Wireless Digital Personal Communications System Having Voice/Data/Image Two-Way Calling and Intercell Hand-Off Provided Through Distributed Logic Resident in Portable Handset Terminals, Fixed Terminals, Radio Cell Base Stations and Switched Telephone Network
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Abstract
A wireless digital personal communications system (or PCS) having a plurality of radio cell base stations, fixed terminals, and portable handset terminals, each having a predetermined radio cell coverage area. The wireless PCS has a full digital network interface. The personal communications system facilitates the interconnection and switching of PCS call traffic through the digital network interface and the public switched telephone network, or any switched network. The personal communications system has voice/data/image (or any combination thereof) and incoming and outgoing calling capability. The PCS is fully operational and compatible with any and all modulation approaches selected for wireless communications. The intercell protocol hand-off being provided through distributed logic which is implemented in software that is resident in the intelligent portable handset terminals, in the intelligent fixed terminals, in the intelligent base stations, and in the public switched telephone network (or any switched network). Alternative embodiments of the present invention include a wireless digital personal communications system having authentication means for authenticating a remote device; a wireless digital personal communications system having a combination of authentication means for authenticating a remote device and security means for securing signal and message content between an intelligent base station and a remote device, the security means including a predetermined encryption and decryption technique; a wireless digital personal communications system having dynamic zone grouping of portable handset terminals or fixed terminals; and a wireless digital personal communications system having call forwarding for unanswered calls.
16 Citations
115 Claims
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1-95. -95. (canceled)
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96. A method, comprising:
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receiving, at a radio cell base station of a wireless digital personal communications system from a communication terminal, a first encrypted communication message including at least one of voice, data, and image information; and in response to receiving the first encrypted communication message, sending first signaling information from the radio cell base station to a device of a public switched telephone network via a digital network interface of the radio cell base station. - View Dependent Claims (97, 98, 99, 100, 101, 102, 103, 104, 105)
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106. A wireless digital personal communications system, comprising:
a radio cell base station, comprising; a radio interface to receive, from a communication terminal, a communication message including at least one of voice, data, and image information, wherein the communication message is encrypted by the communication terminal; and a digital network interface configured to send signaling information from the radio cell base station to a device of a public switched telephone network, in response to receiving the communication message. - View Dependent Claims (107, 108, 109, 110, 111, 112, 113)
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114. A communication terminal, comprising:
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a radio interface; and software that is executable to cause the communication terminal to; scan voice communication channels of a radio cell base station; perform a comparison of signal quality of the voice communication channels; select a communication channel based on the comparison; and register the communication terminal with the radio cell base station via the selected communication channel. - View Dependent Claims (115)
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Specification