Accession Number:

ADA106380

Title:

Skywave Communication Techniques. Decision Feedback Equalization for Serially Modulated Spread-Spectrum Signals in the hf Band Yields Improved Reliability.

Descriptive Note:

Final rept. FY77-FY81,

Corporate Author:

NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA

Personal Author(s):

• Hoff,L. E.
• King,A. R.

Report Date:

1981-03-30

Pagination or Media Count:

56.0

Abstract:

Summarizes the Skywave Communication task. Presents some results of the work on wide-band channel modeling, adaptive equalization, and the field test, which demonstrated that serial modulation spread-spectrum signals can be used to provide reliable communication at hf under multipath conditions. Author

Descriptors:

• *ADAPTIVE SYSTEMS
• *SKY WAVES
• *SPREAD SPECTRUM
• *IONOSPHERIC PROPAGATION
• ALGORITHMS
• COMPUTERIZED SIMULATION
• HIGH FREQUENCY
• DECISION MAKING
• MODELS
• TASK FORCES
• FIELD TESTS
• SEQUENCES
• RELIABILITY
• FEEDBACK
• SIGNALS
• BROADBAND
• YIELD
• MODULATION
• CHANNELS
• MULTIPATH TRANSMISSION
• EQUALIZATION

Subject Categories:

• Radiofrequency Wave Propagation
• Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE