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5448762 |
Method and apparatus for mobile radio communications having switched dual frequency synthesizers
In a mobile radio communications station, a communications reception frequency is generated and a time sequence of a plurality of reception monitoring frequencies is separately generated. A...
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5442681 |
Method of exchanging communicated signals between a remote base site and a central site in a communication system
A communication system employs a method for exchanging communicated signals between a remote base site (e.g., 63) and a central site (205) on a communication resource (e.g., 77) assigned to the...
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5423068 |
Method of managing, in a telecommunication network, user data of a user who may move from a base work area associated with a base exchange to another work area associated with another exchange
A method of managing, in a telecommunication network, user data of a user who may move from a base work area associated with a base exchange which comprises a base memory to another work area...
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5423064 |
Received signal strength indicator level monitor circuit for digital mobile communication system
In a digital mobile communication system wherein one communication channel is used by a plurality of system users by time sharing, the communication channel being used in a certain zone is switched...
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5404574 |
Apparatus and method for non-regular channel assignment in wireless communication networks
A channel assignment system assigns channels to various cells by the optimal partitioning of the available radio frequencies into non-overlapping sets, the optimal grouping of co-user cells, and...
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5345474 |
Temporary address system in a radio communication system
According to the temporary address system in the radio communications system of the present invention, as a temporary address data, an identification number determined based on the number of...
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5325419 |
Wireless digital personal communications system having voice/data/image two-way calling and intercell hand-off
A wireless digital personal communications system (or PCS) having a plurality of intelligent base stations and portable handset terminals, each having a predetermined radio cell coverage area. The...
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5289527 |
Mobile communications device registration method
A distance based method for mobile station registration in a cellular communication system. The mobile station registers whenever it moves into a new cell that is greater than some predefined...
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5267261 |
Mobile station assisted soft handoff in a CDMA cellular communications system
In a code division multiple access (CDMA) spread spectrum cellular communication system in which a mobile station user communicates with another system user via at least one base station, wherein...
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5228029 |
Cellular TDM communication system employing offset frame synchronization
An RF cellular TDM communication system employing offset frame synchronization between cells, any cell being omni-directional or directional, such that a frame at one cell is offset by an integral...
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