Class information for:
Level 1: OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA//OPTICAL CODE DIVISION MULTIPLE ACCESS//OPTICAL ORTHOGONAL CODE

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
547 3       DESIGNS CODES AND CRYPTOGRAPHY//JOURNAL OF COMBINATORIAL DESIGNS//FINITE FIELDS AND THEIR APPLICATIONS 18807
3406 2             OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA//OPTICAL CODE DIVISION MULTIPLE ACCESS//OPTICAL ORTHOGONAL CODE 1720
4981 1                   OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA//OPTICAL CODE DIVISION MULTIPLE ACCESS//OPTICAL ORTHOGONAL CODE 1720

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA authKW 3616176 13% 90% 219
2 OPTICAL CODE DIVISION MULTIPLE ACCESS authKW 1923063 7% 91% 115
3 OPTICAL ORTHOGONAL CODE authKW 1686901 6% 90% 102
4 OPTICAL CDMA authKW 1574801 6% 90% 95
5 SPECTRAL AMPLITUDE CODING SAC authKW 807691 3% 96% 46
6 OCDMA authKW 662519 3% 80% 45
7 OPTICAL ORTHOGONAL CODES OOCS authKW 643145 2% 95% 37
8 MULTIPLE ACCESS INTERFERENCE MAI authKW 523792 4% 43% 67
9 OPTICAL CODE DIVISION MULTIPLE ACCESS CDMA authKW 493720 2% 84% 32
10 OPTICAL CODE DIVISION MULTIPLEXING OCDM authKW 463364 2% 90% 28

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Telecommunications 40386 41% 0% 707
2 Optics 30054 55% 0% 941
3 Engineering, Electrical & Electronic 19190 61% 0% 1055
4 Computer Science, Information Systems 2235 10% 0% 171
5 Computer Science, Hardware & Architecture 731 4% 0% 68
6 Physics, Applied 366 12% 0% 211
7 Mathematics 145 6% 0% 96
8 Computer Science, Theory & Methods 79 3% 0% 44
9 Mathematics, Applied 68 4% 0% 67
10 COMPUTER APPLICATIONS & CYBERNETICS 24 0% 0% 2

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ULTRAFAST PHOTON NETWORK GRP 167502 1% 57% 16
2 PHOTON NETWORK GRP 119080 1% 50% 13
3 MICRO ENGN NANOELECT 69053 0% 54% 7
4 KEY INFORMAT CODING TRANSMISS 65954 0% 60% 6
5 ONRL 64514 1% 39% 9
6 COMMUN WIRELESS NETWORKS GRP 54966 0% 100% 3
7 NEW GENERAT NETWORK 50880 1% 28% 10
8 TELECOMMUN PROGRAM 47616 1% 20% 13
9 INFORMAT NETWORK SYST 42742 0% 33% 7
10 OPT NETWORK ARCHITECTURE 41223 0% 75% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF LIGHTWAVE TECHNOLOGY 92226 15% 2% 250
2 OPTICAL FIBER TECHNOLOGY 28406 3% 4% 44
3 IEEE PHOTONICS TECHNOLOGY LETTERS 28262 9% 1% 160
4 IEEE TRANSACTIONS ON COMMUNICATIONS 22852 6% 1% 111
5 JOURNAL OF OPTICAL NETWORKING 20491 1% 6% 20
6 JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING 17783 2% 3% 33
7 JOURNAL OF COMBINATORIAL DESIGNS 16183 2% 3% 26
8 PHOTONIC NETWORK COMMUNICATIONS 13112 2% 3% 26
9 IET OPTOELECTRONICS 9953 1% 4% 15
10 DESIGNS CODES AND CRYPTOGRAPHY 5771 1% 1% 24

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA 3616176 13% 90% 219 Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+OCDMA Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+OCDMA
2 OPTICAL CODE DIVISION MULTIPLE ACCESS 1923063 7% 91% 115 Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS
3 OPTICAL ORTHOGONAL CODE 1686901 6% 90% 102 Search OPTICAL+ORTHOGONAL+CODE Search OPTICAL+ORTHOGONAL+CODE
4 OPTICAL CDMA 1574801 6% 90% 95 Search OPTICAL+CDMA Search OPTICAL+CDMA
5 SPECTRAL AMPLITUDE CODING SAC 807691 3% 96% 46 Search SPECTRAL+AMPLITUDE+CODING+SAC Search SPECTRAL+AMPLITUDE+CODING+SAC
6 OCDMA 662519 3% 80% 45 Search OCDMA Search OCDMA
7 OPTICAL ORTHOGONAL CODES OOCS 643145 2% 95% 37 Search OPTICAL+ORTHOGONAL+CODES+OOCS Search OPTICAL+ORTHOGONAL+CODES+OOCS
8 MULTIPLE ACCESS INTERFERENCE MAI 523792 4% 43% 67 Search MULTIPLE+ACCESS+INTERFERENCE+MAI Search MULTIPLE+ACCESS+INTERFERENCE+MAI
9 OPTICAL CODE DIVISION MULTIPLE ACCESS CDMA 493720 2% 84% 32 Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+CDMA Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+CDMA
10 OPTICAL CODE DIVISION MULTIPLEXING OCDM 463364 2% 90% 28 Search OPTICAL+CODE+DIVISION+MULTIPLEXING+OCDM Search OPTICAL+CODE+DIVISION+MULTIPLEXING+OCDM

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 1


rank cluster_id2 link
1 26545 POISSON CHANNEL//DISCRETE TIME POISSON CHANNEL//DIRECT DETECTION PHOTON CHANNEL
2 12614 GROUP DIVISIBLE DESIGN//PAIRWISE BALANCED DESIGN//GROUP DIVISIBLE DESIGNS
3 10199 FREQUENCY HOPPING SEQUENCES//ZERO CORRELATION ZONE//LINEAR COMPLEXITY
4 21055 HOMODYNE CROSSTALK//OPTICAL CROSS CONNECT//BIDIRECTIONAL TRANSMISSION
5 6516 SEMICONDUCTOR OPTICAL AMPLIFIER//KOLAGHAT THERMAL POWER STN//ALL OPTICAL LOGIC GATE
6 4184 OPTICAL BURST SWITCHING//OPTICAL PACKET SWITCHING//OPTICAL BURST SWITCHING OBS
7 2899 PASSIVE OPTICAL NETWORK//PASSIVE OPTICAL NETWORK PON//DYNAMIC BANDWIDTH ALLOCATION DBA
8 37587 MULTIUSER CODE//ADDER CHANNEL//MULTIPLE ACCESS ADDER CHANNEL
9 16380 FREQUENCY HOP COMMUNICATION//FREQUENCY HOPPING//MULTITONE JAMMING
10 5746 GRATINGS IN FIBERS//FIBER BRAGG GRATING//DISPERSION COMPENSATION

Go to start page