Adjustable dual-band link

Details Adjustable dual-band link Adjustable dual-band link

2004-12-22

2008-03-25

Ha, Dac V. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C370S219000, C370S295000, C370S465000, C370S480000, C370S485000, C455S103000

Reexamination Certificate

active

07349484

ABSTRACT:
A communication system utilizing an adjustable link has at least a first data transmission circuit including at least a first communication link circuit. The first communication link circuit has a baseband circuit and at least a passband circuit. The baseband circuit corresponds to a baseband sub-channel and the passband circuit corresponds to a passband sub-channel. The first communication link circuit also includes a circuit that distributes a first subset of a data stream having a first symbol rate to the baseband circuit and a second subset of the data stream having a second symbol rate to the passband circuit. The baseband sub-channel and the passband sub-channel are separated by an adjacent guardband of frequencies. The passband carrier frequency is adjusted to define the guardband and the guardband corresponds to a first notch in a channel response of a first communications channel.

REFERENCES:
patent: 5640423 (1997-06-01), Archer
patent: 6310910 (2001-10-01), Shah et al.
patent: 2003/0081693 (2003-05-01), Raghavan et al.
patent: 2003/0087634 (2003-05-01), Raghavan et al.
patent: 2003/0112896 (2003-06-01), Raghavan et al.
patent: 2003/0133049 (2003-07-01), Cowley et al.
patent: 2003/0134607 (2003-07-01), Raghavan et al.
patent: 2003/0236071 (2003-12-01), Ito
patent: 2004/0110519 (2004-06-01), Chang et al.
patent: 2004/0165670 (2004-08-01), Roy et al.
patent: 2005/0245199 (2005-11-01), Batra et al.
patent: WO 01/29991 (2001-04-01), None
International Search Report for International Application No. PCT/US2005/038707 mailed Mar. 3, 2006.
J. Kim, et al., “A 2-Gb/s/pin Source Synchronous CDMA Bus Interface with Simultaneous Multi-chip Access and Reconfigurable I/O Capability,” Proceedings of the IEEE 2003 Custom Integrated Circuits Conference, Sept. 21-24, 2003, pp. 317-320.
Z. Xu, et al., “A 2.7 Gb/s CDMA-interconnect Transceiver Chip Set with Multi-level Signal Data Recovery for Reconfigurable VLSI Systems,” Digest of Technical Papers: International Solid-State Circuits Conference, San Francisco CA, USA, Feb. 9-13, 2003, vol. 1, 2003, pp. 82-83.
Amirkhany, Amir, et al., “Multi-ton Signaling for High-speed Backplane Electrical Links,” Feb. 29, 2004.

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