Multiplex communications – Wide area network – Packet switching
Patent
1995-01-26
1996-05-28
Marcelo, Melvin
Multiplex communications
Wide area network
Packet switching
370124, 370 76, H04J 114, H04J 116
Patent
active
055219063
ABSTRACT:
In a communication system that utilizes DMT technology to couple a primary site (102) to a plurality of secondary sites (104-108), carrier channel allocations may be updated as follows. At periodic intervals, the primary site requests updating bit loading information from the secondary sites. Upon receiving the updated bit loading information, the primary site (102) determines an updated call bit loading table for each active call. From this, the primary site (102) determines whether current carrier channel allocation provides sufficient bandwidth. When the current carrier channel allocation does not provide the sufficient bandwidth, the primary site modifies the current carrier channel allocation to meet the bandwidth requirements.
REFERENCES:
patent: 5400322 (1995-03-01), Hunt et al.
J. M. Cioffi; "DMT Information Bus for Multidrop Interface on Existing Wiring;" Amati Communications Corporation; pp. 1-6 (Jun. 6, 1994), T1E1.4/94-126.
T. Starr, et al.; The T1E1.4 Working Group; "Asymmetric Digital Subscriber Line (ADSL) Metallic Interface;" pp. 1-170 (Unpublished); T1E1.4/94-007R7.
Grube Gary W.
Markison Timothy W.
Pendleton Matthew A.
Rybicki Mathew A.
Marcelo Melvin
Motorola Inc.
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