A long reach digital subscriber loop transceiver

Adams, Peter F.; Cox, S. A.; Carpenter, R.B.P.; Cole, N.G.

doi:10.1007/s10550-007-0064-y

Cited by 15 publications

(4 citation statements)

References 8 publications

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“…Good agreement was obtained [6]. The same transceiver models were used in 1986 a t BTRL to assess the potential coverage of the US loop population.…”

Section: The Genesis Of 2blqmentioning

confidence: 85%

“…An in depth study was started of a particular 2B1Q transceiver [6] which resulted in excellent performance from a potentially low complexity VLSI circuit design. The transceiver used a DFE with no pre-cursor equalizer and I-D high-pass filter to considerably reduce adaptive filter complexity.…”

Section: The Genesis Of 2blqmentioning

confidence: 99%

“…Parametric evaluations [6] and die size estimates [9] both suggested that 2B1Q led to smaller die size and hence lower cost. Therefore, in August 1986, TlD1.3 chose 2B1Q and then started to consider the mass of detailed specification required to define the interface.…”

Section: Also Presented Inmentioning

confidence: 99%

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The 2B1Q line code for the local loop: genesis and transceiver implementation

Adams

Cox

ISSLS 88., International Symposium on Subscriber Loops and Services

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The genesis of the 2B1Q line code for ISDN basic rate access over metallic pair local loops is described. The reasons why 2B1Q was chosen for the emerging American National Standards Institute (ANSI) interface standard are outlined and the impact of the standard specification on transmission performance and the implementation complexity of transceivers is discussed. 2B1Q provides excellent performance with potentially low complexity of implementation.

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“…Good agreement was obtained [6]. The same transceiver models were used in 1986 a t BTRL to assess the potential coverage of the US loop population.…”

Section: The Genesis Of 2blqmentioning

confidence: 85%

Section: The Genesis Of 2blqmentioning

confidence: 99%

See 1 more Smart Citation

The 2B1Q line code for the local loop: genesis and transceiver implementation

Adams

Cox

ISSLS 88., International Symposium on Subscriber Loops and Services

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“…The echo tail of case (c) can be suppressed approximately 20 dB. Case (e) shows the echo response when the ( I -D ) f i l t e r i s modified to (1-e-RTIL D) based on method (2). The echo tail suppression can also be performed in this case.…”

Section: Echo Tail Suppressionmentioning

confidence: 98%

Design techniques and performance of an LSI-based 2B1Q transceiver

Arai

Yamaguchi

Nakagawa

et al.

IEEE Global Telecommunications Conference and Exhibition. Communications for the Information Age

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This paper focuses on a 2BlQ transceiver system which is selected a s the standard of an ISDN loop transmission system in the United S t a t e s of America. We have developed an LSI-based 2B1 Q transceiver. Some of design techniques and performance of the transceiver are covered in this paper. Techniques such a s echo tail suppression, receiver design to configure stable Decision Feedback Equalizer (DFE) operation a n d t o improve NEXT performance, and accurate analog front end circuit are discussed. Experimental results show t h a t satisfactory performance is obtained using the developed transceivers.

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Minimum mean-squared error decision-feedback equalization for digital subscriber line transmission with possibly correlated line codes

Lin

1991

IEEE Trans. Commun.

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A long reach digital subscriber loop transceiver

Cited by 15 publications

References 8 publications

The 2B1Q line code for the local loop: genesis and transceiver implementation

The 2B1Q line code for the local loop: genesis and transceiver implementation

Design techniques and performance of an LSI-based 2B1Q transceiver

Minimum mean-squared error decision-feedback equalization for digital subscriber line transmission with possibly correlated line codes

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