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Research Output

  • 308 Citations
  • 9 h-Index
  • 35 Conference contribution
  • 18 Article
  • 1 Book
  • 1 Chapter
2020

Generalized Path-Permutation Codes for Reliable End-to-End Networking of Opportunistic Links

Lai, I. W., Shih, J. W., Chen, K. C. & Biglieri, E., 2020 Jul, In : IEEE Transactions on Wireless Communications. 19, 7, p. 4579-4593 15 p., 9070172.

Research output: Contribution to journalArticle

2019

Adaptive MIMO detector using reduced search space and its error rate estimator in ultra dense network

Lai, I. W., Wang, J. M., Shih, J. W. & Chiueh, T. D., 2019 Jan 1, In : IEEE Access. 7, p. 6774-6781 8 p., 8590707.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

A Double K-best Viterbi-sphere Decoder for Trellis-coded Generalized Spatial Modulation with Multiple Code Rates

Wang, Z. Y., Tsai, P. Y., Huang, Y. H. & Lai, I. W., 2019 May, 2019 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1547-1551 5 p. 8683740. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Improving the Capacity of a Mesh LoRa Network by Spreading-Factor-Based Network Clustering

Zhu, G., Liao, C. H., Sakdejayont, T., Lai, I. W., Narusue, Y. & Morikawa, H., 2019 Jan 1, In : IEEE Access. 7, p. 21584-21596 13 p., 8637935.

Research output: Contribution to journalArticle

Open Access
15 Citations (Scopus)

Low-Complexity Maximum Likelihood (ML) Decoder for Space-Time Block Coded Spatial Permutation Modulation (STBC-SPM)

Tu, H. H., Lee, C. W. & Lai, I. W., 2019 Dec, Proceedings - 2019 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2019. Institute of Electrical and Electronics Engineers Inc., 8986394. (Proceedings - 2019 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mapping and Permutation Set Design for Spatial Permutation Modulation (SPM)

Lee, C. W., Tu, H. H. & Lai, I. W., 2019 Dec, Proceedings - 2019 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2019. Institute of Electrical and Electronics Engineers Inc., 8986289. (Proceedings - 2019 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spatial Permutation Modulation for Multiple-Input Multiple-Output (MIMO) Systems

Lai, I. W., Shih, J. W., Lee, C. W., Tu, H. H., Chi, J. C., Wu, J. S. & Huang, Y. H., 2019 Jan 1, In : IEEE Access. 7, p. 68206-68218 13 p., 8721630.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)
2018

Beamforming duality and algorithms for weighted sum rate maximization in cognitive radio networks

Wei Lai, I., Zheng, L., Lee, C. H. & Tan, C. W., 2018 Jan 1, Cognitive Radio Networks: Performance, Applications and Technology. Nova Science Publisher Inc., p. 153-183 31 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Cross-layer selective routing for cost and delay minimization in IEEE 802.11ac wireless mesh network

Lai, I. W., Funabiki, N., Tajima, S., Al Mamun, M. S. & Fujita, S., 2018 Aug 1, In : Wireless Networks. 24, 6, p. 2191-2203 13 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Design of an web-based interactive quantitative (IQ) curriculum map

Liao, T. H., Lai, I. W. & Chin, K. S., 2018 Jan 8, Proceedings of 2017 IEEE International Conference on Teaching, Assessment and Learning for Engineering, TALE 2017. Institute of Electrical and Electronics Engineers Inc., p. 143-146 4 p. (Proceedings of 2017 IEEE International Conference on Teaching, Assessment and Learning for Engineering, TALE 2017; vol. 2018-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Theoretical performance analysis assisted by machine learning for spatial permutation modulation (SPM) in slow-fading channels

Shih, J. W., Chi, J. C., Huang, Y. H., Tsai, P. Y. & Lai, I. W., 2018 Jul 27, 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8422471. (IEEE International Conference on Communications; vol. 2018-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Trellis coded generalized spatial modulation with spatial multiplexing

Long, S. S., Tsai, P. Y., Huang, Y. H. & Lai, I. W., 2018 Feb 5, Proceedings - 9th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2017. Institute of Electrical and Electronics Engineers Inc., p. 832-837 6 p. (Proceedings - 9th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2017; vol. 2018-February).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
2017

Resilient large-scale cognitive radio ad hoc networking using path-time codes

Chen, Y. C., Lai, I. W. & Chen, K. C., 2017 Jul 28, 2017 IEEE International Conference on Communications, ICC 2017. Debbah, M., Gesbert, D. & Mellouk, A. (eds.). Institute of Electrical and Electronics Engineers Inc., 7996413. (IEEE International Conference on Communications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sphere decoding for spatial permutation modulation MIMO systems

Chi, J. C., Yeh, Y. C., Lai, I. W. & Huang, Y. H., 2017 Jul 28, 2017 IEEE International Conference on Communications, ICC 2017. Debbah, M., Gesbert, D. & Mellouk, A. (eds.). Institute of Electrical and Electronics Engineers Inc., 7997167. (IEEE International Conference on Communications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)
2016

Active Access-Point Configuration Algorithm with Dynamic Mobile Router Placement for Elastic WLAN System

Mamun, M. S. A., Islam, M. E., Funabiki, N. & Lai, I. W., 2016 Mar 2, Proceedings - 2015 3rd International Symposium on Computing and Networking, CANDAR 2015. Institute of Electrical and Electronics Engineers Inc., p. 246-252 7 p. 7424718. (Proceedings - 2015 3rd International Symposium on Computing and Networking, CANDAR 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Adaptive MIMO Detector for Spatial Modulation

Lai, I. W., Chen, H. W. & Huang, Y. H., 2016 Mar 2, Proceedings - 2015 3rd International Symposium on Computing and Networking, CANDAR 2015. Institute of Electrical and Electronics Engineers Inc., p. 234-239 6 p. 7424716. (Proceedings - 2015 3rd International Symposium on Computing and Networking, CANDAR 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Edventure: Gamification for collaborative problem design and solving

Wang, C. H., Hsu, Y. C., Yeh, P. C., Lin, C. Y. & Lai, I. W., 2016 Nov 28, 2016 15th International Conference on Information Technology Based Higher Education and Training, ITHET 2016. Institute of Electrical and Electronics Engineers Inc., 7760719. (2016 15th International Conference on Information Technology Based Higher Education and Training, ITHET 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Offline answering function for fill-in-blank problems in Java Programming Learning Assistant System

Funabiki, N., Masaoka, H., Ishihara, N., Lai, I. W. & Kao, W. C., 2016 Jul 25, 2016 IEEE International Conference on Consumer Electronics-Taiwan, ICCE-TW 2016. Institute of Electrical and Electronics Engineers Inc., 7521045. (2016 IEEE International Conference on Consumer Electronics-Taiwan, ICCE-TW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Open-loop end-to-end transmission for multihop opportunistic networks with energy-harvesting devices

Lai, I. W., Lee, C. H., Chen, K. C. & Biglieri, E., 2016 Jul, In : IEEE Transactions on Communications. 64, 7, p. 2860-2872 13 p., 7482759.

Research output: Contribution to journalArticle

5 Citations (Scopus)

The impact of independence assumptions on wireless communication analysis

Biglieri, E. & Lai, I. W., 2016 Aug 10, Proceedings - ISIT 2016; 2016 IEEE International Symposium on Information Theory. Institute of Electrical and Electronics Engineers Inc., p. 2184-2188 5 p. 7541686. (IEEE International Symposium on Information Theory - Proceedings; vol. 2016-August).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Throughput measurements for access-point installation optimization in IEEE802.11n wireless networks

Funabiki, N., Lwin, K. S., Kuribayashi, M. & Lai, I. W., 2016 Jul 25, 2016 IEEE International Conference on Consumer Electronics-Taiwan, ICCE-TW 2016. Institute of Electrical and Electronics Engineers Inc., 7520994. (2016 IEEE International Conference on Consumer Electronics-Taiwan, ICCE-TW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

數感閱讀

賴以威, 2016, In : 全國新書資訊月刊. 11, 210, p. 9-12 4 p.

Research output: Contribution to journalArticle

2015

Beamforming duality and algorithms for weighted sum rate maximization in cognitive radio networks

Lai, I. W., Zheng, L., Lee, C. H. & Tan, C. W., 2015 May 1, In : IEEE Journal on Selected Areas in Communications. 33, 5, p. 832-847 16 p., 6913500.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Channel-aware local search (CA-LS) for iterative MIMO detection

Lai, I. W., Lee, C. H., Ascheid, G., Meyr, H. & Chiueh, T. D., 2015 Dec 1, 2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2015. Institute of Electrical and Electronics Engineers Inc., p. 731-736 6 p. 7343394. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC; vol. 2015-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Cross-layer selective routing for active access-point minimization in wireless mesh network

Lai, I. W., Kao, W. C. & Funabiki, N., 2015 Aug 20, 2015 IEEE International Conference on Consumer Electronics - Taiwan, ICCE-TW 2015. Institute of Electrical and Electronics Engineers Inc., p. 482-483 2 p. 7217010. (2015 IEEE International Conference on Consumer Electronics - Taiwan, ICCE-TW 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Distributed energy cooperation for energy harvesting nodes using reinforcement learning

Lin, W. T., Lai, I. W. & Lee, C. H., 2015 Dec 1, 2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2015. Institute of Electrical and Electronics Engineers Inc., p. 1584-1588 5 p. 7343551. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC; vol. 2015-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Path-permutation codes for end-to-end transmission in ad hoc cognitive radio networks

Lai, I. W., Lee, C. H., Chen, K. C. & Biglieri, E., 2015 Jun 1, In : IEEE Transactions on Wireless Communications. 14, 6, p. 3309-3321 13 p., 7042304.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Power control and beamforming design for receivers with inter-cell interference cancellation in heterogeneous networks

Lan, Y. Y., Chiang, W. H., Lai, I. W. & Chiueh, T. D., 2015 Dec 2, 2015 24th Wireless and Optical Communication Conference, WOCC 2015. Institute of Electrical and Electronics Engineers Inc., p. 58-62 5 p. 7346177. (2015 24th Wireless and Optical Communication Conference, WOCC 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2014

Efficient sequential integer CFO and sector identity detection for LTE cell search

Chu, C. Y., Lai, I. W., Lan, Y. Y. & Chiueh, T. D., 2014 Aug, In : IEEE Wireless Communications Letters. 3, 4, p. 389-392 4 p., 6807686.

Research output: Contribution to journalArticle

15 Citations (Scopus)

End-to-end virtual MIMO transmission in ad hoc cognitive radio networks

Lai, I. W., Chen, C. L., Lee, C. H., Chen, K. C. & Biglieri, E., 2014 Jan 1, In : IEEE Transactions on Wireless Communications. 13, 1, p. 330-341 12 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Low-complexity decoding for RaptorQ codes using a recursive matrix inversion formula

Lu, Y. P., Lai, I. W., Lee, C. H. & Chiueh, T. D., 2014 Apr, In : IEEE Wireless Communications Letters. 3, 2, p. 217-220 4 p., 6733534.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Performance of path-time codes for end-to-end transmission in ad hoc multihop networks

Lai, I. W., Lee, C. H., Chen, K. C. & Biglieri, E., 2014 Jan 1, 2014 IEEE International Symposium on Information Theory, ISIT 2014. Institute of Electrical and Electronics Engineers Inc., p. 66-70 5 p. 6874796. (IEEE International Symposium on Information Theory - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Transmission latency and reliability trade-off in path-time coded cognitive radio ad hoc networks

Chen, Y. C., Lai, I. W., Chen, K. C., Chen, W. T. & Lee, C. H., 2014 Feb 9, 2014 IEEE Global Communications Conference, GLOBECOM 2014. Institute of Electrical and Electronics Engineers Inc., p. 1084-1089 6 p. 7036953. (2014 IEEE Global Communications Conference, GLOBECOM 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2013

Active precoder identification for inter-cell interference mitigation in heterogeneous networks

Lan, Y. Y., Lai, I. W., Lee, C. H. & Chiueh, T. D., 2013 Dec 1, 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2013. p. 1222-1226 5 p. 6666325. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

A virtual MIMO path-time code for cognitive ad hoc networks

Lai, I. W., Lee, C. H. & Chen, K. C., 2013 Jan 1, In : IEEE Communications Letters. 17, 1, p. 4-7 4 p., 6362128.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2012

Asymptotic coded BER analysis for MIMO BICM-ID with quantized extrinsic LLR

Lai, I. W., Wang, C. Y., Chiueh, T. D., Ascheid, G. & Meyr, H., 2012 Aug 7, In : IEEE Transactions on Communications. 60, 10, p. 2820-2828 9 p., 6253203.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Baseband Receiver Design for Wireless MIMO-OFDM Communications: Second Edition

Chiueh, T. D., Tsai, P. Y. & Lai, I. W., 2012 May 21, John Wiley and Sons. 346 p.

Research output: Book/ReportBook

66 Citations (Scopus)

Channel-adaptive MIMO detection based on the multiple-choice knapsack problem (MCKP)

Lai, I. W., Lee, C. H., Ascheid, G. & Chiueh, T. D., 2012 Sep 27, In : IEEE Wireless Communications Letters. 1, 6, p. 633-636 4 p., 6308769.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2011

Asymptotic BER analysis for MIMO-BICM with MMSE detection and channel estimation

Lai, I. W., Ascheid, G., Meyr, H. & Chiueh, T. D., 2011 Sep 2, 2011 IEEE International Conference on Communications, ICC 2011. 5963103. (IEEE International Conference on Communications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Efficient channel-adaptive MIMO detection using just-acceptable error rate

Lai, I. W., Ascheid, G., Meyr, H. & Chiueh, T. D., 2011 Jan 1, In : IEEE Transactions on Wireless Communications. 10, 1, p. 73-83 11 p., 5608473.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Tree search space reduction for soft-input soft-output sphere decoding in MIMO systems

Zhang, D., Lai, I. W. & Ascheid, G., 2011 Aug 29, 2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring - Proceedings. 5956186. (IEEE Vehicular Technology Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

BER analysis for MIMO BICM-ID assuming finite precision of extrinsic LLR

Wang, C. Y., Lai, I. W., Chiueh, T. D., Ascheid, G. & Meyr, H., 2010 Dec 1, ISITA/ISSSTA 2010 - 2010 International Symposium on Information Theory and Its Applications. p. 129-134 6 p. 5649415. (ISITA/ISSSTA 2010 - 2010 International Symposium on Information Theory and Its Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Complexity-efficient enumeration techniques for soft-input, soft-output sphere decoding

Nikitopoulos, K., Zhang, D., Lai, I. W. & Ascheid, G., 2010 Apr 1, In : IEEE Communications Letters. 14, 4, p. 312-314 3 p., 5439349.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Informed message update for iterative MIMO demapping and turbo decoding

Zhang, D., Lai, I. W., Nikitopoulos, K. & Ascheid, G., 2010 Dec 1, ISITA/ISSSTA 2010 - 2010 International Symposium on Information Theory and Its Applications. p. 873-878 6 p. 5649576. (ISITA/ISSSTA 2010 - 2010 International Symposium on Information Theory and Its Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Iterative channel estimation control for MIMO-OFDM systems

Zhang, D., Nikitopoulos, K., Lai, I. W., Ascheid, G. & Meyr, H., 2010 Jun 24, 2010 44th Annual Conference on Information Sciences and Systems, CISS 2010. 5464953. (2010 44th Annual Conference on Information Sciences and Systems, CISS 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)
2009

Combining orthogonalized partial metrics: Efficient enumeration for soft-input sphere decoder

Liao, C. H., Lai, I. W., Nikitopoulos, K., Borlenghi, F., Kammler, D., Witte, M., Zhang, D., Chiueh, T. D., Ascheid, G. & Meyr, H., 2009 Dec 1, 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009. Institute of Electrical and Electronics Engineers Inc., p. 1287-1291 5 p. 5450104. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)

Efficient implementations from libraries: Analyzing the influence of configuration parameters on key performance properties

Ramakrishnan, V., Zur Jacobsmuehlen, J., Lai, I. W., Kempf, T., Adrat, M., Ascheid, G., Antweiler, M. & Meyr, H., 2009 Dec 1, 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009. Institute of Electrical and Electronics Engineers Inc., p. 873-877 5 p. 5450235. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Low-complexity adaptive channel estimation for OFDM system in fast-fading channel

Lai, I. W., Yu, T. H. & Chiueh, T. D., 2009 Oct 26, 2009 IEEE International Symposium on Circuits and Systems, ISCAS 2009. p. 685-688 4 p. 5117841. (Proceedings - IEEE International Symposium on Circuits and Systems).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Low-complexity channel-adaptive MIMO detection with just-acceptable error rate

Lai, I. W., Ascheid, G., Meyr, H. & Chiueh, T. D., 2009 Oct 12, VTC Spring 2009 - IEEE 69th Vehicular Technology Conference. 5073657. (IEEE Vehicular Technology Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Searching in the delta lattice: An efficient MIMO detection for iterative receivers

Lai, I. W., Liao, C. H., Witte, M., Kammler, D., Borlenghi, F., Nikitopoulos, K., Ramakrishnan, V., Zhang, D., Chiueh, T. D., Ascheid, G. & Meyr, H., 2009 Dec 1, GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference. 5426133. (GLOBECOM - IEEE Global Telecommunications Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)