Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-06-02
2000-08-01
Eisenzopf, Reinhard J.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455445, H04G 720
Patent
active
060979445
ABSTRACT:
A system for linking transmissions from multiple wireless transmission sites over a wide area by centrally controlling the batching of transmissions at the sites. The transmission sites are grouped into one or more zones. The system includes a controller (control point equipment) for receiving data representing transmission requests and associating each request with a unique serial number, and for sending transmissions having control information to sites in one or more zones by addressing each of the transmissions with one of a plurality of zone addresses in which each zone address defines one or more zones. For each zone, the controller stores the transmission requests in a master database, with their associated serial number, which are pending for the zone. The control information may be one of three different types: the first type has data representing one of a transmission request and its associated serial number; a second type having batching instructions which identify the serial numbers of the transmission requests to be batch transmitted by a site; and a third type having resynch data specifying serial numbers of the transmission requests stored in the master database for a zone. Each of the transmission sites is responsive only to the received transmissions from the controller having a zone address within a predetermined set of zone addresses. A site is responsive to first type control information by storing received transmission requests with their associated serial number in a database at the site. A site is responsive to second type control information by batching and transmitting the transmission requests stored in its database identified by the serial numbers of the received batching instruction. A site is responsive to third type transmission control information for synchronizing the transmission requests stored in the database of the site with transmission requests identified by the serial numbers of the received resynch data.
REFERENCES:
patent: 4868866 (1989-09-01), Williams, Jr.
patent: 5790952 (1998-08-01), Seazholtz et al.
patent: 6023624 (2000-02-01), Hanson
Eisenzopf Reinhard J.
Enhanced Messaging Systems, Inc.
Lukacher Kenneth J.
Mehrpour N.
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