Wireless Communications

August 1, 2013
By Master Chief Petty Officer Chris Vertin, USA (Ret.), Lt. Col. Scott Brooks, USA, and Lt. Col. Dave Hernandez, USA

 

A new 4G capability known as JOLTED TACTICS offers tactical units up to 10 times the wireless bandwidth, data rate and delivery speed of 3G networks. The Internet protocol-based system is designed to provide robust communications to dismounted special operations forces teams and general purpose forces at the tactical level. The system leverages innovations in 4G Long Term Evolution cellular technologies, software-based encryption and mobile Ka-band spread spectrum satellite communications to rapidly deliver megabits of data to mobile, dismounted teams equipped with specially configured mobile devices such as smartphones or netbooks.

April 2008
By Henry S. Kenyon

April 2008
By Rita Boland

April 2008
By Henry S. Kenyon

 
The goal of the Defense Advanced Research Projects Agency’s (DARPA’s) Chip-Scale Atomic Clock (CSAC) program is to provide warfighters with enhanced radio communications and jam-resistant navigation systems.
Chip-scale time keepers offer accurate frequency location, lower power requirements for messaging, detection and navigation equipment.

September 1999
By Henry S. Kenyon

Trends point to a time when equipment could be automatically upgraded by accessing stored codes and waveform algorithms.

Internet accessible data libraries are looming as an important element in the continuing evolution of communications devices. By being able to hold a variety of waveform and signal processing algorithms on chips and in databases, these information storehouses give users enhanced flexibility in selecting specific material when and where they need it.

September 1999
By Michelle L. Hankins

Air link protocol makes waves with effective spectrum use.

An evolving technology promises efficient spectrum use to enable bandwidth on demand in wireless broadband access systems. The technology is being implemented in point-to-multipoint systems operating across the millimeter wave region to provide wireless communications transmissions.

September 1999
By Henry S. Kenyon

New family of algorithms provides breakthrough in digital satellite and radio communications.

Engineers are using a new class of algorithms capable of encoding and decoding communications at speeds close to transmission channel maximum capacities, a feat that has eluded engineers since the 1940s when a theoretical limit to channel capacity was first defined. Under development since the early 1990s, these algorithms are now being tested in proof-of-concept devices.

December 2001
By Henry S. Kenyon

Legal, allocation problems hamper wireless technology rollouts.

Regulatory and spectrum issues may delay widespread release of third generation wireless technologies in the United States and Europe. The root of the difficulty is the lack of available bands for new applications in North America and questions surrounding rule-making authority in the European Union.

December 2001
By Henry S. Kenyon

Program allows mobile devices to operate on any network.

Cellular telephone users may be closer to achieving their dream of making telephone calls or accessing messages and services from anywhere in the world. Researchers have developed a software architecture that allows global roaming across all types of wireless systems. The technology offers the potential for upcoming third generation wireless telecommunications systems to operate beyond the current patchwork of regional and national networks.

June 2003
By Henry S. Kenyon

Semantic web technology offers smarter, more efficient data searches, information sharing.

U.S. Defense Department researchers are developing software that may be capable of accurately understanding the nuances of human language. The technology promises to greatly enhance a spectrum of computer-based systems—from commercial Web browsers and personal virtual assistants to advanced intelligence gathering and command and control systems.

June 2001
By Henry S. Kenyon

Manportable unit pushes mobile networking limits.

A prototype personal communications and situational awareness system may provide U.S. warfighters with an advantage in tactical combat. The device will link soldiers to a mobile voice and data network with the capability to share important information among individuals and entire units. A built-in inertial geolocation subsystem will enable troops to determine their location even if global positioning system signals are jammed or unavailable.

December 2003
By Maryann Lawlor

 

To introduce its Centrino mobile technology products, Intel Corporation's mobile messengers march through Times Square in New York. It was the company's biggest product launch since the Pentium processor 10 years ago.

Mobile technologies come home.

December 2003
By Henry S. Kenyon

New rule promotes automated frequency-shifting methods to prevent spectrum clashes with commercial, government users.

A recently adopted international standard protects military radar and scientific satellite transmissions against potential interference from wireless local area networks. It provides a toolkit and guidelines for manufacturers to modify their products to switch automatically to alternate channels when these signals are detected.

December 2003
By Henry S. Kenyon