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A multi-mode wireless device on a single substrate includes an analog portion and a digital portion integrated on the single substrate. The analog portion includes a cellular radio core; and a short-range wireless transceiver core. The digital portion integrated on the substrate includes a reconfigu

A multi-mode wireless device on a single substrate includes an analog portion and a digital portion integrated on the single substrate. The analog portion includes a cellular radio core; and a short-range wireless transceiver core. The digital portion integrated on the substrate includes a reconfigurable processor core coupled to the cellular radio core and the short-range wireless transceiver core, the reconfigurable processor adapted to handle a plurality of wireless communication protocols. The digital portion also includes a high-density memory array core coupled to the reconfigurable multi-processor core.

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What is claimed is: 1. A multi-mode wireless device on a single substrate, comprising: an integrated circuit having an analog portion integrated on the substrate, comprising: a cellular radio core; a radio sniffer coupled to the cellular radio core; and a short-range wireless transceiver core coupl

What is claimed is: 1. A multi-mode wireless device on a single substrate, comprising: an integrated circuit having an analog portion integrated on the substrate, comprising: a cellular radio core; a radio sniffer coupled to the cellular radio core; and a short-range wireless transceiver core coupled to the cellular radio core; and the integrated circuit having a digital portion integrated on the substrate, comprising: a reconfigurable processor core coupled to the cellular radio core and the short-range wireless transceiver core, the reconfigurable processor core configured to handle a plurality of wireless communication protocols; and a router coupled to the reconfigurable processor core, the cellular radio core, and the short-range wireless transceiver core, the router configured to transmit data packets in parallel simultaneously via the cellular radio core and the short-range wireless transceiver core. 2. The wireless device on a single substrate of claim 1, wherein at least one of the wireless communication protocols conforms to a Bluetooth짰 or IEEE802.11 protocol. 3. The wireless device on a single substrate of claim 1, wherein the reconfigurable processor core includes one or more reduced instruction set computer (RISC) processors. 4. The wireless device on a single substrate of claim 1, wherein the router further comprises an engine configured to track the destinations of the data packets. 5. The wireless device on a single substrate of claim 1, wherein the router is configured to send the data packets in parallel through a primary and a secondary communication channel, wherein the primary communication channel comprises a short-range channel and the secondary communication channel comprises a cellular channel. 6. A portable computer system, comprising: a processor; a multi-mode wireless integrated circuit formed on a single substrate coupled to the processor, the integrated circuit comprising: an analog portion integrated on the substrate, including: a cellular radio core; and a short-range wireless transceiver core; and a digital portion integrated on the single substrate, including: a reconfigurable processor core coupled to the cellular radio core and the short-range wireless transceiver core, the reconfigurable processor core including multiple programmable processors and multiple dedicated processors configured to handle a plurality of wireless communication protocols; a router coupled to the reconfigurable processor core, the cellular radio core, and the short-range wireless transceiver core, the router configured to transmit data packets in parallel simultaneously via the cellular radio core and the short-range wireless transceiver core; and a memory array coupled to the reconfigurable processor core; a program storage device coupled to said processor; and an input recognizer embodied in said program storage device, said input recognizer configured to receive input from a user. 7. The portable computer system of claim 6, wherein one of the wireless communication protocols conforms to a Bluetooth짰 protocol. 8. The portable computer system of claim 6, wherein the multiple programmable processors include one or more digital signal processors (DSPs). 9. The portable computer system of claim 8, wherein the multiple programmable processors include one or more reduced instruction set computer (RISC) processors. 10. The portable computer system of claim 6, wherein the router further comprises an engine configured to track the destinations of the data packets. 11. The portable computer system of claim 6, wherein the router is configured to send the data packets in parallel through a primary and a secondary communication channel. 12. A method comprising: communicating data packets via a cellular radio medium using a multi-mode wireless integrated circuit having a substrate including a cellular radio core, a short-range wireless transceiver core, and a processor core; and communicating at least some of the data packets in parallel simultaneously via a short-range wireless medium and a cellular radio medium using the multi-mode wireless integrated circuit. 13. The method of claim 12, further comprising primarily communicating the data packets via a primary communication channel and periodically communicating the data packets via a secondary communication channel. 14. The method of claim 12, further comprising communicating the data packets via the short-range wireless medium while in a local area network and communicating the data packets via the cellular radio medium while outside the local area network. 15. The method of claim 14, further comprising powering down the short-range wireless transceiver core while communicating the data packets via the cellular radio medium. 16. The method of claim 12, further comprising searching for a short-range wireless medium signal during an idle time of the cellular radio core. 17. The method of claim 16, further comprising transmitting a deregistration message to a cellular system if the short-range wireless medium signal is found. 18. The wireless device on a single substrate of claim 1, wherein the router is configured to determine an optimal transmission medium based on information from the radio sniffer. 19. The wireless device on a single substrate of claim 1, wherein the router is configured to reuse a filter and a decoder for the plurality of wireless communication protocols. 20. The portable computer system of claim 6, further comprising a radio sniffer coupled to the cellular radio core and the short-range wireless transceiver core to determine an optimal transmission medium based on information from the radio sniffer.