Method, device and router for providing a contention-based reser

Details Method, device and router for providing a contention-based reser Method, device and router for providing a contention-based reser

1995-09-11

1997-03-25

Hsu, Alpus H.

Multiplex communications

Channel assignment techniques

Only active channels transmitted

370455, 34082508, H04J 316

Patent

active

056152124

ABSTRACT:
The entry polling (EP) method (900) of the present invention primarily incorporates two types of polling: contention based and standard polling. The present invention provides several advantages over present polling approaches. EP slots allow multi-priority users to compete for access into the standard polling scheme. The reservation channel is efficiently used by dynamically adjusting the frequency of contention slots based on system dynamics and dynamically changing the number of contention minislots for each service category within a contention slot with the case of sending only one minislot per slot. The channel is assigned primarily to active users. Pipeline polling is also incorporated, thus providing full use of the upstream channel. Since the local state information is provided by the user, the central controller may allow multiple variable length packets to be sent.

REFERENCES:
patent: 5297144 (1994-03-01), Gilbert et al.
patent: 5347515 (1994-09-01), Marino
patent: 5440560 (1995-08-01), Rypinski

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