A wide pull-in range fast acquisition hardware-sharing two-fold carrier recovery loop

C. C. Chang; C. C. Lin; M. T. Shiue; C. K. Wang

A wide pull-in range fast acquisition hardware-sharing two-fold carrier recovery loop

C. C. Chang, C. C. Lin, M. T. Shiue, C. K. Wang

Department of Electrical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

This paper proposes a two-fold carrier recovery loop that possesses ±25000-ppm pull-in range and 7-ms acquisition time for 64-QAM blind adaptive system. The carrier recovery system contains a prior wide-band loop to acquire a coarse carrier frequency and a posterior narrow-band loop to achieve -82dBc jitter suppression. It can be applied to a 4.035-MHz low-IF cable modem system with the ±100-kHz frequency offset tolerance requirement. The two-fold carrier recovery loop operates in consecutive three stages, which are Costas carrier phase estimation, DDML carrier phase estimation, and DD-MMSE carrier phase estimation. The proposed architecture is hardware efficient since the three-staged operation shares most of the circuit functions.

Original language	English
Pages (from-to)	IV358-IV361
Journal	Materials Research Society Symposium - Proceedings
Volume	626
State	Published - 2001
Event	Thermoelectric Materials 2000-The Next Generation Materials for Small-Scale Refrigeration and Power Generation Applications - San Francisco, CA, United States Duration: 24 Apr 2000 → 27 Apr 2000

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title = "A wide pull-in range fast acquisition hardware-sharing two-fold carrier recovery loop",

abstract = "This paper proposes a two-fold carrier recovery loop that possesses ±25000-ppm pull-in range and 7-ms acquisition time for 64-QAM blind adaptive system. The carrier recovery system contains a prior wide-band loop to acquire a coarse carrier frequency and a posterior narrow-band loop to achieve -82dBc jitter suppression. It can be applied to a 4.035-MHz low-IF cable modem system with the ±100-kHz frequency offset tolerance requirement. The two-fold carrier recovery loop operates in consecutive three stages, which are Costas carrier phase estimation, DDML carrier phase estimation, and DD-MMSE carrier phase estimation. The proposed architecture is hardware efficient since the three-staged operation shares most of the circuit functions.",

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T1 - A wide pull-in range fast acquisition hardware-sharing two-fold carrier recovery loop

AU - Chang, C. C.

AU - Lin, C. C.

AU - Shiue, M. T.

AU - Wang, C. K.

PY - 2001

Y1 - 2001

N2 - This paper proposes a two-fold carrier recovery loop that possesses ±25000-ppm pull-in range and 7-ms acquisition time for 64-QAM blind adaptive system. The carrier recovery system contains a prior wide-band loop to acquire a coarse carrier frequency and a posterior narrow-band loop to achieve -82dBc jitter suppression. It can be applied to a 4.035-MHz low-IF cable modem system with the ±100-kHz frequency offset tolerance requirement. The two-fold carrier recovery loop operates in consecutive three stages, which are Costas carrier phase estimation, DDML carrier phase estimation, and DD-MMSE carrier phase estimation. The proposed architecture is hardware efficient since the three-staged operation shares most of the circuit functions.

AB - This paper proposes a two-fold carrier recovery loop that possesses ±25000-ppm pull-in range and 7-ms acquisition time for 64-QAM blind adaptive system. The carrier recovery system contains a prior wide-band loop to acquire a coarse carrier frequency and a posterior narrow-band loop to achieve -82dBc jitter suppression. It can be applied to a 4.035-MHz low-IF cable modem system with the ±100-kHz frequency offset tolerance requirement. The two-fold carrier recovery loop operates in consecutive three stages, which are Costas carrier phase estimation, DDML carrier phase estimation, and DD-MMSE carrier phase estimation. The proposed architecture is hardware efficient since the three-staged operation shares most of the circuit functions.

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M3 - 會議論文

AN - SCOPUS:0035030897

SN - 0272-9172

VL - 626

SP - IV358-IV361

JO - Materials Research Society Symposium - Proceedings

JF - Materials Research Society Symposium - Proceedings

T2 - Thermoelectric Materials 2000-The Next Generation Materials for Small-Scale Refrigeration and Power Generation Applications

Y2 - 24 April 2000 through 27 April 2000

ER -

A wide pull-in range fast acquisition hardware-sharing two-fold carrier recovery loop

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