Method and system for providing window shaping for multiline transmission in a communications system
AssigneeTokyo Electron Limited
InventorsMichail Tsatsanis, Ioannis Kanellakopoulos, Mark Erickson, Johan Overby
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Abstract
A method and system for providing window shaping for multiline transmission in a communications system are described. A last portion of a prefix symbol is extracted. A prefix with a prefix window is shaped to create a shaped prefix. A DMT symbol is shaped with a DMT window to create a shaped DMT symbol. The shaped DMT symbol is combined with the shaped prefix.
Claims44
A method, comprising:
- designing a TEQ (Time EQualizer) in a DMT (Discrete Multi-Tone) system to improve throughput performance;
- and
- reducing the number and severity of notches that the TEQ introduces in a transfer function of a shortened main channel in the DMT system.
A system, comprising:
- means for designing a TEQ (Time EQualizer) in a DMT (Discrete Multi-Tone) system to improve throughput performance;
- and
- means for reducing the number and severity of notches that the TEQ introduces in a transfer function of a shortened main channel in the DMT system.
A computer readable medium, having stored thereon computer-readable instructions, which when executed in a computer system, cause the computer system to:
- design a TEQ (Time EQualizer) in a DMT (Discrete Multi-Tone) system to improve throughput performance;
- and
- reduce the number and severity of notches that the TEQ introduces in a transfer function of a shortened main channel in the DMT system.
A method of processing a received DMT symbol that is preceded by a prefix and does not include a suffix, the method comprising:
- extracting a last portion of a prefix symbol;
- shaping a prefix with a prefix window to create a shaped prefix;
- shaping a DMT symbol that does not include a suffix with a DMT window to create a shaped DMT symbol;
- and
- combining the shaped DMT symbol and the shaped prefix.
A method of processing a received DMT symbol that has not been windowed for transmission, the method comprising:
- extracting a last portion of a prefix symbol;
- shaping a prefix with a prefix window to create a shaped prefix;
- shaping a DMT symbol that has not been windowed for transmission with a DMT window to create a shaped DMT symbol;
- and
- combining the shaped DMT symbol and the shaped prefix.
Dependencies are inferred from the claim text.