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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5213 1655 16.6 68%


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
10 4 OPTICS//PHYSICS, PARTICLES & FIELDS//PHYSICS, MULTIDISCIPLINARY 1131262
185 3       IEEE PHOTONICS TECHNOLOGY LETTERS//OPTICS//JOURNAL OF LIGHTWAVE TECHNOLOGY 56126
2090 2             VISIBLE LIGHT COMMUNICATION//OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA//FREE SPACE OPTICAL COMMUNICATION 5193
5213 1                   OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA//OPTICAL CODE DIVISION MULTIPLE ACCESS//OPTICAL ORTHOGONAL CODE 1655

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 OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA authKW 3650081 13% 91% 217
2 OPTICAL CODE DIVISION MULTIPLE ACCESS authKW 1881442 7% 91% 112
3 OPTICAL ORTHOGONAL CODE authKW 1674199 6% 92% 99
4 OPTICAL CDMA authKW 1616481 6% 92% 95
5 SPECTRAL AMPLITUDE CODING SAC authKW 759922 3% 94% 44
6 OCDMA authKW 704864 3% 85% 45
7 OPTICAL ORTHOGONAL CODES OOCS authKW 647591 2% 95% 37
8 MULTIPLE ACCESS INTERFERENCE MAI authKW 530795 4% 43% 67
9 OPTICAL CODE DIVISION MULTIPLE ACCESS CDMA authKW 528691 2% 87% 33
10 PHASE INDUCED INTENSITY NOISE PIIN authKW 482121 2% 93% 28

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 39509 41% 0% 677
2 Optics 28907 55% 0% 904
3 Engineering, Electrical & Electronic 18942 62% 0% 1023
4 Computer Science, Information Systems 2011 10% 0% 158
5 Computer Science, Hardware & Architecture 793 4% 0% 69
6 Physics, Applied 377 13% 0% 208
7 Mathematics 148 6% 0% 94
8 Computer Science, Theory & Methods 64 2% 0% 40
9 Mathematics, Applied 55 4% 0% 61
10 COMPUTER APPLICATIONS & CYBERNETICS 24 0% 0% 2

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 ULTRAFAST PHOTON NETWORK GRP 148234 1% 54% 15
2 ONRL 120744 1% 55% 12
3 PHOTON NETWORK GRP 102164 1% 46% 12
4 MICRO ENGN NANOELECT 69531 0% 54% 7
5 KEY INFORMAT CODING TRANSMISS 66410 0% 60% 6
6 COMMUN WIRELESS NETWORKS GRP 55346 0% 100% 3
7 TELECOMMUN PROGRAM 48695 1% 20% 13
8 INFORMAT NETWORK SYST 43038 0% 33% 7
9 OPT NETWORK ARCHITECTURE 41508 0% 75% 3
10 NEW GENERAT NETWORK 41496 1% 25% 9

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 JOURNAL OF LIGHTWAVE TECHNOLOGY 85891 14% 2% 236
2 OPTICAL FIBER TECHNOLOGY 28541 3% 4% 42
3 IEEE PHOTONICS TECHNOLOGY LETTERS 28372 10% 1% 158
4 IEEE TRANSACTIONS ON COMMUNICATIONS 25324 7% 1% 115
5 JOURNAL OF OPTICAL NETWORKING 20633 1% 6% 20
6 JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING 19947 2% 3% 33
7 JOURNAL OF COMBINATORIAL DESIGNS 14160 1% 3% 24
8 PHOTONIC NETWORK COMMUNICATIONS 9090 1% 2% 21
9 IET OPTOELECTRONICS 6841 1% 3% 12
10 DESIGNS CODES AND CRYPTOGRAPHY 4681 1% 1% 21

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 OPTICAL CODE DIVISION MULTIPLE ACCESS OCDMA 3650081 13% 91% 217 Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+OCDMA Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+OCDMA
2 OPTICAL CODE DIVISION MULTIPLE ACCESS 1881442 7% 91% 112 Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS
3 OPTICAL ORTHOGONAL CODE 1674199 6% 92% 99 Search OPTICAL+ORTHOGONAL+CODE Search OPTICAL+ORTHOGONAL+CODE
4 OPTICAL CDMA 1616481 6% 92% 95 Search OPTICAL+CDMA Search OPTICAL+CDMA
5 SPECTRAL AMPLITUDE CODING SAC 759922 3% 94% 44 Search SPECTRAL+AMPLITUDE+CODING+SAC Search SPECTRAL+AMPLITUDE+CODING+SAC
6 OCDMA 704864 3% 85% 45 Search OCDMA Search OCDMA
7 OPTICAL ORTHOGONAL CODES OOCS 647591 2% 95% 37 Search OPTICAL+ORTHOGONAL+CODES+OOCS Search OPTICAL+ORTHOGONAL+CODES+OOCS
8 MULTIPLE ACCESS INTERFERENCE MAI 530795 4% 43% 67 Search MULTIPLE+ACCESS+INTERFERENCE+MAI Search MULTIPLE+ACCESS+INTERFERENCE+MAI
9 OPTICAL CODE DIVISION MULTIPLE ACCESS CDMA 528691 2% 87% 33 Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+CDMA Search OPTICAL+CODE+DIVISION+MULTIPLE+ACCESS+CDMA
10 PHASE INDUCED INTENSITY NOISE PIIN 482121 2% 93% 28 Search PHASE+INDUCED+INTENSITY+NOISE+PIIN Search PHASE+INDUCED+INTENSITY+NOISE+PIIN

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 SALEHI, JA , (2007) EMERGING OCDMA COMMUNICATION SYSTEMS AND DATA NETWORKS [INVITED].JOURNAL OF OPTICAL NETWORKING. VOL. 6. ISSUE 9. P. 1138 -1178 96 86% 40
2 WANG, XM , CHANG, YX , FENG, T , (2013) OPTIMAL 2-D (N X M, 3, 2, 1)-OPTICAL ORTHOGONAL CODES.IEEE TRANSACTIONS ON INFORMATION THEORY. VOL. 59. ISSUE 1. P. 710-725 52 100% 4
3 OMRANI, R , GARG, G , KUMAR, PV , ELIA, P , BHAMBHANI, P , (2012) LARGE FAMILIES OF ASYMPTOTICALLY OPTIMAL TWO-DIMENSIONAL OPTICAL ORTHOGONAL CODES.IEEE TRANSACTIONS ON INFORMATION THEORY. VOL. 58. ISSUE 2. P. 1163 -1185 52 88% 14
4 FENG, T , CHANG, YX , (2011) COMBINATORIAL CONSTRUCTIONS FOR OPTIMAL TWO-DIMENSIONAL OPTICAL ORTHOGONAL CODES WITH LAMBDA=2.IEEE TRANSACTIONS ON INFORMATION THEORY. VOL. 57. ISSUE 10. P. 6796-6819 49 91% 8
5 JIANG, J , WU, DH , LEE, MH , (2013) SOME INFINITE CLASSES OF OPTIMAL (V, {3, 4}, 1, Q)-OOCS WITH Q IS AN ELEMENT OF {(1/3,2/3), (2/3,1/3)}.GRAPHS AND COMBINATORICS. VOL. 29. ISSUE 6. P. 1795-1811 38 97% 1
6 WANG, JM , SHAN, XL , YIN, JX , (2010) ON CONSTRUCTIONS FOR OPTIMAL TWO-DIMENSIONAL OPTICAL ORTHOGONAL CODES.DESIGNS CODES AND CRYPTOGRAPHY. VOL. 54. ISSUE 1. P. 43 -60 39 98% 12
7 BURATTI, M , WEI, YE , WU, DH , FAN, PZ , CHENG, MQ , (2011) RELATIVE DIFFERENCE FAMILIES WITH VARIABLE BLOCK SIZES AND THEIR RELATED OOCS.IEEE TRANSACTIONS ON INFORMATION THEORY. VOL. 57. ISSUE 11. P. 7489-7497 36 97% 8
8 LIU, Y , WU, DH , (2013) CONSTRUCTIONS OF OPTIMAL VARIABLE-WEIGHT OOCS VIA QUADRATIC RESIDUES.FRONTIERS OF MATHEMATICS IN CHINA. VOL. 8. ISSUE 4. P. 869-890 35 97% 1
9 LIN, YT , YANG, GC , CHANG, CY , KWONG, WC , (2015) DESIGN AND ANALYSIS OF ASYNCHRONOUS INCOHERENT OPTICAL-CDMA SYSTEMS USING A NEW CODE-SHIFTING TECHNIQUE.IEEE TRANSACTIONS ON COMMUNICATIONS. VOL. 63. ISSUE 7. P. 2619 -2631 33 97% 0
10 WANG, LD , CHANG, YX , (2014) BOUNDS AND CONSTRUCTIONS ON (V, 4, 3, 2) OPTICAL ORTHOGONAL CODES.JOURNAL OF COMBINATORIAL DESIGNS. VOL. 22. ISSUE 11. P. 453 -472 33 97% 0

Classes with closest relation at Level 1


Rank Class id link
1 22921 POISSON CHANNEL//ULTRAVIOLET COMMUNICATION//DIRECT DETECTION PHOTON CHANNEL
2 8174 DISPERSION COMPENSATION//GRATINGS IN FIBERS//FIBER BRAGG GRATING
3 2940 OPTICAL BURST SWITCHING//OPTICAL PACKET SWITCHING//OPTICAL BURST SWITCHING OBS
4 3168 PASSIVE OPTICAL NETWORK//PASSIVE OPTICAL NETWORK PON//DYNAMIC BANDWIDTH ALLOCATION DBA
5 3470 JOURNAL OF COMBINATORIAL DESIGNS//GROUP DIVISIBLE DESIGN//G DESIGN
6 17870 HOMODYNE CROSSTALK//OPTICAL CROSSTALK//BIDIRECTIONAL TRANSMISSION
7 36243 STEINHAUS GRAPH//DUCCI SEQUENCES//STEINHAUS TRIANGLE
8 8249 KOLAGHAT THERMAL POWER STN//ALL OPTICAL LOGIC GATE//SEMICONDUCTOR OPTICAL AMPLIFIER
9 17380 FREQUENCY HOP COMMUNICATION//FREQUENCY HOPPING//MULTITONE JAMMING
10 11693 ZERO CORRELATION ZONE//FREQUENCY HOPPING SEQUENCES//HAMMING CORRELATION

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