Class information for:
Level 2: OFDM//IEEE TRANSACTIONS ON COMMUNICATIONS//TELECOMMUNICATIONS

Basic class information
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
12 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 1181119
35 3       TELECOMMUNICATIONS//IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS//ENGINEERING, ELECTRICAL & ELECTRONIC 110941
343 2             OFDM//IEEE TRANSACTIONS ON COMMUNICATIONS//TELECOMMUNICATIONS 18114
1041 1                   OFDM//CHANNEL ESTIMATION//CARRIER FREQUENCY OFFSET CFO 2917
2161 1                   MULTIUSER DETECTION//CODE DIVISION MULTIPLE ACCESS CDMA//CDMA 2373
9015 1                   PEAK TO AVERAGE POWER RATIO PAPR//PAPR//PEAK TO AVERAGE POWER RATIO 1226
9445 1                   BLIND EQUALIZATION//BLIND CHANNEL ESTIMATION//CONSTANT MODULUS ALGORITHM 1187
9612 1                   TURBO EQUALIZATION//FREQUENCY DOMAIN EQUALIZATION//MC CDMA 1169
12790 1                   NONCOHERENT DETECTION//MULTIPLE SYMBOL DIFFERENTIAL DETECTION//PER SURVIVOR PROCESSING 911
12924 1                   CONTINUOUS PHASE MODULATION//CONTINUOUS PHASE MODULATION CPM//GMSK 903
14546 1                   CODE ACQUISITION//MEAN ACQUISITION TIME//PN CODE ACQUISITION 792
14565 1                   TRELLIS CODED MODULATION//MULTISTAGE DECODING//TRELLIS CODED MODULATION TCM 791
15165 1                   FBMC//OFDM OQAM//SPECTRAL PRECODING 754
16143 1                   MODULATION CLASSIFICATION//AUTOMATIC MODULATION CLASSIFICATION//MODULATION RECOGNITION 697
16380 1                   FREQUENCY HOP COMMUNICATION//FREQUENCY HOPPING//MULTITONE JAMMING 684
16509 1                   DIGITAL SUBSCRIBER LINE//DIGITAL SUBSCRIBER LINE DSL//DYNAMIC SPECTRUM MANAGEMENT 677
16598 1                   DECISION FEEDBACK EQUALIZER//DECISION FEEDBACK EQUALIZATION//EQUALIZATION 672
17102 1                   BIT TIMING RECOVERY//CARRIER SYNCHRONIZATION//CARRIER RECOVERY 645
22357 1                   ECE WIN//RADIO RELAY LINK//RADIO REPEATERS 407
25860 1                   VITERBI DECODER//VITERBI DECODING//ADD COMPARE SELECT ACS 291
26785 1                   SNR ESTIMATION//SIGNAL TO NOISE RATIO SNR ESTIMATION//DOPPLER SPREAD ESTIMATION 265
27854 1                   CHANNEL SHORTENING//TIME DOMAIN EQUALIZATION//TIME DOMAIN EQUALIZER 240
29379 1                   FRAME SYNCHRONIZATION//BLIND RECOGNITION//BLIND FRAME SYNCHRONIZATION 205
29637 1                   IEEE TRANSACTIONS ON CONSUMER ELECTRONICS//1057 813 CODE//1057 813 DIFFERENT SET CYCLIC CODE 199
35608 1                   GROUP DEMODULATION//AERONAUTICAL SERVICES//AMPLITUDE PHASE SHIFT KEYING APK MODULATION 109

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OFDM authKW 1217048 8% 51% 1388
2 IEEE TRANSACTIONS ON COMMUNICATIONS journal 1177552 14% 26% 2579
3 TELECOMMUNICATIONS WoSSC 916688 60% 5% 10872
4 CHANNEL ESTIMATION authKW 864144 5% 52% 951
5 MULTIUSER DETECTION authKW 660253 3% 65% 581
6 ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING OFDM authKW 650909 5% 46% 823
7 ENGINEERING, ELECTRICAL & ELECTRONIC WoSSC 370422 82% 2% 14847
8 BLIND EQUALIZATION authKW 352509 1% 81% 252
9 PEAK TO AVERAGE POWER RATIO PAPR authKW 320864 1% 75% 245
10 PAPR authKW 308574 1% 80% 223

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Telecommunications 916688 60% 5% 10872
2 Engineering, Electrical & Electronic 370422 82% 2% 14847
3 Transportation Science & Technology 33472 6% 2% 1010
4 Computer Science, Information Systems 15366 8% 1% 1478
5 Computer Science, Hardware & Architecture 5580 3% 1% 618
6 Engineering, Aerospace 835 1% 0% 227
7 Automation & Control Systems 102 1% 0% 166
8 Computer Science, Theory & Methods 40 1% 0% 204
9 Engineering, General 14 1% 0% 141
10 Computer Science, Artificial Intelligence 6 1% 0% 147

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ELECT ENGN 62000 17% 1% 3020
2 COMMUN ENGN 52902 3% 6% 533
3 ELECT COMP ENGN 48031 12% 1% 2167
4 UT COMMUN 37878 0% 35% 62
5 MOBILE COMMUN 25006 1% 9% 163
6 WIRELESS COMMUN 24641 1% 10% 141
7 IP RADIO NETWORK DEV 20978 0% 93% 13
8 TELECOMMUN 20850 1% 5% 233
9 ELECT ELECT ENGN 20443 5% 1% 972
10 WIRELESS S 20046 0% 34% 34

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON COMMUNICATIONS 1177552 14% 26% 2579
2 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 217638 5% 13% 993
3 IEICE TRANSACTIONS ON COMMUNICATIONS 192050 5% 11% 977
4 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 190472 5% 12% 884
5 IEEE TRANSACTIONS ON SIGNAL PROCESSING 152411 5% 9% 948
6 IEEE COMMUNICATIONS LETTERS 133344 4% 11% 728
7 IEEE TRANSACTIONS ON BROADCASTING 125111 2% 22% 333
8 EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS 123838 2% 26% 278
9 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 110333 3% 11% 596
10 WIRELESS PERSONAL COMMUNICATIONS 83204 3% 10% 498

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 OFDM 1217048 8% 51% 1388 Search OFDM Search OFDM
2 CHANNEL ESTIMATION 864144 5% 52% 951 Search CHANNEL+ESTIMATION Search CHANNEL+ESTIMATION
3 MULTIUSER DETECTION 660253 3% 65% 581 Search MULTIUSER+DETECTION Search MULTIUSER+DETECTION
4 ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING OFDM 650909 5% 46% 823 Search ORTHOGONAL+FREQUENCY+DIVISION+MULTIPLEXING+OFDM Search ORTHOGONAL+FREQUENCY+DIVISION+MULTIPLEXING+OFDM
5 BLIND EQUALIZATION 352509 1% 81% 252 Search BLIND+EQUALIZATION Search BLIND+EQUALIZATION
6 PEAK TO AVERAGE POWER RATIO PAPR 320864 1% 75% 245 Search PEAK+TO+AVERAGE+POWER+RATIO+PAPR Search PEAK+TO+AVERAGE+POWER+RATIO+PAPR
7 PAPR 308574 1% 80% 223 Search PAPR Search PAPR
8 CARRIER FREQUENCY OFFSET CFO 285590 1% 89% 184 Search CARRIER+FREQUENCY+OFFSET+CFO Search CARRIER+FREQUENCY+OFFSET+CFO
9 CARRIER FREQUENCY OFFSET 246300 1% 80% 177 Search CARRIER+FREQUENCY+OFFSET Search CARRIER+FREQUENCY+OFFSET
10 CODE DIVISION MULTIPLE ACCESS CDMA 226396 2% 41% 318 Search CODE+DIVISION+MULTIPLE+ACCESS+CDMA Search CODE+DIVISION+MULTIPLE+ACCESS+CDMA

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 1920 ULTRA WIDEBAND UWB//IMPULSE RADIO//RADIO PROPAGATION
2 33 TELECOMMUNICATIONS//IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS//COGNITIVE RADIO
3 3800 SOFTWARE DEFINED RADIO//SOFTWARE RADIO//BANDPASS SAMPLING
4 3222 POWER LINE COMMUNICATION//POWER LINE COMMUNICATIONS PLC//IMPULSIVE NOISE
5 993 NETWORK CODING//LOW DENSITY PARITY CHECK LDPC CODES//ITERATIVE DECODING
6 1042 TELECOMMUNICATIONS//MOBILITY MANAGEMENT//HANDOFF
7 2806 PERMUTATION POLYNOMIAL//FINITE FIELDS AND THEIR APPLICATIONS//BENT FUNCTION
8 3047 UNDERWATER ACOUSTIC COMMUNICATION//UNDERWATER SENSOR NETWORKS//TIME REVERSAL
9 2365 BLIND SOURCE SEPARATION//BLIND SOURCE SEPARATION BSS//NONNEGATIVE MATRIX FACTORIZATION
10 706 IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS//DIRECTION OF ARRIVAL ESTIMATION//ARRAY SIGNAL PROCESSING

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