HIGH-DATA-RATE WIRELESS LAN FOR TACTICAL MULTIMEDIA NETWORKS

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$70,769.00
Award Year:
1991
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
15105
Agency Tracking Number:
15105
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
17 Lakeside Office Park North, Avenue, Wakefield, MA, 01880
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
John H Cafarella
Principal Investigator
(617) 246-0103
Business Contact:
() -
Research Institute:
n/a
Abstract
THE REQUIREMENTS FOR HIGH-DATA-RATE CONNECTIVITY IN TACTICAL ARMY DEPLOYMENTS CONTINUES TO EXCEED THE RATES AVAILABLE USING EMERGING COMMUNICATIONS SYSTEMS; THESE SYSTEMS, WHICH NORMALLY ADDRESS THE BATTLEFIELD SURVIVABILITY PROBLEM BY USING CONSIDERABLE SPECTRUM SPREADING, OFFER RELATIVELY LOW DATA RATES AND THEY ALSO ARE VERY EXPENSIVE. AN ALTERNATE ARCHITECTURE FOR ACHIEVING THE DESIRED HIGH-RATE CONNECTIVITY IS TO REDUCE THE AMOUNT OF PROTECTION OBTAINED THROUGH SPREAD-SPECTRUM SIGNALING, AND TO SUBSTITUTE A COMBINATION OF ANTENNA DIRECTIVITY AND ABSORPTIVE PROPAGATION BEHAVIOR. ON THE OTHER HAND, IT IS NOT DESIRABLE TO COMPLETELY REMOVE SPREAD-SPECTRUM SIGNALING FOR SEVERAL REASONS. BY INCLUDING A MODEST AMOUNT OF SPREADING, A HYBRID APPROACH TO REDUCED PROBABILITY OF DETECTION (RFD) CAN BE EFFECTED, AS CAN BE THE REDUCTION OF FADING AND/OR INTERSYMBOL INTERFERENCE. THIS APPROACH COULD LEAD TO ROBUST, SURVIVABLE LINKS WHICH SUPPORT 10-MBIT/SEC WIRELESS LAN OPERATION IN A MULTIMEDIA NETWORK.

* information listed above is at the time of submission.

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