SMART-MUX FOR DIGITAL MICROWAVE SYSTEMS

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 4268
Amount: $150,000.00
Phase: Phase II
Program: SBIR
Awards Year: 1987
Solitcitation Year: N/A
Solitcitation Topic Code: N/A
Solitcitation Number: N/A
Small Business Information
Pi Inc.
Po Box 442, Redondo Beach, CA, 90277
Duns: N/A
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr Tsun-yee Yan
 (213) 370-9961
Business Contact
Phone: () -
Research Institution
N/A
Abstract
USING WORD-STUFFING TECHNIQUE, A SMART MUX CAN BE DEVELOPED TO ALLOW MULTIPLEXING OF TELEMETRY AND OTHER HIGH-SPEED DATA STREAMS (OVER 1.544 MBPS) FOR TRNSMISSION OVER DIGITAL MICROWAVE SYSTEMS UTILITING TWO OR MORE T1 LINES AND/OR AT THE DS-2 LEVEL. INPUT DATA SEQUENCE IS FORMATTING INTO I-BIT CHANNEL WORD. CHANNEL WORD IS THEN TRANSMITTED ONCE IN EACH DATA FRAME. BY ADJUSTING THE WORD RATE, TOGETHER WITH WORD-STUFFING, THE MUX CAN OPERATE AT VARIABLE INPUT DATA RATES.

* information listed above is at the time of submission.

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