenna Diversity Receiver for OFDM Based Systems
- A low complexity antenna diversity architecture with a new combining technique suitable for Orthogonal Frequency Division OFDM based systems is introduced in this paper. For a two branch antenna diversity, this structure requires only one FFT at the receiver and allows optimum maximum ratio combining. For systems with a higher...
- Tags: Technique, OFDM, Productivity, Wireless
- White papers
- A Class of Multi-Arm Monopole Antennas for Multi-Band Wireless/Mobile Applications
- This paper presents several multi-band, compact, lightweight and low-cost monopole antennas suitable for applications in the Wireless Local Area Network WLAN and mobile communications. These antennas are two-arm microstrip-fed antenna, two-arm antenna fed by a Co-Planar Waveguide CPW line, three-arm microstrip-fed antenna and a diversity antenna pair composed of two...
- Tags: Mobile, Mobile Application, Antenna, LANs, Wireless, Advertising & Promotion, Wi-Fi, Wireless LANs, Networking, Marketing
- White papers 2005-12-16
- Accurate Vehicular Positioning Using a DAB-GSM Hybrid System
- The Global Position System GPS and the Global Navigation Satellite System GLONASS are based on a satellite system. Much work has been carried out on a non-satellite positioning system using the existing Global System of Mobile Communications GSM infrastructure. This leads to a GPS-GSM positioning system that manufacturers claim to...
- Tags: Lancaster University, Positioning, GSM, Positioning System, Branding, Knowledge Management, Cellular Phones, Marketing, Enterprise Software, Software, Consumer Electronics, Personal Technology
- White papers 2005-09-29
- Wireless Hacks: Send Power Over Your Ethernet
- A number of access point manufacturers (Proxim, Symbol, and D-Link, to name just three) are now offering Power over Ethernet PoE add-ons for their access points. PoE modules insert DC voltage into a standard Ethernet cable. The idea is to supply the AP's power and UTP Ethernet connectivity requirements via...
- Tags: Wireless, Idea, Ethernet, Network Technology, Cable, Networking, Telecommunications, Personal Technology
- Book chapters 2005-11-09
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