Abstract A method provides for a first network node in a plurality of network nodes to transmit a data packet to a hub. The hub and the network nodes are interconnected within a local network system. Control signals are exchanged between the first network node and the hub. The exchange of control signals is done in a first signal frequency range. A data packet is sent from the first network node to the hub. The data packet is sent using data signals within a second signal frequency range. The first signal frequency range and the second signal frequency range do not overlap. For clock recovery and crosstalk reduction the data (303) are scrambled using a polynome. For transmission the scrambled data are block encoded.
A method for transmitting first data (303) across a network, the method comprising the steps of: (a) scrambling the first data (303) to produce scrambled data (304) ; (b) serializing and block coding the scrambled data (304) to produce a plurality of serial data streams (305); (c) transmitting the plurality of serial data streams (305) across the network; (d) deserializing and block decoding the plurality of serial data streams to recover the scrambled data (308); and, (e) descrambling the scrambled data (308) to recover the first data.
Claim 2
Dependent Claim
26 words
A method as in claim 1 wherein in step (a) the scrambling is based on the following polynomial factors: S[n] = 1 + S[n-9] + S[n-11].
Claim 3
Independent Claim
21 words
A method as in claims 1 or 2 wherein in step (b) the block coding is performed using a 5B/6B code.
Claim 4
Independent Claim
21 words
A method as in any one of the claims 1 - 3 wherein step (c) is performed using binary NRZ modulation.
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