Class information for:
Level 1: CODE ACQUISITION//MEAN ACQUISITION TIME//PN CODE ACQUISITION

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
14546 1                   CODE ACQUISITION//MEAN ACQUISITION TIME//PN CODE ACQUISITION 792

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CODE ACQUISITION authKW 1865366 8% 76% 62
2 MEAN ACQUISITION TIME authKW 322318 1% 90% 9
3 PN CODE ACQUISITION authKW 320987 1% 73% 11
4 CODE TRACKING authKW 284227 1% 71% 10
5 PSEUDO NOISE PN SEQUENCE authKW 254669 1% 80% 8
6 INITIAL SYNCHRONIZATION authKW 243728 1% 88% 7
7 PSEUDONOISE PN CODE ACQUISITION authKW 198963 1% 100% 5
8 SPREAD SPECTRUM COMMUNICATION authKW 195516 5% 12% 41
9 CELL SEARCH authKW 175534 2% 29% 15
10 DIRECT SEQUENCE SPREAD SPECTRUM DS SS authKW 169632 1% 47% 9

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Telecommunications 40361 60% 0% 477
2 Engineering, Electrical & Electronic 16868 84% 0% 662
3 Transportation Science & Technology 1967 6% 0% 51
4 Engineering, Aerospace 986 6% 0% 44
5 Computer Science, Information Systems 147 4% 0% 33
6 Computer Science, Hardware & Architecture 124 3% 0% 20
7 Remote Sensing 104 2% 0% 14
8 Automation & Control Systems 103 3% 0% 22
9 Engineering, Marine 86 1% 0% 5
10 Operations Research & Management Science 37 2% 0% 16

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CCS GREEN TRANSPORTAT 139267 1% 50% 7
2 S INTEGRATED MICROSYST 119378 0% 100% 3
3 OPT INTERNET WIRELESS INFORMAT NETWORKS 53055 0% 67% 2
4 POSIT LOCAT NAV GRP 51158 0% 43% 3
5 CELLULAR SUBSCRIBER SECTOR 39793 0% 100% 1
6 COINNOVAT AEROSP BROADBAND NETWORK TECHNOL 39793 0% 100% 1
7 COM ELEC 39793 0% 100% 1
8 COMMUN 418 39793 0% 100% 1
9 COMMUN NAV KN 39793 0% 100% 1
10 COMMUN PLATFORM RD 39793 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON COMMUNICATIONS 58323 15% 1% 120
2 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 12635 6% 1% 50
3 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 10844 5% 1% 39
4 IEICE TRANSACTIONS ON COMMUNICATIONS 10614 6% 1% 48
5 IET RADAR SONAR AND NAVIGATION 7438 2% 1% 15
6 NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION 7359 1% 4% 5
7 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 6436 4% 0% 34
8 IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS 5956 3% 1% 26
9 JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS 5896 2% 1% 15
10 GPS SOLUTIONS 5189 1% 1% 9

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CODE ACQUISITION 1865366 8% 76% 62 Search CODE+ACQUISITION Search CODE+ACQUISITION
2 MEAN ACQUISITION TIME 322318 1% 90% 9 Search MEAN+ACQUISITION+TIME Search MEAN+ACQUISITION+TIME
3 PN CODE ACQUISITION 320987 1% 73% 11 Search PN+CODE+ACQUISITION Search PN+CODE+ACQUISITION
4 CODE TRACKING 284227 1% 71% 10 Search CODE+TRACKING Search CODE+TRACKING
5 PSEUDO NOISE PN SEQUENCE 254669 1% 80% 8 Search PSEUDO+NOISE+PN+SEQUENCE Search PSEUDO+NOISE+PN+SEQUENCE
6 INITIAL SYNCHRONIZATION 243728 1% 88% 7 Search INITIAL+SYNCHRONIZATION Search INITIAL+SYNCHRONIZATION
7 PSEUDONOISE PN CODE ACQUISITION 198963 1% 100% 5 Search PSEUDONOISE+PN+CODE+ACQUISITION Search PSEUDONOISE+PN+CODE+ACQUISITION
8 SPREAD SPECTRUM COMMUNICATION 195516 5% 12% 41 Search SPREAD+SPECTRUM+COMMUNICATION Search SPREAD+SPECTRUM+COMMUNICATION
9 CELL SEARCH 175534 2% 29% 15 Search CELL+SEARCH Search CELL+SEARCH
10 DIRECT SEQUENCE SPREAD SPECTRUM DS SS 169632 1% 47% 9 Search DIRECT+SEQUENCE+SPREAD+SPECTRUM+DS+SS Search DIRECT+SEQUENCE+SPREAD+SPECTRUM+DS+SS

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 13769 UNAMBIGUOUS TRACKING//MULTIPATH MITIGATION//MBOC
2 29379 FRAME SYNCHRONIZATION//BLIND RECOGNITION//BLIND FRAME SYNCHRONIZATION
3 16380 FREQUENCY HOP COMMUNICATION//FREQUENCY HOPPING//MULTITONE JAMMING
4 2161 MULTIUSER DETECTION//CODE DIVISION MULTIPLE ACCESS CDMA//CDMA
5 32093 M ARY SS//M ARY SPREAD SPECTRUM COMMUNICATION SYSTEM//RACING COUNTERS
6 7000 ULTRA WIDEBAND UWB//ULTRA WIDEBAND//IMPULSE RADIO
7 2506 POWER CONTROL//CDMA//DS CDMA
8 30398 RADIO HIGHWAY NETWORKS//CHIRP MULTIPLEXING TRANSFORM//GROUP DEMODULATOR
9 17102 BIT TIMING RECOVERY//CARRIER SYNCHRONIZATION//CARRIER RECOVERY
10 33516 CHIP INTERLEAVING//SELF ENCODED SPREAD SPECTRUM//PETER KIEWIT INFORMAT SCI TECHNOL ENGN

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