Multiplex communications – Wide area network – Packet switching
Patent
1993-08-25
1995-08-08
Marcelo, Melvin
Multiplex communications
Wide area network
Packet switching
370 858, 34082508, H04J 316
Patent
active
054405556
ABSTRACT:
An object of the present invention is to provide an access system which can accommodate constant bit rate data irrespective of the traffic conditions and which also allows accommodation of variable bit rate data at a high circuit utilization efficiency. The access system is constructed such that a master station first performs allocation of transmission right for constant bit rate data to all of slave stations for each transmission period for constant bit rate data. The master station does not immediately perform allocation but reserves requests for transmission right for variable bit rate data, and after allocation of transmission right for constant bit rate data to all of the slave stations, the master station allocates the requests for transmission right for variable bit rate data to non-used regions within the transmission period.
REFERENCES:
patent: 4763323 (1988-08-01), Nelson et al.
Marcelo Melvin
NEC Corporation
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