Multiple input, multiple output (MIMO) communication system over in-premises wires
A method of communicating across power lines, including communicating data between at least two in-premises network devices along more than one channel, each channel defined by a different two of a plurality of wires in a subscriber premises, a first channel forming a straight path channel and a second channel forming a cross-path channel, and using multiple-input, multiple-output (MIMO) processing and maximum ratio combining (MRC) processing of data received along the plurality of wires, at least a portion of the data being received simultaneously from the straight path channel and the cross-path channel, wherein the wires are phase, neutral and ground wires of a subscriber premises.
1. A multiple-input, multiple-output (MIMO) communications receiver for an in-premises multi-point network, the receiver comprising:
a multiplicity of analog front ends each connectable to a different two of a plurality of wires in a subscriber premises, said plurality of wires forming a shared medium of said network, and each said analog front end to receive data of one channel; and
a MIMO processor to process together data received from said channels, at least a portion of said data being received simultaneously from said channels,
wherein said multiplicity is at least two,
wherein said wires are phase, neutral and ground power line wires of said premises,
wherein one analog front end is connectable to said phase and neutral wires, thereby forming a first channel and another analog front end is connectable to said neutral and ground wires, thereby forming a second channel,
wherein one of said first channel and said second channel is a straight path channel and wherein the other one of said first channel and said second channel is a cross-path channel, and
wherein said MIMO processor uses maximum ratio combining (MRC) to process said data received from said straight path channel and said cross-path channel.
2. A multiple-input, multiple-output (MIMO) communications receiver for an in-premises multi-point network, the receiver comprising:
a multiplicity of analog front ends each connectable to a different two of a plurality of wires in a subscriber premises, said plurality of wires forming a shared medium of said network, and each said analog front end to receive data of one channel; and
a MIMO processor to process together data received from said channels, at least a portion of said data being received simultaneously from said channels,
wherein said multiplicity is at least two,
wherein said wires are phase, neutral and ground power line wires of said premises,
wherein one analog front end is connectable to said phase and ground wires, thereby forming a first channel and another analog front end is connectable to said phase and neutral wires, thereby forming a second channel,
wherein one of said first channel and said second channel is a straight path channel and wherein the other one of said first channel and said second channel is a cross-path channel, and
wherein said MIMO processor uses maximum ratio combining (MRC) to process said data received from said straight path channel and said cross-path channel.
3. A multiple-input, multiple-output (MIMO) communications receiver for an in-premises multi-point network, the receiver comprising:
a multiplicity of analog front ends each connectable to a different two of a plurality of wires in a subscriber premises, said plurality of wires forming a shared medium of said network, and each said analog front end to receive data of one channel; and
a MIMO processor to process together data received from said channels, at least a portion of said data being received simultaneously from said channels,
wherein said multiplicity is at least two,
wherein said wires are phase, neutral and ground power line wires of said premises,
wherein one analog front end is connectable to said phase and ground wires, thereby forming a first channel and another analog front end is connectable to said ground and neutral wires, thereby forming a second channel,
wherein one of said first channel and said second channel is a straight path channel and wherein the other one of said first channel and said second channel is a cross-path channel, and p 1 wherein said MIMO processor uses maximum ratio combining (MRC) to process said data received from said straight path channel and said cross-path channel.
4. A method of communicating across power lines, the method comprising:
communicating data between at least two in-premises network devices along more than one channel, each channel defined by a different two of a plurality of wires in a subscriber premises, a first one of said more than one channel forming a straight path channel and a second one of said more than one channel forming a cross-path channel; and
using multiple-input, multiple-output (MIMO) processing and maximum ratio combining (MRC) processing of data received along said plurality of wires, at least a portion of said data being received simultaneously from said straight path channel and said cross-path channel,
wherein said wires are phase, neutral and ground wires of a subscriber premises.
5. The method according to claim 4 , wherein one of said at least two in-premises network devices is connectable to said phase and ground wires and another one of said at least two in-premises network devices is connectable to said phase and neutral wires.
6. The method according to claim 4 , wherein one of said at least two in-premises network devices is connectable to said phase and ground wires and another one of said at least two in-premises network devices is connectable to said ground and neutral wires.
7. The method according to claim 4 , wherein one of said at least two in-premises network devices is connectable to said phase and neutral wires and another one of said at least two in-premises network devices is connectable to said ground and neutral wires.