Interference coordination in full-duplex HetNet with large-scale antenna arrays
Zhao-yang ZHANG, Wei LYU
Interference coordination in full-duplex HetNet with large-scale antenna arrays
Massive multiple-input multiple-output (MIMO), small cell, and full-duplex are promising techniques for future 5G communication systems, where interference has become the most challenging issue to be addressed. In this paper, we provide an interference coordination framework for a two-tier heterogeneous network (HetNet) that consists of a massive-MIMO enabled macro-cell base station (MBS) and a number of full-duplex small-cell base stations (SBSs). To suppress the interferences and maximize the throughput, the full-duplex mode of each SBS at the wireless backhaul link (i.e., in-band or out-of-band), which has a different impact on the interference pattern, should be carefully selected. To address this problem, we propose two centralized algorithms, a genetic algorithm (GEA) and a greedy algorithm (GRA). To sufficiently reduce the computational overhead of the MBS, a distributed graph coloring algorithm (DGCA) based on price is further proposed. Numerical results demonstrate that the proposed algorithms significantly improve the system throughput.
Massive MIMO / Full-duplex / Small cell / Wireless backhaul / Distributed algorithm
[1] |
3GPP, 2012a. Evolved universal terrestrial radio access (EUTRA); LTE physical layer; general description. Technical Specification No. 36.201 (v11.1.0), 3rd Generation Partnership Project.
|
[2] |
3GPP, 2012b. Evolved universal terrestrial radio access (E-UTRA); further enhancements to LTE time division duplex (TDD) for downlink-uplink (DL-UL) interference management and traffic adaptation. Technical Report No. 36.828 (v11.0.0), 3rd Generation Partnership Project.
|
[3] |
Bharadia,D., Katti,S., 2016. Full-duplex radios. In: Vannithamby, R., Talwar, S. (Eds.), Towards 5G: Applications, Requirements and Candidate Technologies. John Wiley & Sons, p.365–394. http://dx.doi.org/10.1002/9781118979846.ch16
|
[4] |
Boccardi,F., Heath,R., Lozano,A.,
|
[5] |
Brélaz,D., 1979. New methods to color the vertices of a graph. Commun. ACM, 22(4):251–256. http://dx.doi.org/10.1145/359094.359101
|
[6] |
Choi,J.I., Jain,M., Srinivasan,K. ,
|
[7] |
Goyal,S., Liu,P., Hua,S.,
|
[8] |
Goyal,S., Liu,P., Panwar,S.,
|
[9] |
Hosseini,K., Hoydis, J., ten Brink,S. ,
|
[10] |
Hoydis,J., Kobayashi, M., Debbah,M. , 2011. Green smallcell networks. IEEE Veh. Technol. Mag., 6(1):37–43. http://dx.doi.org/10.1109/mvt.2010.939904
|
[11] |
Hoydis,J., Hosseini, K., ten Brink,S. ,
|
[12] |
Jain,M., Choi,J.I., Kim,T.,
|
[13] |
Kim,S., Cho,I., 2013. Graph-based dynamic channel assignment scheme for femtocell networks. IEEE Commun. Lett., 17(9):1718–1721. http://dx.doi.org/10.1109/lcomm.2013.071013.130585
|
[14] |
Larsson,E., Edfors, O., Tufvesson,F. ,
|
[15] |
Li,B., Zhu,D., Liang,P., 2015. Small cell in-band wireless backhaul in massive MIMO systems: a cooperation of next-generation techniques. IEEE Trans. Wirel. Commun., 14(12):7057–7069. http://dx.doi.org/10.1109/twc.2015.2464299
|
[16] |
Liu,G., Yu,F.R., Ji,H.,
|
[17] |
Marzetta,T.L., 2010. Noncooperative cellular wireless with unlimited numbers of base station antennas. IEEE Trans. Wirel. Commun., 9(11):3590–3600. http://dx.doi.org/10.1109/twc.2010.092810.091092
|
[18] |
Rusek,F., Persson, D., Lau,B.K. ,
|
[19] |
Sabharwal,A., Schniter, P., Guo,D. ,
|
[20] |
Tabassum,H., Sakr,A.H., Hossain,E., 2016. Analysis of massive MIMO-enabled downlink wireless backhauling for full-duplex small cells. IEEE Trans. Commun., 64(6):2354–2369. http://dx.doi.org/10.1109/tcomm.2016.2555908
|
[21] |
Thilina,K.M., Tabassum, H., Hossain,E. ,
|
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