Call admission control in cellular networks

Details Call admission control in cellular networks Call admission control in cellular networks

1997-02-11

1999-06-15

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359125, 359132, 359140, H04J 1402, H04J 1408

Patent

active

059127490

ABSTRACT:
A unique time slot is assigned to each of a plurality of wavelengths emitted by a single, centralized wavelength division multiplexed optical source to provide a "bit interleaved" WDM signal. In accordance with an illustrative embodiment of the present invention, the thus-developed bit-interleaved WDM signal is replicated in cascaded stages of amplification and power splitting before data is encoded for respective frequency dependent receivers as, for example, a plurality of passive optical networks. Because the output of the optical source need not be encoded with data for the respective receivers until after many stages of splitting and amplification, a small number of time division multiplexing (TDM) modulators synchronized to the source may be used to deliver data to potentially tens of thousands of subscribers.

REFERENCES:
patent: 5337175 (1994-08-01), Ohnsorge et al.
patent: 5438444 (1995-08-01), Tayonaka et al.
patent: 5559624 (1996-09-01), Darcie et al.
patent: 5631758 (1997-05-01), Knox et al.
patent: 5793507 (1998-08-01), Giles et al.

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