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US 2008/0291986 A1Published application
Low power partial functionality modems
AssigneeValens Semiconductor Ltd.
InventorsEyran Lida, Avi Avrahami, Alon Benzaray, Nadav Banet, Micha Risling, Massad Eyal, Zeev Brunin
Life of this patent
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Abstract
Low power partial functionality modems, receivers, transmitters and transceivers. Some embodiments include a first mode for receiving/transmitting a first data stream over wires, and a second low-power partial-functionality mode for receiving/transmitting a low throughput second bidirectional data stream over a subset of the wires, wherein a bi-functional analog front end supports both modes.
Claims25
A plural modes modem comprising:
- a first core for supporting transmission of a first data stream having a throughput of more than approximately 1 Gbps comprising at least two data types, over a cable comprising conductive wires, wherein at least one of the data types is bidirectional;
- a second core for supporting transmission of a second low power bidirectional data stream having a throughput of less than approximately 100 Mbps, over a subset of the conductive wires used by the first data stream;
- and a bi-functional analog front end for supporting the first data stream and the second low power bidirectional data stream.
A plural modes modem comprising:
- a first mode of operation for transmitting a first data stream over a cable comprising conductive wires;
- a second low-power partial-functionality mode of operation for transmitting a second bidirectional data stream over a subset of the conductive wires used by the first mode of operation, wherein the ratio between the throughput of the first data stream and the throughput of the second data stream is at least approximately 10:1, a bi-functional analog front end supports the first mode of operation and the second low-power partial-functionality mode of operation, and the first data stream comprises data types that are not transmitted in the second bidirectional data stream.
A multi data type receiver comprising:
- an active mode of operation operative to receive a high definition video stream;
- a low power partial functionality mode of operation operative to receive a control stream;
- wherein the streams are received from a common analog front end, and the received stream is switched, according to a system controller, to either an active mode path or a low power partial functionality mode path;
- wherein the common analog front end is coupled to a cable selected from the group of:
- CAT5, CAT5e, CAT6, CAT6a, or CAT7.
2 more elements
A multi data type device comprising:
- a receiving path comprising a common hybrid circuit coupled to a receiving analog front end, the receiving analog front end having an active mode of operation and a low power partial functionality mode of operation;
- the receiving analog front end is coupled to a receiving DSP that is coupled to a link layer data demultiplexer;
- the receiving DSP and the link layer data demultiplexer also having an active mode of operation and a low power partial functionality mode of operation;
- and a transmitting path for transmitting at least a high definition video stream, the transmitting path comprising a link layer data multiplexer and a transmit modulator, the link layer data multiplexer and the transmit modulator having an active mode of operation and a low power partial functionality mode of operation;
- the transmit modulator is coupled to a transmit analog front end, the transmit analog front end also having an active mode of operation and a low power partial functionality mode of operation;
- the transmit analog front end is coupled to the common hybrid circuit;
- wherein the common hybrid circuit is coupled to a cable selected from the group of CAT5, CAT5e, CAT6, CAT6a, or CAT7.
4 more elements
Dependencies are inferred from the claim text.