Search Results - communications

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Stub Loaded Helix Antenna
A novel antenna design which exhibits performance characteristics similar to the traditional helical antenna such as gain and circular polarization. The antenna is about one third smaller in diameter and one-half as long as traditional helix antenna. The antenna is suitable for use in satellite communication systems, wireless local area networks, ...
Published: 9/24/2014   |   Inventor(s): R. Michael Barts, Warren Stutzman
Keywords(s): Communications, Wireless Portfolio
Category(s): Communication
Perturbed Square Ring Slot Antenna with Reconfigurable Polarization
The invention is directed to an antenna with reconfigurable polarization, and more particularly, to an antenna having a perturbed square ring slot configuration for operating in multiple polarizations. Polarized (CP) antennas are popular choices in mobile wireless communications applications owing to their ability to allow flexible orientation betw...
Published: 10/12/2012   |   Inventor(s): W. Mark Dorsey, Amir Zaghloul, Mark Parent
Keywords(s): Communications
Category(s): Electrical
Spatially Reduced Search Joint Detection for Overloaded Array Processing
Capacity (measured in number of users/channel for a particular Quality of Service) is an important metric for any wireless communication system. The easiest way to increase a capacity is to use more frequency-spectrum. However, as the wireless industry is booming, increased demand for spectrum has made this option prohibitively expensive. Antena...
Published: 9/20/2012   |   Inventor(s): James Hicks, Robert Boyle, Saffet Bayram, Jeffrey Reed
Keywords(s): Communications
Category(s): Communication
Proposed Hybrid Control Method for Digital PWM
This invention proposes a new DPWM control method. This method combines the ideas of constant frequency and constant on-time control. On the one hand, this method can achieve the same duty cycle resolution of constant on-time control, which is much higher than constant frequency control; on the other hand, it keeps the switching frequency nearly ...
Published: 9/3/2012   |   Inventor(s): Jian Li, Dong Sam Ha, Yang Qiu, Ming Xu, Fred Lee
Keywords(s): Communications
Category(s): Electrical
High-Quality Detection Based on Sequential Interference Cancellation Techniques
The present invention relates to a system and method for successive interference cancellation in a multi-user wireless communication system. In one aspect of the invention, a method of decoding signals from a plurality of superimposed signals.
Published: 9/3/2012   |   Inventor(s): Minh Nguyen, Amir Zaghloul
Keywords(s): Communications, Wireless Portfolio
Category(s): Communication
Wideband Phased Array Antenna Employing Increased Packaging Density Laminate Structure Containing Feed Network, Balun, and Power Divider Circuitry
This multi-element antenna system structure offers a novel architecture to substantially reduce the physical space required to implement and mount an associated feed network and interconnection circuitry. Therefore, this technology decreases the size and packaging density of a phased array antenna system. The new and improved, highly compact, wideb...
Published: 9/3/2012   |   Inventor(s): Warren Stutzman, J. Randall Nealy
Keywords(s): Communications
Category(s): Communication, Computer Hardware, Electrical
A Fourpoint Antenna
This Fourpoint Antenna technology offers significantly improved bandwidth over competing atennas without increasing mechanical size, making it extremely applicable for wideband wireless communication in both military and commercial applications. Measurement data from one hardware model demonstrates that a single Fourpoint Antenna covers a frequency...
Published: 9/3/2012   |   Inventor(s): Seong-Youp Suh, Warren Stutzman
Keywords(s): Communications, Wireless Portfolio
Category(s): Communication, Consumer Products, Devices, Electrical
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