TY - GEN
T1 - Reconfigurable receiver with >20MHz bandwidth self-interference cancellation suitable for FDD, co-existence and full-duplex applications
AU - Zhou, Jin
AU - Chuang, Tsung Hao
AU - Dinc, Tolga
AU - Krishnaswamy, Harish
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/3/17
Y1 - 2015/3/17
N2 - Multiband FDD operation requires numerous off-chip duplexers, which limit form factor. Widely-tunable low-noise RF active self-interference cancellation (SIC) (e.g. [1]) is a step towards enabling duplexers with reduced TX/RX isolation as well as adjacent-channel full duplex. However, SIC bandwidth (BW) is limited to a few MHz due to the selectivity of the high-Q duplexer isolation. Recent works suggest that same-channel full duplex (SC-FD) can greatly improve network performance [2-4]. SIC must be pursued in RF, analog/mixed-signal and digital for SC-FD to achieve the >100dB of SIC required, as filtering the SI is not an option. However, SC-FD self-interference channels can be frequency-selective due to ambient reflections [3], requiring silicon-averse bulky delay lines to replicate the delays in the RF SIC path [2].
AB - Multiband FDD operation requires numerous off-chip duplexers, which limit form factor. Widely-tunable low-noise RF active self-interference cancellation (SIC) (e.g. [1]) is a step towards enabling duplexers with reduced TX/RX isolation as well as adjacent-channel full duplex. However, SIC bandwidth (BW) is limited to a few MHz due to the selectivity of the high-Q duplexer isolation. Recent works suggest that same-channel full duplex (SC-FD) can greatly improve network performance [2-4]. SIC must be pursued in RF, analog/mixed-signal and digital for SC-FD to achieve the >100dB of SIC required, as filtering the SI is not an option. However, SC-FD self-interference channels can be frequency-selective due to ambient reflections [3], requiring silicon-averse bulky delay lines to replicate the delays in the RF SIC path [2].
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U2 - 10.1109/ISSCC.2015.7063066
DO - 10.1109/ISSCC.2015.7063066
M3 - Conference contribution
AN - SCOPUS:84940771059
T3 - Digest of Technical Papers - IEEE International Solid-State Circuits Conference
SP - 342
EP - 343
BT - 2015 IEEE International Solid-State Circuits Conference, ISSCC 2015 - Digest of Technical Papers
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2015 62nd IEEE International Solid-State Circuits Conference, ISSCC 2015 - Digest of Technical Papers
Y2 - 22 February 2015 through 26 February 2015
ER -