Preprints

C. Suh and M. Gastpar, “Two-way multicast channels,” in preparation for submission to the IEEE Transactions on Information Theory.

C. Suh, “Information theory of matrix completion,” in preparation for submission to the IEEE Transactions on Information Theory.

S. Shin and C. Suh, “Two-way function computation,” in preparation for submission to the IEEE Transactions on Information Theory.

S. Um, C. Suh and W. Choi, “Approximate capacity of a class of Gaussian broadcast interference channels,” in preparation for submission to the IEEE Transactions on Information Theory.

B. Kang, S.-H. Lee, S.-Y. Chung and C. Suh, “A new achievable scheme for interference relay channels,” in preparation for submission to the IEEE Transactions on Information Theory.

I.-H. Wang, C. Suh, S. Diggavi and P. Viswanath, “Bursty interference channel with feedback,” in preparation for submission to the IEEE Transactions on Information Theory.

Y. Chen, G. Kamath, C. Suh and D. Tse, “Community recovery in graphs with locality,” in preparation for submission to a journal.

S. Kim, S. Mohajer and C. Suh, “Coding across parallel erasure broadcast channels can be very useful,” in preparation for submission to a journal.

Journals (In Review)

[T-1] K. Ahn, K. Lee and C. Suh, “Community recovery in hypergraphs,” submitted to the IEEE Transactions on Information Theory, Sep. 2017.

[T-2] C. Suh, J. Cho and D. Tse, “Two-way interference channel capacity: How to have the cake and eat it too,” submitted to the IEEE Transactions on Information Theory, Sep. 2017.

[T-3] S. Kim, M. Soheil and C. Suh, “Role of a relay in bursty multiple access channels,” submitted to the IEEE Transactions on Information Theory, Apr. 2016.

[T-4] M. Jang, S. Kim, C. Suh and S. Oh, “Top-K ranking from pairwise comparisons: When spectral ranking is optimal,” submitted to the Journal of Machine Learning Research, Mar. 2016.

[T-5] Y. Chen and C. Suh, “Spectral MLE: Top-K rank aggregation from pairwise comparisons,” submitted to the Journal of Machine Learning Research, May 2015 (Bell Labs Prize finalist).

[T-6] S. Kim, I.-H. Wang and C. Suh, “A relay can increase degrees of freedom in bursty MIMO interference networks,” submitted to the IEEE Transactions on Information Theory, May 2015.

Journals (After Aug. 2012)

[1] K. Lim, H. Ko, C. Suh and J.K.K. Rhee, “Security analysis of quantum key distribution on passive optical networks,” Optics Express, vol. 25, no. 10, May 2017.

[2] C. Suh, V. Y. F. Tan and R. Zhao, “Adversarial top-K ranking,” IEEE Transactions on Information Theory, vol. 63, no. 4, pp. 2201–2225, Apr. 2017.

[3] H. Yang, W. Shin, B. Jung, C. Suh and A. Paulraj, “Opportunistic downlink interference alignment for multi-cell MIMO networks,” IEEE Transactions on Wireless Communications, vol. 16, no. 3, pp. 1533–1548, Mar. 2017.

[4] Y. Chen, C. Suh and A. Goldsmith, “Information recovery from pairwise measurements,” IEEE Transactions on Information Theory, vol. 62. no. 10, pp. 5881–5905, Oct. 2016.

[5] S. Jeon and C. Suh, "Degrees of freedom of uplink-downlink multi-antenna cellular networks,” IEEE Transactions on Information Theory, vol. 62, no. 8, pp. 4589–4603, Aug. 2016.

[6] C. Suh, N. Goela and M. Gastpar, “Computation in multicast networks: Function alignment and converse theorems,” IEEE Transactions on Information Theory, vol. 62, no. 4, pp. 1866–1877, Apr. 2016.

[7] S. Huang, C. Suh and L. Zheng, “Euclidean information theory of networks”, IEEE Transactions on Information Theory, vol. 61, no. 12, pp. 6795–6814, Dec. 2015.

[8] S. H. Chae, C. Suh and S.-Y. Chung, “Degrees of freedom of the rank-deficient interference channel with feedback,”, IEEE Transactions on Information Theory, vol. 61, no. 6, pp. 3326–3338, June 2015.

[9] K. Lim, H. Ko, K. Kim, C. Suh and J.K.K.Lee, “The error tolerance bound for secure multi-qubit QKD against incoherent attack,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 21, no. 3, pp.1–9, May/June 2015.

[10] S. Lashgari, S. Avestimehr and C. Suh, “Linear degrees of freedom of the X-channel with delayed CSIT," IEEE Transactions on Information Theory, vol. 60, no. 5, pp. 2180—2189, Apr. 2014

[11] V. Cadambe, S. Jafar, H. Maleki, K. Ramchandran and C. Suh, “Asymptotic interference alignment for optimal repair of MDS codes in distributed storage,” IEEE Transactions on Information Theory, vol. 59, no. 5, pp. 2974—2987, May 2013.

Journals (Before Aug. 2012)

[12] A. Vahid, C. Suh and S. Avestimehr, “Interference channels with rate-limited feedback,” IEEE Transactions on Information Theory, vol. 58, no. 5, pp. 2788–2812, May 2012.

[13] C. Suh, M. Ho and D. Tse, “Downlink interference alignment,” IEEE Transactions on Communications, vol. 59, no. 9, pp. 2616—2626, Sep. 2011 (won the 2013 IEEE Communications Society Stephen O. Rice Prize).

[14] C. Suh and D. Tse, “Feedback capacity of the Gaussian interference channel to within 2 bits,” IEEE Transactions on Information Theory, vol. 57, no. 5, pp. 2667—2685, May 2011 (The conference version won the Best Student Paper Award of the IEEE ISIT 2009).

[15] C. Suh and K. Ramchandran, “Exact-repair MDS code construction using interference alignment,” IEEE Transactions on Information Theory, vol. 57, no. 3, pp. 1425—1442, Mar. 2011 (The conference version won a finalist of the Best Student Paper Award of the IEEE ISIT 2010).

[16] A. G. Dimakis, Y. Wu, K. Ramchandran and C. Suh, “A survey on network codes for distributed storage,” Proceedings of the IEEE, vol. 99, no. 3, pp. 476—489, Mar. 2011

[17] C. Suh and J. Mo, “Resource allocation for multicast services in multicarrier wireless communications,” IEEE Transactions on Wireless Communication, vol. 7, no. 1, pp. 27—31, Jan. 2008.

[18] Y. Kim, J. Lim, C. Suh and Y. Lee, “Designing training sequences for carrier frequency estimation in frequency-selective channels,” IEEE Transactions on Vehicular Technology, vol. 55, no. 1, pp.151—157, Jan. 2006.

CS Conference Papers

[19] M. Jang, S. Kim, C. Suh and S. Oh, “Optimal sample complexity of M-wise data for top-K ranking,” NIPS, Dec. 2017 (acceptance rate < 25%).

[20] K. Lee, H. Kim, and C. Suh, “Crash to not crash: Playing video games to predict vehicle collisions,” ICML Workshop, Aug. 2017.

[21] K. Lee, J. Chung, and C. Suh, “Large-scale and interpretable collaborative filtering for educational data,” KDD Workshop, Aug. 2017.

[22] S. Mohajer, C. Suh, and A. Elmahdy, “Active learning for top-K rank aggregation from noisy comparisons,” ICML, Aug. 2017 (acceptance rate < 25%).

[23] K. Lee, J. Chung, Y. Cha and C. Suh, “Learning analytics: Collaborative filtering or regression with experts?” NIPS Workshop, Dec. 2016 (oral presentation).

[24] Y. Chen, G. Kamath, C. Suh and D. Tse “Community recovery in graphs with locality,” ICML, June 2016 (accepatance rate < 25%).

[25] Y. Chen and C. Suh, “Spectral MLE: Top-K rank aggregation from pairwise comparisons,” ICML, July 2015 (acceptance rate < 25%, Bell Labs Prize finalist).

International Conference Proceedings (After Aug. 2012)

S. Shin and C. Suh, “Capacity of a two-way function multicast channel,” Proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2017.

G. Suh, K. Lee and C. Suh, “Matrix sparsification for coded matrix multiplication,” proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2017.

C. Suh, J. Cho and D. Tse, “Two-way interference channel capacity: How to have the cake and eat it too,” Proceedings of the IEEE International Symposium on Information Theory, June 2017.

K. Ahn, K. Lee and C. Suh, “Information-theoretic limits of subspace clustering,” Proceedings of the IEEE International Symposium on Information Theory, June 2017.

S. Kim, S. Mohajer and C. Suh, “Coding across heterogeneous parallel broadcast channels is useful,” Proceedings of the IEEE International Symposium on Information Theory, June 2017.

K. Lee, C. Suh and K. Ramchandran, “High-dimensional coded matrix multiplication,” Proceedings of the IEEE International Symposium on Information Theory, June 2017.

K. Ahn, K. Lee and C. Suh, “Subspace clustering via hypergraph community recovery,” Information Theory and Applications Workshop, Feb. 2017 (invited paper).

S. Mohajer and C. Suh, “Active top-K ranking from noisy comparisons,” Proceedings of Allerton Conference on Communication, Control, and Computing, Sep. 2016 (invited paper).

K. Ahn, K. Lee and C. Suh, “Community recovery in hypergraphs,” Proceedings of Allerton Conference on Communication, Control, and Computing, Sep. 2016.

K. Lim, C. Suh and J. K. Rhee, “Superadditivity of a reverse private capacity in quantum channels,” Proceedings of the International Conference on Quantum Cryptography (QCrypt), Sep. 2016.

C. Suh, D. Tse and J. Cho, “To feedback or not to feedback,” Proceedings of the IEEE International Symposium on Information Theory, Barcelona, July 2016.

S. Kim, S. Mohajer and C. Suh, “Role of a relay in bursty networks with correlated transmissions,” Proceedings of the IEEE International Symposium on Information Theory, Barcelona, July 2016.

C. Suh, V. Y. F. Tan and R. Zhao, “Adversarial top-K ranking,” Information Theory and Applications Workshop, Feb. 2016 (invited paper).

Y. Chen and C. Suh, “Top-K ranking: An information-theoretic perspective,” IEEE Information Theory Workshop, Jeju, South Korea, Oct. 2015 (invited paper).

S. Kim and C. Suh, “Degrees of freedom of bursty multiple access channels with a relay,” Proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2015.

K. Lim, K. Kim, C. Suh and J. K. Rhee, “Error tolerance bound for multi-qubit QKD security against general attack,” Proceedings of the International Conference on Quantum Cryptography (QCrypt), Sep. 2015.

S. Kim, I.-H. Wang and C. Suh, “A relay can increase degrees of freedom in bursty MIMO interference networks”, Proceedings of the IEEE International Symposium on Information Theory, Hong Kong, June 2015.

Y. Chen, C. Suh and A. Goldsmith, “Information recovery from pairwise measurements: A Shannon-theoretic approach,” Proceedings of the IEEE International Symposium on Information Theory, Hong Kong, June 2015.

Y. Chen and C. Suh, “Fundamental limits of top-K ranking,” Information Theory and Applications Workshop, Feb. 2015 (invited paper).

S. Shin and C. Suh, “Two-way function computation”, Proceedings of Allerton Conference on Communication, Control and Computing, Oct. 2014.

S. Jeon and C. Suh, “Degrees of freedom of uplink-downlink multi-antenna cellular networks,” Proceedings of the IEEE International Symposium on Information Theory, Hawaii, USA, July 2014.

H. Yang, W. Shin, B. Jung, C. Suh and A. Paulraj, “Opportunistic downlink interference alignment,” Proceedings of the IEEE International Symposium on Information Theory, Hawaii, USA, July 2014.

H. Yang, W. Shin, B. Jung and C. Suh, “Opportunistic interference alignment for MIMO interfering broadcast channels,” IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP), May 2014.

C. Suh, “Information theory of matrix completion,” Information Theory and Applicaitons Workshop, Feb. 2014 (invited paper).

S. Lashgari, S. Avestimehr and C. Suh, “A rank ratio inequality and the linear degrees of freedom of X-channel with delayed CSIT,” Proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2013 (invited paper).

S. H. Chae, C. Suh and S.-Y. Chung, “Degrees of freedom of the MIMO rank-deficient interference channel with feedback,” Proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2013.

C. Suh and M. Gastpar, “Network decomposition for function computation,” IEEE 14th Workshop on Processing Advances in Wireless Communications (SPAWC), Darmstadt, Germany, June 2013 (invited paper).

C. Suh and M. Gastpar, “Interactive function computation,” Proceedings of the IEEE International Symposium on Information Theory, Istanbul, Turkey, July 2013.

S.-L. Huang, C. Suh and L. Zheng, “Euclidean information theory of networks,” Proceedings of the IEEE International Symposium on Information Theory, Istanbul, Turkey, July 2013.

I.-H. Wang, C. Suh, S. Diggavi and P. Viswanath, “Bursty interference channel with feedback,” Proceedings of the IEEE International Symposium on Information Theory, Istanbul, Turkey, July 2013.

S. H. Chae, C. Suh and S.-Y. Chung, “Feedback can increase the degrees of freedom of the rank-deficient interference channel,” Proceedings of the IEEE International Symposium on Information Theory, Istanbul, Turkey, July 2013.

B. Kang, S.-H. Lee, S.-Y. Chung and C. Suh, “A new achievable scheme for interference relay channels,” Proceedings of the IEEE International Symposium on Information Theory, Istanbul, Turkey, July 2013.

C. Suh and M. Gastpar, “Interactive function computation,” Information Theory and Applications Workshop, Feb. 2013 (invited paper).

C. Suh, N. Goela and M. Gastpar, “Computation in multicast networks: Function alignment and converse theorems,” Proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2012.

I.-H. Wang and C. Suh, “Feedback increases the degrees of freedom of two unicast Gaussian networks,” Proceedings of Allerton Conference on Communication, Control, and Computing, Oct. 2012.

N. Goela, C. Suh and M. Gastpar, “Network coding with computation alignment,” Proceedings of the IEEE Information Theory Workshop, EPFL, Switzerland, Sept. 2012

International Conference Proceedings (Before Aug. 2012)

C. Suh, I. Wang and D. Tse, “Two-way interference channels,” Proceedings of the IEEE International Symposium on Information Theory, MIT, USA, July 2012.

C. Suh, N. Goela and M. Gastpar, “Approximate feedback capacity of the Gaussian multicast channel,” Proceedings of the IEEE International Symposium on Information Theory, MIT, USA, July 2012.

D. Papailiopoulos, C. Suh and A. G. Dimakis, “Feedback in the K-user interference channel,” Proceedings of the IEEE International Symposium on Information Theory, MIT, USA, July 2012.

C. Suh, I. Wang and D. Tse, “Two-way interference channels,” Information Theory and Applications, Feb. 2012 (invited paper).

C. Suh, M. Ho and D. Tse, “Downlink interference alignment,” Proceedings of the IEEE GLOBECOM, Miami, USA, Dec. 2010.

C. Suh and K. Ramchandran, “Exact-repair MDS codes for distributed storage using interference alignment,” Proceedings of the IEEE International Symposium on Information Theory, Austin, USA, June 2010 (Best Student Paper Finalist).

C. Suh, A. T. Koc and S. Talwar, “Tradeoff power control for cellular systems,” Proceedings of the IEEE GLOBECOM, Hawaii, USA, Dec. 2009.

C. Suh and D. Tse, “The feedback capacity region of ElGamal-Costa deterministic interference channel,” Proceedings of Allerton Conference on Communication, Control, and Computing, Sept. 2009.

C. Suh and D. Tse, “Symmetric feedback capacity of the Gaussian interference channel to within one bit,” Proceedings of the IEEE International Symposium on Information Theory, Seoul, Korea, June 2009 (Best Student Paper).

C. Suh and D. Tse, “Interference alignment for cellular networks,” Proceedings of Allerton Conference on Communication, Control, and Computing, Sept. 2008.

C. Suh and J. Mo, “Resource allocation for multicast services in multicarrier wireless communications,” Proceedings of the IEEE INFOCOM, Barcelona, Spain, Apr. 2006.

C. Suh, S. Park and Y. Cho, “Efficient algorithm for proportional fairness scheduling in multicast OFDM systems,” Proceedings of the IEEE Vehicular Technology Conference Spring, Stockholm, Sweden, vol. 3, pp. 1880—1884, May 2005.

C. Suh and C. Hwang, “Channel estimation technique for mitigating ICI in MIMO-OFDM cellular systems,” Proceedings of the IEEE GLOBECOM, Dallas, USA, vol. 4, pp. 2679—2683, Nov. 2004.

S. Yoon, C. Suh, Y. Cho and D. Park “Performance of orthogonal frequency division multiple access with an aggregated sub-channel structure and statistical channel quality measurements,” Proceedings of the IEEE Vehicular Technology Conference Fall, Los Angeles, USA, vol. 2, pp. 1023—1027, Sept. 2004.

C. Suh, Y. Cho and S. Yoon, “Dynamic subchannel and bit allocation in multiuser OFDM with a priority user,” Proceedings of the IEEE International Symposium on Spread Spectrum Techniques and Applications, Sydney, Australia, pp. 919—923, Sept. 2004.

C. Suh and C. Hwang, “Dynamic subchannel and bit allocation for multicast OFDM Systems,” Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Barcelona, Spain, vol. 3, pp. 2102—2106, Sept. 2004.

C. Suh and C. Hwang, “Recursive construction of Golay sequences,” Proceedings of the IEEE International Symposium on Information Theory, Chicago, USA, p. 83, June 2004.

H. Liu, L. Razoumov, R. Dipankar, C. Suh and S. Yoon, “Optimal power allocation for type II H-ARQ under frame error rate constraint,” Conference on Information Sciences and Systems, Mar. 2004.

C. Chae, M. Katz, C. Suh and H. Jeong, “Adaptive spatial modulation for MIMO-OFDM,” Proceedings of the IEEE Wireless Communications and Networking Conference, Atlanta, USA, vol. 1, pp. 87—92, Mar. 2004

C. Suh, C. Hwang and H. Choi, “Preamble design for channel estimation in MIMO-OFDM systems,” Proceedings of the IEEE GLOBECOM, San Francisco, USA, vol. 1, pp. 317—321, Dec. 2003.

C. Suh, C. Hwang and H. Choi, “Comparative study of time-domain and frequency-domain channel estimation in MIMO-OFDM systems,” Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Beijing, China, vol. 2, pp. 1095—1099, Sept. 2003.

C. Chae, C. Suh and H. Lee, “A novel blind beamforming for an adaptive array antenna in CDMA systems using CM-DD,” Progress in Electromagnetic Research Symposium 2003, Oct . 2003.

C. Chae, C. Suh and M. Katz, “Comparative study of radio channel propagation characteristics for 3G/4G communication systems,” Proceeding of Virginia Tech’s Twelfth Symposium on Wireless Personal Communications, June 2003.

H. Nam, T. Kim, C. Ryu, M. Kim, H. Kim, Y. Song, J. Shim, I. Hwang, C. Suh, Y. Kim, Y. Lee and B. Kim, “A 300mW programmable QAM transceiver for VDSL applications,” Proceedings of the IEEE International Solid-State Circuits Conference, San Francisco, USA, vol. 1, pp. 418—504, Feb. 2003.

Y. Kim, J. Lim, C. Suh, E. Jeong and Y. Lee, “Carrier frequency estimation for transmissions with antenna diversity,” Proceedings of the IEEE Vehicular Technology Conference Spring, Birmingham, USA, vol. 3, pp. 1569—1573, May 2002.

Domestic Papers

K. Lim, H. Ko ,C. Suh and J. K. Rhee, “Security analysis of quantum key distribution on passive optimal networks,” Quantum ICT Tech Symposium, May 2016.

K. Lim, C. Suh and J. K. Rhee, “Superadditivity of a reverse private capacity in quantum channels,” Quantum ICT Tech Symposium, May 2016.

J. Cho and C. Suh, “Interactive interference channels,” The 26th Joint Conference on Communications and Information, Apr. 2016.

J. K. Rhee, K. Lim, S. Ko, J. Oh and C. Suh, “Security analysis for quantum key distribution system on passive optical network,” Korean Journal of Optics and Photonics, vol. 26, no. 6, Dec. 2015.

S. Kim and C. Suh, “Role of relays in networks with bursty transmissions,” The 25th Joint Conference on Communications and Information, Apr. 2015.

S. Ko, K. Lim, K. Kim, C. Suh and J. K. Rhee, “The error tolerance bound for secure multi-qubit QKD against incoherent attack,” The Journal of Korea Information and Communications Society, vol. 31, no. 6, Sept. 2014.

J. Cho, S. Shin, and C. Suh, “Impact of outdated channel state information in cellular networks,” The 24th Joint Conference on Communications and Information, Apr. 2014.

S. Jeon and C. Suh, “Degrees of freedom of uplink-downlink multi-antenna cellular networks,” The 24th Joint Conference on Communications and Information, Apr. 2014.

C. Suh, “Fundamental limits of cellular networks,” The 24th Joint Conference on Communications and Information, Apr. 2014.

H. Yang, W. Shin, B. Jung and C. Suh, “Opportunistic downlink interference alignment,” The 24th Joint Conference on Communications and Information, Apr. 2014.

Standard Contributions

P. Joo, C. Suh and D. Park, “DL STC OFDMA preambles for 2k FFT mode,” C802.16d-03/05, July 2003.

P. Joo, C. Suh and D. Park, “DL OFDMA preambles for 2k FFT mode” C802.16d-03/49, July 2003.

P. Joo, C. Suh and D. Park, M. Katz, “Proposal of DL preamble for OFDMA,” C802.16d-03/33, May 2003.

T. Kaitz, P. Joo and C. Suh, “Preamble with the AAS network entry,” C802.16d-03/19, Mar. 2003.

C. Suh and P. Joo, “Space-time code preamble sequence in OFDM system,” C802.16d-03/05, San Jose, Jan. 2003.

P. Joo and C. Suh, F. Cao, and H. Wang, “Modification of training sequence of OFDM subchannelization,” C802.16a-02/98, Nov. 2002.

P. Joo and C. Suh, “Modification of short/long preamble of OFDM,” C802.16a-02/93, Nov. 2002

F. Cao, C. Suh, H. Wang and P. Joo, “Modification of training sequence of subchannelization,” C802.16a-02/91r1, Oct. 2002.

Patents Filed

J. K. Rhee, K. Lim, H. Ko, C. Lee and C. Suh, “Method and system for quantum key distribution able to detect PNS attack in P2MP network, 10-1590105, Jan. 2016.

C. Suh, A. T. Koc and S. Talwar, “Uplink power control for wireless systems,” US8,346,290, Jan. 2013.

C. Suh, J. Koo and D. Park, “Apparatus and method for performing ranging in a communication system,” US8,059,525, Nov. 2011.

C. Suh, J. Koo and D. Park, “Apparatus and method for detecting signal in a broadband wireless access system,” US7,953,178, May 2011.

C. Suh, J. Koo, D. Park and Y. Cho, “System and method for acquiring cell in a frequency overlay communication system,” US7,852,813, Dec. 2010.

C. Suh, D. Park and Y. Cho, “System and method for transmitting/receiving signal in a frequency overlay communication system,” US7,801,532, Sept. 2010.

C. Suh, D. Park and Y. Cho, “Frequency overlay communication system and transmission/reception method thereof,” US7,801,226, Sept. 2010.

J. Ro, C. Suh and Y. Cho, “Apparatus and method for transmitting/receiving pilot code pattern for identification of base station in communication system using orthogonal frequency division multiplexing scheme,” US7,751,304, July 2010.

C. Suh, S. Yoon, D. Raychaudhuri and L. Razoumov, “Method and apparatus for channel state feedback using arithmetic coding,” US7,746,802, June 2010.

C. Suh, D. Park and Y. Cho, “Frequency overlay communication system and control method thereof,” US7,688,926, Mar. 2010.

C. Suh, C. Hwang and D. Park, “Apparatus and method for generating a preamble sequence in an orthogonal frequency division multiplexing communication system,” US7,675,841, Mar. 2010.

C. Suh, S. Park and S. Yoon, “Scheduling apparatus and method in a multicarrier communication system,” US7,602,872, Oct. 2009.

C. Chae, C. Suh and M. Katz, “Apparatus and method for receiving data in a mobile communication system using an adaptive antenna array scheme,” US7,586,981, Sept. 2009.

C. Suh and C. Hwang, “Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas,” US7,580,490, Aug. 2009.

Y. Cho, S. Yoon and C. Suh, “Apparatus and method for transmitting/receiving an uplink pilot signal in a communication system using an Orthogonal Frequency Division Multiple Access scheme,” US7,567,545, July 2009.

S. Yoon, S. Park and C. Suh, “Apparatus and method for dynamically assigning resources in an OFDM communication system,” US7,535,869, May 2009.

C. Chae, C. Suh and M. Katz, “System and method for transmitting /receiving a signal in a mobile communication system using a multiple input multiple output adaptive antenna array scheme,” US7,532,660, Mar. 2009.

C. Suh, S. Yoon, and Y. Cho, “Apparatus and method for switching between an AMC mode and a diversity mode in a broadband wireless communication system,” US7,526,035, Apr. 2009.

C. Chae, M. Katz and C. Suh, “System and method for transmitting and receiving a signal in a mobile communication system using a multiple input multiple output adaptive antenna array scheme ,” US7,499,728, Mar. 2009.

C. Chae, M. Katz and C. Suh, “Apparatus and method for receiving signal in mobile communication system using adaptive antenna array scheme,” US7,483,502, Jan. 2009.

S. Jeong, C. Suh, S. Yoon, and Y. Cho, “Transmitting and receiving apparatus and method for optimizing performance of adaptive modulation and coding in a multiple input and multiple output antenna communication system,” US7,480,341, Jan. 2009.

J. Ro, C. Suh, S. Yoon, and Y. Cho, “Apparatus and method for transmitting and receiving a cell identification code in a mobile communication system,” US7,460,506, Dec. 2008.

C. Chae, M. Katz and C. Suh, “Apparatus and method for transmitting data by selected eigenvector in closed loop MIMO mobile communication system,” US7,450,532, Nov. 2008.

C. Suh, J. Ro, S. Yoon, and Y. Cho, “Apparatus for Transmitting/Receiving Pilot Pattern Set for Distinguishing Base Station in OFDM Systems and Method Thereof,” US7,436,758, Oct. 2008.

C. Suh, P. Joo, Y. Cho, “Apparatus and method for generating preamble sequences in an OFDM communication system,” US7,372,910, Mar. 2008.

J. Cho, C. Suh, D. Park, “Apparatus and method for transmitting/receiving a pilot signal for distinguishing a base station in a communication system using an OFDM scheme,” US7,369,531, Mar. 2008.

C. Chae, M. Katz and C. Suh, “Apparatus and method for receiving data in a mobile communication system using an adaptive antenna array technique,” US7,366,225, Apr. 2008.

C. Suh, H. Choi, P. Joo, C. Chae, and J. Ro, “Apparatus for Generating Preamble Sequence in OFDM Systems and Method Thereof,” US7,366,090, Apr. 2008 (cf. developed the construction rule of Golay Complementary Sequence of length 2mn from two Golay pairs of length m and n, respectively).

C. Suh, H. Choi, P. Joo, C. Chae, and J. Ro, “ Apparatus and method for transmitting/receiving preamble sequence in orthogonal frequency division multiplexing communication system using plurality of transmission antennas,” US7,292,641, Nov. 2007.

C. Suh, H. Choi, P. Joo, C. Chae, “Apparatus for Generating Preamble Sequence in Communication System using Orthogonal Frequency Division Multiplexing Scheme and Method Thereof,” US7,289,588, Oct. 2007 (cf. developed the construction rule of Golay Complementary Sequence of length mn from two Golay pairs of length m and n, respectively).

F. Fitzek, R. Prasad, C. Suh, and H. Choi, “Apparatus and method for assigning subcarrier in OFDMA communication system,” US 7,209,460, Apr. 2007.

Patents Pending

C. Suh, D. Tse, M. Ho, and S. Talwar, “Interference alignment for cellular systems,” Patent Pending in USA, Mar. 2009.

C. Suh, S. Shin, J. Cho, K. Lee, J. Kang, K. Kim, “Method for communicating using outdated channel state information 2-cell 2-user cellular network, Patent Pending in USA, Mar. 2014.

C. Suh, S. Shin, J. Cho, K. Lee, J. Kang, K. Kim, “Method for communicating using outdated channel state information 2-cell K-user cellular network, Patent Pending in USA, Aug. 2014.

C. Suh and S. Kim, “Wireless communication performance improvement by sharing contents among mobile devices, Patent Pending in USA, Jan. 2015.