Microcell system in digital cellular
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 7, 1993
Grant Date -
N/A
app pub date -
Apr 2, 1991
filing date -
Apr 2, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cellular telephone system is described of the type wherein a plurality of contiguous cells, each having a different assigned set of transmission frequency channels, are arranged with handoff control for maintaining continuous communication with mobile telephones moving from cell to cell. The system allows multiple access by including assigning at least one of the frequencies in the assigned set of transmission frequencies to more than one mobile telephone. Three embodiments of the multiple access systems are disclosed. In one embodiment, a frequency division multiple access is used. In a second embodiment, a time division multiple access is used. In a third embodiment, a code division multiple access is used.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully