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On the design of full duplex wireless system with chaotic sequences
1. | School of Electronics Engineering and Computer Science, Peking University, Beijing, China |
2. | Department of Computer Science, Yale University, New Haven, CT, USA |
This paper proposes a novel approach for full duplex using chaotic sequences which is known as the asynchronous code-division duplex (Async-CDD) system. The Async-CDD system can transmit and receive signals at the same time and in the same frequency channel without time slot synchronization. The data rate of the Async-CDD system is 8 times higher than the conventional CDD system and is the same as a non-spreading system. The property of low block cross-correlation of the chaotic sequence allows the Async-CDD system achieve duplex interference suppression at any duplex delay. And the huge number of available code words/blocks of the chaotic sequence allows the Async-CDD system increase the data rate by increasing the number of multiplexed sub-channels. When both of the code length of the orthogonal chaotic code and the number of multiplexed sub-channels are 128, the orthogonal chaotic code provides 30.40 dBc self-interference suppression in average, which is 6.99 dB better than the orthogonal Gold code.
References:
[1] |
A. L. A. Aboltins, Selection and performance analysis of chaotic spreading sequences for
DS-CDMA systems, in Advances in Wireless and Optical Communications (RTUWO), 2016,
38–45. |
[2] |
E. Ahmed and A. M. Eltawil,
All-digital self-interference cancellation technique for full-duplex systems, IEEE Transactions on Wireless Communications, 14 (2015), 3519-3532.
|
[3] |
M. Duarte, C. Dick and A. Sabharwal,
Experiment-driven characterization of full-duplex wireless systems, IEEE Transactions on Wireless Communications, 11 (2012), 4296-4307.
|
[4] |
M. Duarte, A. Sabharwal, V. Aggarwal, R. Jana, K. K. Ramakrishnan, C. W. Rice and N. K. Shankaranarayanan,
Design and characterization of a full-duplex multiantenna system for WiFi
networks, IEEE Transactions on Vehicular Technology, 63 (2014), 1160-1177.
|
[5] |
E. Everett, A. Sahai and A. Sabharwal,
Passive self-interference suppression for full-duplex infrastructure nodes, IEEE Transactions on Wireless Communications, 13 (2014), 680-694.
|
[6] |
Y. Hua, Y. Ma, A. Gholian, Y. Li, A. C. Cirik and P. Liang,
Radio self-interference cancellation by transmit beamforming, all-analog cancellation and blind digital tuning, Signal Processing, 108 (2015), 322-340.
|
[7] |
F. Jian and S. Dandan,
Complex Network Theory and Its Application Research on P2P
Networks, Applied Mathematics and Nonlinear Sciences, 1 (2016), 45-52.
|
[8] |
B. Jiao, M. Wen, M. Ma and H. V. Poor,
Spatial modulated full duplex, IEEE Wireless Communications Letters, 3 (2014), 641-644.
|
[9] |
X. Jin, M. Ma, B. Jiao and W. C. Y. Lee, Studies on spectral efficiency of the cdd system, in
Vehicular Technology Conference Fall, 2009, 1–5. |
[10] |
A. S. B. T. Krishna, Generation of biphase sequences using different logistic maps, in International Conference on Communication and Signal Processing (ICCSP), 2016, 2102–2104. |
[11] |
P. Kumar and S. Chakrabarti, A new overloading scheme for cellular DS-CDMA using orthogonal Gold codes, in Vehicular Technology Conference (VTC), 2008, 1042–1046. |
[12] |
W. C. Y. Lee, The most spectrum-efficient duplexing system: CDD, IEEE Communications
Magazine, 40 (2002), 163–166. |
[13] |
A. Murua and J. Sanz-Serna,
Vibrational resonance: a study with high-order word-series averaging, Applied Mathematics and Nonlinear Sciences, 1 (2016), 239-246.
|
[14] |
M. Pal and S. Chattopadhyay, A novel orthogonal minimum cross-correlation spreading code
in CDMA system, in International Conference on Emerging Trends in Robotics and Communication Technologies, 2010, 80–84. |
[15] |
J. S. Pereira and H. J. A. D. Silva, M-ary mutually orthogonal complementary gold codes, in
Signal Processing Conference, 2009 European, 2009, 1636–1640. |
[16] |
J. G. Proakis,
Digital Communications Fourth Edition, McGraw-Hill Companies, Inc., New York, NY, 1998. |
[17] |
S. Shao, X. Quan, Y. Shen and Y. Tang, Effect of phase noise on digital self-interference
cancellation in wireless full duplex, 2759–2763. |
[18] |
Y. Shen, J. Zhou and Y. Tang,
Digital self-interference cancellation in wireless co-time and co-frequency full-duplex system, Wireless Personal Communications, 82 (2015), 2557-2565.
|
[19] |
X. H. Tang, P. Z. Fan and S. Matsufuji,
Lower bounds on correlation of spreading sequence set with low or zero correlation zone, Electronics Letters, 36 (2002), 551-552.
|
show all references
References:
[1] |
A. L. A. Aboltins, Selection and performance analysis of chaotic spreading sequences for
DS-CDMA systems, in Advances in Wireless and Optical Communications (RTUWO), 2016,
38–45. |
[2] |
E. Ahmed and A. M. Eltawil,
All-digital self-interference cancellation technique for full-duplex systems, IEEE Transactions on Wireless Communications, 14 (2015), 3519-3532.
|
[3] |
M. Duarte, C. Dick and A. Sabharwal,
Experiment-driven characterization of full-duplex wireless systems, IEEE Transactions on Wireless Communications, 11 (2012), 4296-4307.
|
[4] |
M. Duarte, A. Sabharwal, V. Aggarwal, R. Jana, K. K. Ramakrishnan, C. W. Rice and N. K. Shankaranarayanan,
Design and characterization of a full-duplex multiantenna system for WiFi
networks, IEEE Transactions on Vehicular Technology, 63 (2014), 1160-1177.
|
[5] |
E. Everett, A. Sahai and A. Sabharwal,
Passive self-interference suppression for full-duplex infrastructure nodes, IEEE Transactions on Wireless Communications, 13 (2014), 680-694.
|
[6] |
Y. Hua, Y. Ma, A. Gholian, Y. Li, A. C. Cirik and P. Liang,
Radio self-interference cancellation by transmit beamforming, all-analog cancellation and blind digital tuning, Signal Processing, 108 (2015), 322-340.
|
[7] |
F. Jian and S. Dandan,
Complex Network Theory and Its Application Research on P2P
Networks, Applied Mathematics and Nonlinear Sciences, 1 (2016), 45-52.
|
[8] |
B. Jiao, M. Wen, M. Ma and H. V. Poor,
Spatial modulated full duplex, IEEE Wireless Communications Letters, 3 (2014), 641-644.
|
[9] |
X. Jin, M. Ma, B. Jiao and W. C. Y. Lee, Studies on spectral efficiency of the cdd system, in
Vehicular Technology Conference Fall, 2009, 1–5. |
[10] |
A. S. B. T. Krishna, Generation of biphase sequences using different logistic maps, in International Conference on Communication and Signal Processing (ICCSP), 2016, 2102–2104. |
[11] |
P. Kumar and S. Chakrabarti, A new overloading scheme for cellular DS-CDMA using orthogonal Gold codes, in Vehicular Technology Conference (VTC), 2008, 1042–1046. |
[12] |
W. C. Y. Lee, The most spectrum-efficient duplexing system: CDD, IEEE Communications
Magazine, 40 (2002), 163–166. |
[13] |
A. Murua and J. Sanz-Serna,
Vibrational resonance: a study with high-order word-series averaging, Applied Mathematics and Nonlinear Sciences, 1 (2016), 239-246.
|
[14] |
M. Pal and S. Chattopadhyay, A novel orthogonal minimum cross-correlation spreading code
in CDMA system, in International Conference on Emerging Trends in Robotics and Communication Technologies, 2010, 80–84. |
[15] |
J. S. Pereira and H. J. A. D. Silva, M-ary mutually orthogonal complementary gold codes, in
Signal Processing Conference, 2009 European, 2009, 1636–1640. |
[16] |
J. G. Proakis,
Digital Communications Fourth Edition, McGraw-Hill Companies, Inc., New York, NY, 1998. |
[17] |
S. Shao, X. Quan, Y. Shen and Y. Tang, Effect of phase noise on digital self-interference
cancellation in wireless full duplex, 2759–2763. |
[18] |
Y. Shen, J. Zhou and Y. Tang,
Digital self-interference cancellation in wireless co-time and co-frequency full-duplex system, Wireless Personal Communications, 82 (2015), 2557-2565.
|
[19] |
X. H. Tang, P. Z. Fan and S. Matsufuji,
Lower bounds on correlation of spreading sequence set with low or zero correlation zone, Electronics Letters, 36 (2002), 551-552.
|



Code Type | | | | |
OG | 128 | 128 | 23.28 | 18.99 |
512 | 512 | 29.80 | 27.21 | |
1024 | 1024 | 32.68 | 31.18 | |
OC | 128 | 128 | 33.79 | 24.69 |
256 | 256 | 37.11 | 26.35 | |
512 | 512 | 39.77 | 26.95 | |
1024 | 1024 | 42.65 | 25.29 |
Code Type | | | | |
OG | 128 | 128 | 23.28 | 18.99 |
512 | 512 | 29.80 | 27.21 | |
1024 | 1024 | 32.68 | 31.18 | |
OC | 128 | 128 | 33.79 | 24.69 |
256 | 256 | 37.11 | 26.35 | |
512 | 512 | 39.77 | 26.95 | |
1024 | 1024 | 42.65 | 25.29 |
Max. | | |||
CDD | 128+8 | 8 | 16 | 16 |
Async-CDD with OG code | 128 | - | 128 | 16 |
Async-CDD with OC code | 128 | - | 128 | 16 |
Max. | | |||
CDD | 128+8 | 8 | 16 | 16 |
Async-CDD with OG code | 128 | - | 128 | 16 |
Async-CDD with OC code | 128 | - | 128 | 16 |
The number of | The number of | The number of | |||
CDD with | 16 | 128 | 0 | 168 | 256 |
ZCZ code | |||||
Async-CDD | 16 | 128 | 225 | 256 | 256 |
with OG code | |||||
Async-CDD | 16 | 128 | 0 | 10 | 33 |
with OC code |
The number of | The number of | The number of | |||
CDD with | 16 | 128 | 0 | 168 | 256 |
ZCZ code | |||||
Async-CDD | 16 | 128 | 225 | 256 | 256 |
with OG code | |||||
Async-CDD | 16 | 128 | 0 | 10 | 33 |
with OC code |
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