Class information for:
Level 1: MASSIVE MIMO//PILOT CONTAMINATION//MASSIVE MULTIPLE INPUT MULTIPLE OUTPUT MIMO

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
9068 1190 25.3 53%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
9 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS 1247339
22 3       TELECOMMUNICATIONS//ENGINEERING, ELECTRICAL & ELECTRONIC//IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 113649
16 2             TELECOMMUNICATIONS//IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS//COGNITIVE RADIO 37309
9068 1                   MASSIVE MIMO//PILOT CONTAMINATION//MASSIVE MULTIPLE INPUT MULTIPLE OUTPUT MIMO 1190

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 MASSIVE MIMO authKW 3227282 16% 66% 190
2 PILOT CONTAMINATION authKW 1263075 5% 86% 57
3 MASSIVE MULTIPLE INPUT MULTIPLE OUTPUT MIMO authKW 597123 3% 73% 32
4 5G authKW 413221 5% 26% 61
5 MMWAVE authKW 343050 2% 70% 19
6 60 GHZ authKW 311407 5% 19% 65
7 MILLIMETER WAVE PROPAGATION authKW 252735 2% 36% 27
8 MILLIMETER WAVE COMMUNICATION authKW 251866 3% 27% 36
9 HYBRID PRECODING authKW 238817 1% 85% 11
10 BEAM TRAINING authKW 205267 1% 100% 8

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Telecommunications 99059 76% 0% 902
2 Engineering, Electrical & Electronic 22843 79% 0% 942
3 Computer Science, Information Systems 6317 19% 0% 229
4 Transportation Science & Technology 3049 6% 0% 77
5 Computer Science, Hardware & Architecture 1375 6% 0% 75
6 Optics 43 4% 0% 48
7 Instruments & Instrumentation 3 1% 0% 17
8 Remote Sensing 2 0% 0% 4
9 Electrochemistry 1 1% 0% 11
10 Computer Science, Theory & Methods 1 1% 0% 11

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 GREEN COMMUN 160357 1% 63% 10
2 ELECT ENGN ISY 159182 2% 28% 22
3 NYU WIRELESS 131944 1% 43% 12
4 WIRELESS MOBILE COMMUN RD 76975 0% 100% 3
5 FUTURE COMMUN 57730 0% 75% 3
6 BSTTM 51317 0% 100% 2
7 WIRELESS STAND TECHNOL 51317 0% 100% 2
8 MOBILE COMMUN 46792 5% 3% 55
9 5G 46183 0% 60% 3
10 WIRELESS STAND TECHNOL GRP 46183 0% 60% 3

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 52014 10% 2% 117
2 IEEE ACCESS 44300 3% 5% 38
3 IEEE COMMUNICATIONS MAGAZINE 43878 7% 2% 87
4 IEEE WIRELESS COMMUNICATIONS LETTERS 33602 3% 4% 33
5 IEEE COMMUNICATIONS LETTERS 22917 6% 1% 76
6 IEEE WIRELESS COMMUNICATIONS 21896 2% 3% 29
7 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 15878 6% 1% 67
8 IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING 13140 2% 2% 22
9 INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION 11308 2% 2% 26
10 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 11303 4% 1% 49

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 MASSIVE MIMO 3227282 16% 66% 190 Search MASSIVE+MIMO Search MASSIVE+MIMO
2 PILOT CONTAMINATION 1263075 5% 86% 57 Search PILOT+CONTAMINATION Search PILOT+CONTAMINATION
3 MASSIVE MULTIPLE INPUT MULTIPLE OUTPUT MIMO 597123 3% 73% 32 Search MASSIVE+MULTIPLE+INPUT+MULTIPLE+OUTPUT+MIMO Search MASSIVE+MULTIPLE+INPUT+MULTIPLE+OUTPUT+MIMO
4 5G 413221 5% 26% 61 Search 5G Search 5G
5 MMWAVE 343050 2% 70% 19 Search MMWAVE Search MMWAVE
6 60 GHZ 311407 5% 19% 65 Search 60+GHZ Search 60+GHZ
7 MILLIMETER WAVE PROPAGATION 252735 2% 36% 27 Search MILLIMETER+WAVE+PROPAGATION Search MILLIMETER+WAVE+PROPAGATION
8 MILLIMETER WAVE COMMUNICATION 251866 3% 27% 36 Search MILLIMETER+WAVE+COMMUNICATION Search MILLIMETER+WAVE+COMMUNICATION
9 HYBRID PRECODING 238817 1% 85% 11 Search HYBRID+PRECODING Search HYBRID+PRECODING
10 BEAM TRAINING 205267 1% 100% 8 Search BEAM+TRAINING Search BEAM+TRAINING

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 NIU, Y , LI, Y , JIN, DP , SU, L , VASILAKOS, AV , (2015) A SURVEY OF MILLIMETER WAVE COMMUNICATIONS (MMWAVE) FOR 5G: OPPORTUNITIES AND CHALLENGES.WIRELESS NETWORKS. VOL. 21. ISSUE 8. P. 2657 -2676 57 81% 43
2 KUTTY, S , SEN, D , (2016) BEAMFORMING FOR MILLIMETER WAVE COMMUNICATIONS: AN INCLUSIVE SURVEY.IEEE COMMUNICATIONS SURVEYS AND TUTORIALS. VOL. 18. ISSUE 2. P. 949 -973 67 62% 0
3 HEATH, RW , GONZALEZ-PRELCIC, N , RANGAN, S , ROH, W , SAYEED, AM , (2016) AN OVERVIEW OF SIGNAL PROCESSING TECHNIQUES FOR MILLIMETER WAVE MIMO SYSTEMS.IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING. VOL. 10. ISSUE 3. P. 436 -453 43 56% 8
4 HANEDA, K , (2015) CHANNEL MODELS AND BEAMFORMING AT MILLIMETER-WAVE FREQUENCY BANDS.IEICE TRANSACTIONS ON COMMUNICATIONS. VOL. E98B. ISSUE 5. P. 755 -772 48 61% 10
5 LARSSON, EG , EDFORS, O , TUFVESSON, F , MARZETTA, TL , (2014) MASSIVE MIMO FOR NEXT GENERATION WIRELESS SYSTEMS.IEEE COMMUNICATIONS MAGAZINE. VOL. 52. ISSUE 2. P. 186-195 10 83% 651
6 FISCHIONE, C , FODOR, G , POPOVSKI, P , ZORZI, M , SHOKRI-GHADIKOLAEI, H , (2015) MILLIMETER WAVE CELLULAR NETWORKS: A MAC LAYER PERSPECTIVE.IEEE TRANSACTIONS ON COMMUNICATIONS. VOL. 63. ISSUE 10. P. 3437 -3458 33 69% 11
7 ZENG, Y , ZHANG, R , (2016) MILLIMETER WAVE MIMO WITH LENS ANTENNA ARRAY: A NEW PATH DIVISION MULTIPLEXING PARADIGM.IEEE TRANSACTIONS ON COMMUNICATIONS. VOL. 64. ISSUE 4. P. 1557 -1571 27 77% 3
8 RAPPAPORT, TS , MACCARTNEY, GR , SAMIMI, MK , SUN, S , (2015) WIDEBAND MILLIMETER-WAVE PROPAGATION MEASUREMENTS AND CHANNEL MODELS FOR FUTURE WIRELESS COMMUNICATION SYSTEM DESIGN.IEEE TRANSACTIONS ON COMMUNICATIONS. VOL. 63. ISSUE 9. P. 3029 -3056 20 67% 50
9 XIAO, ZY , HE, T , XIA, PF , XIA, XG , (2016) HIERARCHICAL CODEBOOK DESIGN FOR BEAMFORMING TRAINING IN MILLIMETER-WAVE COMMUNICATION.IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS. VOL. 15. ISSUE 5. P. 3380 -3392 19 95% 3
10 MARZETTA, TL , (2015) MASSIVE MIMO: AN INTRODUCTION.BELL LABS TECHNICAL JOURNAL. VOL. 20. ISSUE . P. 11 -22 19 76% 31

Classes with closest relation at Level 1


Rank Class id link
1 25303 FULL DUPLEX//SELF INTERFERENCE//FULL DUPLEX RELAY
2 2452 FEMTOCELL//STOCHASTIC GEOMETRY//HETEROGENEOUS CELLULAR NETWORKS
3 905 LIMITED FEEDBACK//MULTIUSER MIMO//PRECODING
4 5292 CHANNEL MODELING//SPATIAL FADING CORRELATION//OPTIMUM COMBINING
5 23945 SPATIAL MODULATION//SPATIAL MODULATION SM//SPACE SHIFT KEYING SSK
6 33427 NON ORTHOGONAL MULTIPLE ACCESS//NON ORTHOGONAL MULTIPLE ACCESS NOMA//MC IDMA
7 32457 TRANSPORT SOLUT//COMMUNICATION BASED TRAIN CONTROL CBTC//MOBILE HOTSPOT
8 13707 DEVICE TO DEVICE COMMUNICATION//DEVICE TO DEVICE D2D COMMUNICATION//D2D COMMUNICATION
9 4679 INDOOR PROPAGATION//PATH LOSS//RADIO PROPAGATION
10 22997 ANTENNA SELECTION//TRANSMIT ANTENNA SELECTION TAS//ANTENNA SUBSET SELECTION

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