Method and apparatus for digital cellular internet voice communications
First Claim
1. A digital cellular handset comprising:
- an antenna;
a radio transceiver connected to said antenna;
a radio analog-to-digital converter and a radio digital-to-analog converter connected to said transceiver;
a digital cellular processor/microcontroller connected to said radio analog-to-digital and digital-to-analog converters;
an Internet protocol processor/microcontroller connected to said digital cellular processor/microcontroller;
an audio analog-to-digital converter and an audio digital-to-analog converter connected to said Internet protocol processor/microcontroller; and
a speaker connected to said audio digital-to-analog converter and a microphone connected to said audio analog-to-digital converter;
wherein, in the receive direction the transceiver receives radio signals from said antenna and converts them into analog baseband signals, the radio analog-to-digital converter converts said analog baseband signals into raw data signals, the digital cellular processor/microcontroller processes said raw data signals into a voice over Internet Protocol packetized data stream, the Internet protocol processor/microcontroller unpacketizes and processes said voice over Internet Protocol packetized data steam into a voice data stream, the audio digital-to-analog converter converts said voice data stream into analog waveforms, and the speaker broadcasts said analog waveforms, and, in the transmit direction the microphone receives analog waveforms, the audio analog-to-digital converter converts said analog waveforms into raw data signals, the Internet protocol processor/microcontroller packetizes and processes said raw data signals into a voice over Internet protocol packetized data stream, the digital cellular processor/microcontroller processes said voice over Internet Protocol packetized data stream into a digital cellular compatible data stream, the radio digital-to-analog converter converts said digital cellular compatible data stream into analog signals, and the transceiver converts the analog signals into a modulated radio carrier signal which is forwarded to said antenna.
5 Assignments
0 Petitions
Accused Products
Abstract
A digital cellular handset capable of supporting voice communications over the Internet, in addition to the digital cellular handset'"'"'s usual mode of voice communications over the digital cellular network/public telephony network is disclosed. Internet protocol software such as H.323, Session Initiation Protocol (SIP), and Media Gateway Control Protocol (MGCP) is stored within the digital cellular handset device run on an H.323 Digital Signal Processor (DSP) and H.323 microcontroller to packetize and unpacketize the digital data streams received by or transmitted from the handset. There is also disclosed the use of the Short Message Service (SMS) with PCS digital cellular communication systems to allow call alerting for digital cellular call set-up, initiation and establishment.
-
Citations
26 Claims
-
1. A digital cellular handset comprising:
-
an antenna;
a radio transceiver connected to said antenna;
a radio analog-to-digital converter and a radio digital-to-analog converter connected to said transceiver;
a digital cellular processor/microcontroller connected to said radio analog-to-digital and digital-to-analog converters;
an Internet protocol processor/microcontroller connected to said digital cellular processor/microcontroller;
an audio analog-to-digital converter and an audio digital-to-analog converter connected to said Internet protocol processor/microcontroller; and
a speaker connected to said audio digital-to-analog converter and a microphone connected to said audio analog-to-digital converter;
wherein,in the receive direction the transceiver receives radio signals from said antenna and converts them into analog baseband signals, the radio analog-to-digital converter converts said analog baseband signals into raw data signals, the digital cellular processor/microcontroller processes said raw data signals into a voice over Internet Protocol packetized data stream, the Internet protocol processor/microcontroller unpacketizes and processes said voice over Internet Protocol packetized data steam into a voice data stream, the audio digital-to-analog converter converts said voice data stream into analog waveforms, and the speaker broadcasts said analog waveforms, and, in the transmit direction the microphone receives analog waveforms, the audio analog-to-digital converter converts said analog waveforms into raw data signals, the Internet protocol processor/microcontroller packetizes and processes said raw data signals into a voice over Internet protocol packetized data stream, the digital cellular processor/microcontroller processes said voice over Internet Protocol packetized data stream into a digital cellular compatible data stream, the radio digital-to-analog converter converts said digital cellular compatible data stream into analog signals, and the transceiver converts the analog signals into a modulated radio carrier signal which is forwarded to said antenna. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A digital cellular handset composing:
-
an antenna;
a radio transceiver connected to said antenna;
a radio analog-to-digital converter connected to said transceiver;
a digital cellular processor/microcontroller connected to said radio analog-to-digital converter;
an Internet protocol processor/microcontroller connected to said digital cellular processor/microcontroller;
an audio digital-to-analog converter connected to said Internet protocol processor/microcontroller; and
a speaker connected to said audio digital-to-analog converter, wherein, the transceiver receives radio signals from said antenna and converts them into analog baseband signals, the radio analog-to-digital converter converts said analog baseband signals into raw data signals, the digital cellular processor/microcontroller processes said raw data signals into a voice over Internet Protocol packetized data stream, the Internet protocol processor/microcontroller unpacketizes and processes said voice over Internet Protocol packetized data stream into a voice data stream, the audio digital-to-analog converter converts said voice data stream into analog waveforms, and the speaker broadcasts said analog waveforms. - View Dependent Claims (8, 9, 10, 11, 12)
-
-
13. A digital cellular handset comprising:
-
an antenna;
a radio transceiver connected to said antenna;
a radio digital-to-analog converter connected to said transceiver;
a digital cellular processor/microcontroller connected to said audio digital-to-analog converters;
an Internet protocol process microcontroller connected to said digital cellular processor/microcontroller;
an audio analog-digital converter connected to said Internet protocol processor/microcontroller, and a microphone connected to said audio analog-to-digital converter;
wherein, the microphone receives analog waveforms, the audio analog-to-digital converter converts said analog waveforms into raw data signals, the Internet protocol processor/microcontroller packetizes and processes said raw data signals into a voice over Internet Protocol packetized data stream the digital cellular processor microcontroller processes said voice over Internet Protocol packetize data stream into a digital cellular compatible data stream, the radio digital-to-analog converter converts said digital cellular compatible data stream into analog signals, and the transceiver converts the analog signals into a modulated radio carrier signal which is applied to said antenna. - View Dependent Claims (14, 15, 16, 17, 18)
-
-
19. A method of digital cellular communications comprising the steps of:
-
receiving radio signals from a digital cellular network;
converting said radio signals ino raw data signals;
processing said raw data signals into a voice over Internet Protocol packetized data stream;
unpacketizing said voice over Internet Protocol packetized data stream into a voice data stream;
converting said voice data stream into analog waveforms; and
broadcasting said analog waveforms. - View Dependent Claims (20)
-
-
21. A method of digital cellular communications comprising the steps of:
-
receiving analog waveforms;
converting said analog waveforms into raw data signals;
packetizing said raw data signals into a voice over Internet Protocol packetized data steam;
processing said voice over Internet Protocol packetized data stream into a digital cellular compatible data stream;
converting said digital cellular compatible data stream into radio signal nd transmitting said radio signals to a digital cellular network.
-
-
22. A method of initiating digital cellular communications over the Internet between a first Internet protocol enabled device and a second Internet protocol enabled device comprising the steps of:
-
generating a Short Message Service (SMS) message with the Internet protocol (IP) address of the first Internet protocol enabled device embedded therein;
forwarding said SMS message to the second Internet protocol enabled device to initiate a call setup, wherein the second Internet protocol enabled device does not have a fixed IP address;
extracting the IP address from said SMS message; and
using the IP address to connect the second Internet protocol enabled device to the first Internet protocol enabled device over the Internet. - View Dependent Claims (23, 24, 25, 26)
-
Specification