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1. 发明申请

US20180074861A1 HARDWARE EFFICIENT SYSTEM AND METHOD FOR LOAD BALANCING USING A RANDOM NUMBER 审中-公开
公开(公告)号：US20180074861A1
公开(公告)日：2018-03-15
申请号：US15692875
申请日：2017-08-31
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Bhaskar Chowdhuri , Chiang Yeh , Cyriel Johan Agnes Minkenberg , Guy Regev
IPC分类号： G06F9/50
摘要： A system and method for selecting a resource from among a plurality of resources. A total range of numbers is divided into a plurality of sub-ranges, each associated with a respective one of the resources. An indexing number, e.g., a random number, is generated and, when it falls within the total range of numbers, the resource associated with the sub-range into which the indexing number falls is selected. When the indexing number falls outside of the total range, a resource associated with the difference between the indexing number and the greatest number in the total range is selected.

2. 发明授权

US11089392B2 Optoelectronic switch 有权
公开(公告)号：US11089392B2
公开(公告)日：2021-08-10
申请号：US16487782
申请日：2018-02-21
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Andrew Rickman , Cyriel Johan Agnes Minkenberg , Guy Regev
IPC分类号： H04Q11/00
摘要： An optoelectronic switch for switching data from a source external client device to a destination external client device, the optoelectronic switch includes: an array of client-side transceivers, each having an array of client-facing optical ports to connect to an external client device, and an array of leaf-facing electrical ports; an array of leaf switches, each including an array of client-side electrical ports and an array of fabric-side electrical ports; a first electrical interconnecting region providing electrical connections between the leaf-facing electrical ports of the client-side transceivers and the client-side electrical ports of the leaf switches, an array of fabric-side transceivers, each having an array of leaf-facing electrical ports, and an array of fabric-facing optical ports; a second electrical interconnecting region providing electrical connections between the fabric-side electrical ports of the leaf switches and the leaf-facing electrical ports of the fabric-side transceivers; an array of spine switches, each including an array of fabric-facing optical ports; and an optical fabric providing connections between the fabric-facing optical ports of the fabric-side transceivers and the fabric-facing optical ports of the spine switches.

3. 发明授权

US09942027B2 Synchronization and ranging in a switching system 有权
公开(公告)号：US09942027B2
公开(公告)日：2018-04-10
申请号：US15466737
申请日：2017-03-22
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Guy Regev , Daniel Brunina , Nathan Farrington , Thomas Pierre Schrans , Chiang Yeh
IPC分类号： H04L7/00 , H04L1/00 , H04L5/00 , H04L25/03 , H04L12/26 , H04J3/06 , H04Q11/00 , H04L12/70
CPC分类号： H04L7/0037 , H04J3/0682 , H04L1/0057 , H04L5/0048 , H04L25/03273 , H04L43/0852 , H04L2012/5679 , H04Q11/0005
摘要： A system and method for measuring propagation delays and other delays in an optical switching system. A transmitter is connected, through a circuit switch, to a receiver. To measure the propagation delay between the transmitter and the receiver, the transmitter sends one or more time-tagged ranging messages and the receiver calculates a propagation delay from the difference between the time of receipt and the time of transmission. In another embodiment, a time delay between message transmission and transition of a CDR of the receiver to a fast acquisition mode is adjusted, by trial and error, to find a range of such time delays for which transmission is successful. A time delay between the transmitter and the switch is measured by establishing or breaking the connection and determining, for various tentative time delay values, whether transmission succeeds.

4. 发明申请

US20170279591A1 SYNCHRONIZATION AND RANGING IN A SWITCHING SYSTEM 有权
公开(公告)号：US20170279591A1
公开(公告)日：2017-09-28
申请号：US15466737
申请日：2017-03-22
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Guy Regev , Daniel Brunina , Nathan Farrington , Thomas Pierre Schrans , Chiang Yeh
IPC分类号： H04L7/00 , H04L5/00 , H04L1/00 , H04L25/03
CPC分类号： H04L7/0037 , H04J3/0682 , H04L1/0057 , H04L5/0048 , H04L25/03273 , H04L43/0852 , H04L2012/5679 , H04Q11/0005
摘要： A system and method for measuring propagation delays and other delays in an optical switching system. A transmitter is connected, through a circuit switch, to a receiver. To measure the propagation delay between the transmitter and the receiver, the transmitter sends one or more time-tagged ranging messages and the receiver calculates a propagation delay from the difference between the time of receipt and the time of transmission. In another embodiment, a time delay between message transmission and transition of a CDR of the receiver to a fast acquisition mode is adjusted, by trial and error, to find a range of such time delays for which transmission is successful. A time delay between the transmitter and the switch is measured by establishing or breaking the connection and determining, for various tentative time delay values, whether transmission succeeds.

5. 发明授权

US10678599B2 Hardware efficient system and method for load balancing using a random number 有权
公开(公告)号：US10678599B2
公开(公告)日：2020-06-09
申请号：US15692875
申请日：2017-08-31
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Bhaskar Chowdhuri , Chiang Yeh , Cyriel Johan Agnes Minkenberg , Guy Regev
IPC分类号： G06F9/50 , G06F7/58
摘要： A system and method for selecting a resource from among a plurality of resources. A total range of numbers is divided into a plurality of sub-ranges, each associated with a respective one of the resources. An indexing number, e.g., a random number, is generated and, when it falls within the total range of numbers, the resource associated with the sub-range into which the indexing number falls is selected. When the indexing number falls outside of the total range, a resource associated with the difference between the indexing number and the greatest number in the total range is selected.

6. 发明授权

US10084570B2 System and method for line coding 有权
公开(公告)号：US10084570B2
公开(公告)日：2018-09-25
申请号：US15425999
申请日：2017-02-06
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Guy Regev , Daniel Brunina , Nathan Farrington , Thomas Pierre Schrans
IPC分类号： H04B1/38 , H04L27/00 , H04B1/66 , H04L1/00 , G11B20/14 , H03M5/14 , H04L25/49
CPC分类号： H04L1/0058 , G11B20/1426 , G11B2020/1457 , H03M5/145 , H03M7/46 , H03M7/48 , H04L1/0041 , H04L1/0042 , H04L25/4915
摘要： A system and method for line coding of data. A serial transmitter includes a forward error correction encoding circuit followed by a bit conditioning circuit. The bit conditioning circuit counts the lengths of runs of consecutive identical digits and, when the count reaches a threshold, flips a bit. A serial receiver receives the data from the serial transmitter. The serial receiver includes a forward error correction decoding circuit, which re-flips bits flipped by the bit conditioning circuit of the serial transmitter.

7. 发明申请

US20170230143A1 SYSTEM AND METHOD FOR LINE CODING 审中-公开
公开(公告)号：US20170230143A1
公开(公告)日：2017-08-10
申请号：US15425999
申请日：2017-02-06
申请人： ROCKLEY PHOTONICS LIMITED
发明人： Guy Regev , Daniel Brunina , Nathan Farrington , Thomas Pierre Schrans
IPC分类号： H04L1/00
CPC分类号： H04L1/0058 , G11B20/1426 , G11B2020/1457 , H03M5/145 , H03M7/46 , H03M7/48 , H04L1/0041 , H04L1/0042 , H04L25/4915
摘要： A system and method for line coding of data. A serial transmitter includes a forward error correction encoding circuit followed by a bit conditioning circuit. The bit conditioning circuit counts the lengths of runs of consecutive identical digits and, when the count reaches a threshold, flips a bit. A serial receiver receives the data from the serial transmitter. The serial receiver includes a forward error correction decoding circuit, which re-flips bits flipped by the bit conditioning circuit of the serial transmitter.

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