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1 Self-Organizing Networks for Next-Generation Wireless Communication Systems In this paper, we summarize the Self-Organizing Networks(SON) technique which is considered as a key technology for next-generation wireless communication system and propose two SON technique for uplink and downlink of cellular network. Recently, IEEE m and 3GPP-LTE systems also regarded SON technique as a key technology and many proposals were submitted for standardizaiton. We introduce an Adaptive Multi- Pattern Reuse(AMPR) technique for cellular downlink, which enables system optimization with reduced signal exchange among different cells. We also introduce a Decentralized Uplink Intercell interference Coordination(DUIC) technique for cellular uplink, which improves the edge-user throughput with distributed transmission control of users. Keywords: Next-generation wireless communication systems, Self-organizing networks, Intercell interference

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5 III T P D (n) P R k (t) k t π kp (t) k p r kp (t) k p D (n) π kp P Σ D k (R k ) ( r kp) (1) k κ n π p U k ( ) D P Σk N D (n) P D (D 1, D 2,..., D P )

6 π Proj(π γd). (2) T p t p(t) k * n (t) arg max U k (R k (t 1)) r kp (t), (3) R k (1 β 1 )R k β 1 I k (t)r kp (t), π kp (1 β 2 )π kp β 2 I k (t)r kp (t), (1 β 3 )r kp β 3 r kp (t), if I k (t) 0 r kp { rkp, otherwise. ρ ρ

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8 N sub CΣ C(k)bits/Hz, (4) k 1 N sub k C(k) k P TX k C(k) S 0 (k) C(k) log 2( ) bits/hz, (5) N 0 Σn A(k), n 0 I n 0 (k) A(k) k N 0 k S 0 (k) P TX G 0 0 F0 0 (k), (6) I m n (k) P TX G m n F m n (k), (7) P TX G m n n F m n (k) n m k αα

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10 IV [1] C. Prehofer and C. Bettstetter, ''Self-Organization in Communication Networks: Principles and Design Paradigms,'' IEEE Communications Magazine, Vol. 43, No [2] Article ''Self-organization,'' in Wikipedia. Address: [3] Self-Organization in Mobile Ad Hoc Networks - The Approach of Terminodes.pdf [4] H.M.N. Bandara, A.P. Jayasumana, and T.H. Illangasekare, ''Cluster Tree Based Self Organization of Virtual Sensor Networks,'' IEEE GLOBECOM Workshops, Nov [5] S. Khan and L.N. Tokarchuk, ''Interest-Based Self Organization in Group-Structured P2P Networks,'' IEEE Consumer Communications and Networking Conference (CCNC) Jan [6] A. Akella, G. Judd, S. Seshan, and P. Steenkiste, ''Selfmanagement in chaotic wireless deployments,'' In Proceedings of the 11th Annual international Conference on Mobile Computing and Networking, Sep [7] A.B. MacKenzie and S.B. Wicker, ''Game theory in communications: motivation, explanation, and application to power control,'' IEEE Global Telecommunications Conference, [8] A.B. MacKenzie and S.B. Wicker, ''Game theory and the design of self-configuring, adaptive wireless networks,'' IEEE Communications Magazine, Vol.39, No.11, Nov. 2001, pp [9] Sarma Gunturi and F. Paganini, ''Game theoretic approach to power control in cellular CDMA,'' IEEE

11 Vehicular Technology Conference - Fall, Vol.4, Oct. 2003, pp [10] Bang Chul Jung, Young-Jun Hong, Dan Keun Sung, and Sae-Young Chung, ''Fixed Power Allocation with Nulling for Cellular Uplink,'' IEEE Communications Letters, Vol. 12, No. 4, Apr. 2008, pp [11] Min Suk Kang and Bang Chul Jung, ''Decentralized Intercell Interference Coordination in Uplink Cellular Networks using Adaptive Sub-Band Exclusion,'' IEEE Wireless Communications and Networking Conference, Apr [12] H. Fujii, and H. Yoshikai, ''Restoration message transfer mechanism and restoration characteristics of doublesearch self-healing ATM network,'' IEEE Journal on Selected Areas in Communications, Vol.12, No.1, Jan. 1994, pp [13] R. Kawamura, and I. Tokizawa, ''Self-healing virtual path architecture in ATM networks,'' IEEE Communications Magazine, Vol. 33, No. 9, Sep. 1995, pp [14] H. Toba, K. Oda, K. Inoue, F. Nosu, and T. Kitoh, ''An optical FDM-based self-healing ring network employing arrayed waveguide grating filters and EDFA's with level equalizers,'' IEEE Journal on Selected Areas in Communications, Vol. 14, No. 5, Jun. 1996, pp [15] ''BAA LANdroids Broad Agency Announcement (BAA) for Information Processing Technology Office (IPTO) Defense Advanced Research Projects Agency (DARPA),'' Washington, DC: Defense Advanced Research Projects Agency (DARPA), [16] N. Vlajic, and N. Moniz, ''Self-Healing Wireless Sensor Networks: Results That May Surprise,'' IEEE Globecom Workshops, Nov [17] E. Gelenbe, P. Liu, B.K. Szymanski, M. Lisee, and K. Wasilewski, ''Cognitive and Self-Healing Routing for Sensor Networks,'' in Proc. First Annual Conference of the International Technology Alliance, Adelphi, MD, Sep., [18] Frank Lehser, T-Mobile, ''Self Organising LTE/SAE Network- Operator Requirements & Examples,'' Presented in ITG Fachtagung 25th Sep [19] IEEE m-07/002r8: ''IEEE m System Requirements,'' Jan [20] IEEE m-08/003r9a: ''IEEE m System Description Document [Draft],'' May [21] IEEE m-09/0010r2: ''Draft Amendment to IEEE Standard for Local and metropolitan area networks, Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems,'' Jun [22] 3GPP TS : ''Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access (E-UTRAN); Overall description; Stage 2'' [23] 3GPP TR : ''Evolved Study on Management of Evolved Universal Terrestrial Radio Access Network (EUTRAN) and Evolved Packet Core (EPC)'' [24] 3GPP TR : ''Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Self-configuring and selfoptimizing network use cases and solutions (Release 9)'' [25] WiMAX Forum, ''Mobile WiMAX - Part I: A technical overview and performance evaluation,'' Aug [26] A. Gjendemsj and D. Gesbert and G. E. Oien and S. G. Kiani, ''Binary Power Control for Sum Rate Maximization over Multiple Interfering Links,'' IEEE Trans. Wireless Communication, Vol. 7, No. 8, Aug. 2008, pp [27] S. Das and H. Viswanathan and G. Rittenhouse, ''Dynamic load balancing through coordinated scheduling in packet data systems,'' in Proc. IEEE INFOCOM 2003, San Francisco, CA, Apr [28] J. Cho and J. Mo and S. Chong, ''Joint network-wide opportunistic scheduling and power control in multi-cell networks,'' in Proc. IEEE WoWMoM 2007, Helsinki, Finland, Jun [29] K. Son and S. Chong and G. de Veciana, ''Dynamic Association for Load Balancing and Interference Avoidance in Multicell Networks,'' in Proc. WiOpt 2007, Limassol, Cyprus, Apr [30] K. Son, Y. Yi and S. Chong, ''Adaptive Multi-pattern Reuse in Multi-cell Networks,'' WiOpt 2009, Seoul, Korea, Jun [31] 3GPP, TR V7.1.0, Physical layer aspects for evolved Universal Terrestrial Radio Access (UTRA), Sep., [32] IEEE m-08/003r4, The Draft IEEE m System Description Document, Jun [33] 3GPP, R , Description and simulations of interference management technique for OFDMA based E-UTRA downlink evaluation, Sep., [34] Hyukmin Son and Sanghoon Lee, The Cell Planning Scheme for ICI Mitigation, IEEE International Symposium on Personal, Indoor and Mobile Radio Communication, [35] IEEE m-08/004r2, ''IEEE m Evaluation Methodology Document (EMD),'' Jun

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