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Broadband network for coaxial cable using multi-carrier modulation

DC
  • US 7,295,518 B1
  • Filed: 12/18/2002
  • Issued: 11/13/2007
  • Est. Priority Date: 08/30/2001
  • Status: Active Grant
First Claim
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1. A data communication network comprising:

  • at least two network devices, each network device comprising a multi-carrier modulator for modulating data, an up converter for translating the modulated data to an RF carrier frequency, a down converter for translating an RF signal, and a multi-carrier demodulator for demodulating the translated RF signal to produce data; and

    cable wiring comprising a splitter with a common port and a plurality of tap ports, and a plurality of segments of coaxial cable connecting between the splitter tap ports and the network devices;

    whereby network devices communicate with each other through the cable wiring using multi-carrier signaling;

    wherein network devices transmit probe messages through the cable wiring and analyze received probe message signals to determine channel characteristics and bit loading is selected based on the determined channel characteristics.

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