Frequency offset differential pulse position modulation

Details Frequency offset differential pulse position modulation Frequency offset differential pulse position modulation

2006-08-15

2009-10-27

Pezzlo, John (Department: 2419)

Multiplex communications

Channel assignment techniques

Carrier sense multiple access

C370S230000

Reexamination Certificate

active

07609712

ABSTRACT:
The present invention provides such a need by utilizing a frequency offset differential pulse position modulation scheme to transmit data between computing devices within a wireless network system. The differential pulse position modulation component of the scheme enables the present invention to provide relative immunity to interference for the system. In particular, such immunity from interference is achieved by utilizing a blanking time between pulse positions, which is large enough to allow the interference between frequency offset—differential pulse position modulation pulses to subside. The frequency offset component of the scheme enables the system to utilize multiple frequency channels to enable the system to achieve higher data rates. In particular, by utilizing a time offset between the frequency channels, the blanking time can be reduced, thereby increasing the amount of data that can be transmitted with a set period of time.

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Analog And Digital Communication Systems; Martin S. Roden, Dept. of Electrical and Computer Engineering, California State University, Los Angeles, Fourth Edition. Prentice Hall, Upper addle River, NJ 07458.

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