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Antennas WLAN
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Recent Antenna Headlines
FreshPatents.com Method, apparatus and system for controlling distributed antenna system
A method for controlling a distributed antenna system includes the following steps. A target propagation delay value is defined according to a transmit/receive transition gap. Propagation delay time of a service antenna unit corresponding to a base station is estimated. The service antenna unit is turned on to perform downlink...
FreshPatents.com Mobile terminal with antenna to tune a resonance frequency band and operating method thereof
A mobile terminal including an antenna to change an operating frequency band includes a sub-resonance generator that generates a sub-resonance to shift the operating frequency band. The sub-resonance generator may be electrically or physically connected to a main antenna of the mobile terminal. The sub-resonance generator is connected to at...
FreshPatents.com Method and apparatus for codebook based feedback in a closed loop wireless communication system
A method and apparatus are provided for feedback for closed-loop transmitting with multiple transmit antenna elements and multiple receive antenna elements. A base station includes a codebook containing sets of weightings for the multiple transmit antenna elements, with each set of weightings identified by an index and the codebook known...
FreshPatents.com Apparatus, methods, computer programs and computer readable storage mediums for wireless communications
An apparatus including a first port configured to receive signals from a transceiver and to receive a first antenna; a second port configured to receive signals from a transceiver and to receive a second antenna; a first reactive component coupled to the first port; a second reactive component coupled to...
FreshPatents.com Feeder link configurations to support layered modulation for digital signals
Systems and methods are disclosed for feeder link configurations to layered modulation. One feeder link system employs feeder link spot beam to antennas in distinct coverage areas to enable frequency reuse. Another system employs narrow beam width feeder link antenna to illuminate individual satellites also enabling frequency reuse. Yet another...
FreshPatents.com Portable radio-frequency repeater
A portable radio-frequency repeater includes a housing and a transceiver. The transceiver is disposed at least partially within the housing and configured to alternatively operate in a transmitting mode and a sleep mode. The transceiver includes an antenna and a control unit. The control unit is in electrical communication with...
FreshPatents.com Systems and methods for protecting microelectromechanical systems switches from radio-frequency signals using switching circuitry
Electronic devices may be provided that contain wireless communication circuitry. The wireless communications circuitry may include microelectromechanical systems (MEMS) switches that receive radio-frequency antenna signals from antennas. The wireless communications circuitry may include switching circuitry interposed between the MEMS switches and the antennas. The switching circuitry may protect the MEMS...
FreshPatents.com Object detection with a multistatic array using singular value decomposition
A method and system for detecting the presence of subsurface objects within a medium is provided. In some embodiments, the detection system operates in a multistatic mode to collect radar return signals generated by an array of transceiver antenna pairs that is positioned across a surface and that travels down...
FreshPatents.com Antenna and method for making same
An antenna includes a transparent substrate, a silver layer directly formed on a surface of the transparent substrate, an ink layer made of an electroconductive ink directly formed on the silver layer, and a transparent protective layer directly formed on the silver layer. The silver layer forms a desired antenna...
FreshPatents.com Vault antenna for wlan or cellular application
A fringe-effect antenna module includes coupling structure configured to couple the module to a communications vault that is disposed substantially at ground level. A support structure (which preferably includes an electronics unit) is coupled to the coupling structure, and at least one antenna element is coupled to the support structure....
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Some useful links relating to mobile antennas.
WTRS Smart Antenna Report Fall 2007 This report offers the industry's only unbiased and comprehensive assessment of Smart Antenna markets and focuses on the market for specific technologies in the sector.
This report includes a complete assessment of the Smart Antenna, MIMO, Diversity, and Adaptive Antenna Markets as the changing requirements drive microcontroller developments. It is written both for component-level companies and end-product companies who are in the process of evaluating the Smart Antenna Market and the MIMO technology arena. Particular attention to the requirements which Smart Antenna technology development is placing on microcontrollers and associated IC components. The report includes global & regional market trends & forecasts, regulatory issues, standards development, economic effects, and strategic developments.Published By: West Technology Research Solutions, LLC
Date Published: Jan 2007 * * * * * * Wavion Launches Flagship Metro WiFi Solution - Alongside Trial Results (Competitive Update) After coming out of stealth mode back in May, Wavion has launched its flagship metro-scale WiFi AP - the WS410. Field trials suggest that the company's smart antenna technology works, but OEMs and commercial momentum are more important.
Published By: Current Analysis Inc.
Date Published: Sep 2006 * * * * * *
Other Interesting and Useful Sites:
| AN Wireless |
Radio Communications Towers. AN Wireless is a manufacturer and
distributor of self supporting and guyed tower systems for both
amateur radio and industry.
Useful calculators
A few handy tools for when it comes time to get serious about that
tower: Concrete Calculator, Aggregate Calculator, Erosion
Calculator, Metal Weight Calculator, Wireless Tower Locator, Line of
Sight Calculator, Fresnel Zone Calculator, Antenna Isolation
Calculator, Wireless Network Link Analysis, Antenna Beamwidth
Analysis, Ice Probability Map, Wind Speed Zone Map. |
| Andrew Corp |
Terrestrial
Microwave Antenna System Products comprehensive line of antennas
for point-to-point and point-to-multi-point microwave communication.
The extremely wide range of antenna permutations permits the
designer to choose an antenna that is optimized to the specific
system requirements. |
| Data Hunter |
Wireless Micro Data Radios. Miniature data radios built right into
the "rubber ducky" antenna. Parasitic data radios powered
directly from the RS232 signals. |
| Ethertronics |
Ethertronics is an embedded antenna pioneer and manufacturer
dedicated to providing the worlds best antennas for personal mobile
devices. A variety of embedded antennas for cellphone
manufacturers (AMP, PCS, DCS, GSM, 3G, GPRS, PCS, TDMA, CDMA, etc)
and short range wireless Bluetooth and 802.11b antennas. |
| gigaAnt |
Antenna Training Package
This four hour CD training package is designed to give you the basic
knowledge needed by everyone involved with projects where radio
communication forms a part. It is particularly useful because an
antenna is included in all wireless communication devices. From the
well-structured course you will gain a deeper understanding of the
importance of an antenna strategy, acquire basic knowledge of
antenna function, and see how the antenna affects the development
process. Common antenna characteristics and test parameters are
explained, thus enabling you to comprehend and compare the different
antenna concepts that are presented on the CD. |
| GlobalSources |
Connecting global buyers and suppliers. |
| Halon Electronics Co., Ltd |
A leading enterprise in electronics industry in China. Halon
Electronics Co., Ltd manufactures Bluetooth antenna, GPS antenna,
WLAN antenna, 3G filter, Series dielectric ceramic filter, Series
TEM dielectric resonator, 900M Dielectric Filter, Thick film hybrid
IC, Dielectric ceramic substrate. |
| iAntennaBoosters |
Enhance your cellular phone's signal and reduce static with this
easy to install Internal Antenna. Stop worrying about dropping
important calls or loosing reception in elevators or tunnels. This
amazing little antenna works on analog, digital, tri-band phones,
beepers, walkie-talkies, PDA's and two-way radios. Click
Here to increase your cell phone reception by up to 300%! |
| Itelite |
Antennas 2.4 GHz, 5.2 GHz, 5.8 GHz for wireless networks and
wireless data transmission. Sector, omni, dish, directional, grid
antennas, 2.4 GHz antennas and accessories for WISP, 5.2 GHz
antennas. |
| LM Electronics |
LM Electronics, Inc provides the broadest line of antenna products
from 26.0MHz to 40.0GHz. We can provide or custimize an antenna to
meet your needs. In Base Stations, we build Parabolic Dishes &
Grids, Omnidirectional, Yagi, Panels, Sector, and Indoor antennas.
LM also carries a wide array of Mobile antennas as well as GPS and
Embedded antennas. We are very strong in the IEEE 802.11a and
802.11b products. |
| Radio-Electronics |
Antenna
Topics Information about antennas, antenna basics, polarisation,
applications, ... |
| Rainsun |
Rainsun is a leader in the design, development and manufacturing
of next-generation antenna technology for mobile communications,
automotive and mobile computing markets. Combine with our RF
expertise in design and testing and our advanced LTCC manufacturing
capabilities, we provide state-of-the-art chip antenna solutions.
Typical applications for chip antenna include wireless LAN 802.11a,
802.11b and Bluetooth devices such as wireless handsets, PDA,
wireless data, telemetric and household electronics. |
| Times Antenna Factory |
Antenna manufacturer and exporter of 2.4GHz - 5.8GHz Antennas,
WiFi Antennas. |
| Tower Maps |
Wireless tower and rooftop sites database. Wireless Antenna
Facility Location Data. Tower, Rooftop and Billboard Sites for
Co-location Lease throughout North America. |
| Woken Technology |
2.4 GHz and other dipole antennas. |
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