Increased spectral efficiency and reduced synchronization delay with bundled transmissions
First Claim
1. A method of communicating data, the method comprising:
- encoding source data into encoded data;
transmitting the encoded data over a channel bundle comprising multiple channels, wherein the multiple channels comprise only a single channel with a timing marker;
receiving the encoded data from the multiple channels with a decoder, wherein the encoded data received by the decoder from the multiple channels transmitted over the channel bundle is decoded together jointly; and
recovering clock information from the single channel of the channel bundle with the timing marker.
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Abstract
Techniques are provided for increasing spectral efficiency over data channels in a storage or communication system. In some embodiments, data may be encoded and transmitted over multiple channels. The transmitted data from the multiple channels may be considered together as a channel bundle, thereby increasing the edge transitions of the group of signals to improve clock recovery and reduce coding constraints. In some embodiments, the channel bit size is reduced to maximize data rates based on the reduced coding constraints. Furthermore, the channel bundle has only one channel with timing markers, so that a receiver may receive information from the channel bundle and recover clocking based on the timing markers in the one channel.
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Citations
17 Claims
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1. A method of communicating data, the method comprising:
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encoding source data into encoded data; transmitting the encoded data over a channel bundle comprising multiple channels, wherein the multiple channels comprise only a single channel with a timing marker; receiving the encoded data from the multiple channels with a decoder, wherein the encoded data received by the decoder from the multiple channels transmitted over the channel bundle is decoded together jointly; and recovering clock information from the single channel of the channel bundle with the timing marker. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of communicating digital data, the method comprising:
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encoding source data into encoded digital data; receiving encoded digital data from a channel bundle comprising multiple channels, wherein the multiple channels comprise only a single channel with a timing marker; recovering the source data from the received encoded digital data using one decoder, wherein the encoded digital data from the multiple channels is decoded by the decoder jointly and in parallel; and recovering clock information from the single channel with the timing marker of the multiple channels. - View Dependent Claims (8)
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9. An optical system, comprising:
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an encoder system configured to encode source data into encoded data to be transmitted over a channel bundle comprising multiple channels; a transmitter configured to transmit the encoded data through the channel bundle; a receiver system configured to receive the encoded data from the channel bundle; only one decoder configured to jointly decode the encoded data into source data, wherein the encoded data is from multiple channels and is decoded by the decoder jointly and in parallel; and a clock recovery circuit configured to recover clock information of the channel bundle by using the edge transitions of the data from the multiple channels. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification