International Journal of Communication Systems

The International Journal of Communication Systems provides a forum for R&D, open to researchers from all types of institutions and organisations worldwide, aimed at the increasingly important area of communication technology. The Journal's emphasis is particularly on the issues impacting behaviour at the system, service and management levels. Published twelve times a year, it provides coverage of advances that have a significant potential to impact the immense technical and commercial opportunities in the communications sector. The International Journal of Communication Systems strives to select a balance of contributions that promotes technical innovation allied to practical relevance across the range of system types and issues. The Journal addresses both public communication systems (Telecommunication, mobile, Internet, and Cable TV) and private systems (Intranets, enterprise networks, LANs, MANs, WANs). The following key areas and issues are regularly covered: -Transmission/Switching/Distribution technologies (ATM, SDH, TCP/IP, routers, DSL, cable modems, VoD, VoIP, WDM, etc.) -System control, network/service management -Network and Internet protocols and standards -Client-server, distributed and Web-based communication systems -Broadband and multimedia systems and applications, with a focus on increased service variety and interactivity -Trials of advanced systems and services; their implementation and evaluation -Novel concepts and improvements in technique; their theoretical basis and performance analysis using measurement/testing, modelling and simulation -Performance evaluation issues and methods.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Computer Networks and Communications	1999	Q3
Computer Networks and Communications	2000	Q4
Computer Networks and Communications	2001	Q3
Computer Networks and Communications	2002	Q3
Computer Networks and Communications	2003	Q3
Computer Networks and Communications	2004	Q3
Computer Networks and Communications	2005	Q3
Computer Networks and Communications	2006	Q3
Computer Networks and Communications	2007	Q3
Computer Networks and Communications	2008	Q3
Computer Networks and Communications	2009	Q3
Computer Networks and Communications	2010	Q3
Computer Networks and Communications	2011	Q3
Computer Networks and Communications	2012	Q3
Computer Networks and Communications	2013	Q2
Computer Networks and Communications	2014	Q2
Computer Networks and Communications	2015	Q2
Computer Networks and Communications	2016	Q2
Computer Networks and Communications	2017	Q2
Computer Networks and Communications	2018	Q3
Computer Networks and Communications	2019	Q3
Computer Networks and Communications	2020	Q3
Computer Networks and Communications	2021	Q2
Computer Networks and Communications	2022	Q2
Electrical and Electronic Engineering	1999	Q3
Electrical and Electronic Engineering	2000	Q3
Electrical and Electronic Engineering	2001	Q3
Electrical and Electronic Engineering	2002	Q3
Electrical and Electronic Engineering	2003	Q3
Electrical and Electronic Engineering	2004	Q3
Electrical and Electronic Engineering	2005	Q3
Electrical and Electronic Engineering	2006	Q2
Electrical and Electronic Engineering	2007	Q2
Electrical and Electronic Engineering	2008	Q3
Electrical and Electronic Engineering	2009	Q3
Electrical and Electronic Engineering	2010	Q3
Electrical and Electronic Engineering	2011	Q3
Electrical and Electronic Engineering	2012	Q2
Electrical and Electronic Engineering	2013	Q2
Electrical and Electronic Engineering	2014	Q2
Electrical and Electronic Engineering	2015	Q2
Electrical and Electronic Engineering	2016	Q2
Electrical and Electronic Engineering	2017	Q2
Electrical and Electronic Engineering	2018	Q2
Electrical and Electronic Engineering	2019	Q2
Electrical and Electronic Engineering	2020	Q2
Electrical and Electronic Engineering	2021	Q2
Electrical and Electronic Engineering	2022	Q2

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	0.146
2000	0.125
2001	0.219
2002	0.232
2003	0.191
2004	0.175
2005	0.231
2006	0.271
2007	0.243
2008	0.228
2009	0.248
2010	0.224
2011	0.224
2012	0.284
2013	0.482
2014	0.582
2015	0.522
2016	0.356
2017	0.326
2018	0.277
2019	0.327
2020	0.344
2021	0.517
2022	0.517

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	28
2000	39
2001	61
2002	53
2003	57
2004	56
2005	54
2006	63
2007	72
2008	71
2009	84
2010	88
2011	104
2012	108
2013	107
2014	291
2015	151
2016	166
2017	328
2018	310
2019	277
2020	407
2021	355
2022	371

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	0.160
Cites / Doc. (4 years)	2000	0.123
Cites / Doc. (4 years)	2001	0.328
Cites / Doc. (4 years)	2002	0.331
Cites / Doc. (4 years)	2003	0.276
Cites / Doc. (4 years)	2004	0.276
Cites / Doc. (4 years)	2005	0.581
Cites / Doc. (4 years)	2006	0.823
Cites / Doc. (4 years)	2007	0.978
Cites / Doc. (4 years)	2008	0.682
Cites / Doc. (4 years)	2009	0.712
Cites / Doc. (4 years)	2010	0.710
Cites / Doc. (4 years)	2011	0.876
Cites / Doc. (4 years)	2012	1.066
Cites / Doc. (4 years)	2013	1.586
Cites / Doc. (4 years)	2014	3.774
Cites / Doc. (4 years)	2015	2.385
Cites / Doc. (4 years)	2016	2.122
Cites / Doc. (4 years)	2017	2.201
Cites / Doc. (4 years)	2018	1.654
Cites / Doc. (4 years)	2019	1.707
Cites / Doc. (4 years)	2020	1.920
Cites / Doc. (4 years)	2021	2.096
Cites / Doc. (4 years)	2022	2.581
Cites / Doc. (3 years)	1999	0.160
Cites / Doc. (3 years)	2000	0.112
Cites / Doc. (3 years)	2001	0.343
Cites / Doc. (3 years)	2002	0.297
Cites / Doc. (3 years)	2003	0.294
Cites / Doc. (3 years)	2004	0.292
Cites / Doc. (3 years)	2005	0.693
Cites / Doc. (3 years)	2006	0.970
Cites / Doc. (3 years)	2007	0.740
Cites / Doc. (3 years)	2008	0.709
Cites / Doc. (3 years)	2009	0.718
Cites / Doc. (3 years)	2010	0.744
Cites / Doc. (3 years)	2011	0.794
Cites / Doc. (3 years)	2012	1.181
Cites / Doc. (3 years)	2013	1.777
Cites / Doc. (3 years)	2014	3.897
Cites / Doc. (3 years)	2015	2.219
Cites / Doc. (3 years)	2016	1.885
Cites / Doc. (3 years)	2017	2.176
Cites / Doc. (3 years)	2018	1.688
Cites / Doc. (3 years)	2019	1.745
Cites / Doc. (3 years)	2020	2.052
Cites / Doc. (3 years)	2021	2.303
Cites / Doc. (3 years)	2022	2.732
Cites / Doc. (2 years)	1999	0.164
Cites / Doc. (2 years)	2000	0.127
Cites / Doc. (2 years)	2001	0.358
Cites / Doc. (2 years)	2002	0.320
Cites / Doc. (2 years)	2003	0.202
Cites / Doc. (2 years)	2004	0.327
Cites / Doc. (2 years)	2005	0.796
Cites / Doc. (2 years)	2006	0.691
Cites / Doc. (2 years)	2007	0.778
Cites / Doc. (2 years)	2008	0.652
Cites / Doc. (2 years)	2009	0.692
Cites / Doc. (2 years)	2010	0.645
Cites / Doc. (2 years)	2011	0.919
Cites / Doc. (2 years)	2012	1.286
Cites / Doc. (2 years)	2013	1.745
Cites / Doc. (2 years)	2014	3.507
Cites / Doc. (2 years)	2015	1.671
Cites / Doc. (2 years)	2016	1.715
Cites / Doc. (2 years)	2017	2.013
Cites / Doc. (2 years)	2018	1.634
Cites / Doc. (2 years)	2019	1.870
Cites / Doc. (2 years)	2020	2.228
Cites / Doc. (2 years)	2021	2.301
Cites / Doc. (2 years)	2022	2.803

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	1
Self Cites	2000	0
Self Cites	2001	4
Self Cites	2002	4
Self Cites	2003	4
Self Cites	2004	3
Self Cites	2005	4
Self Cites	2006	3
Self Cites	2007	8
Self Cites	2008	4
Self Cites	2009	11
Self Cites	2010	12
Self Cites	2011	14
Self Cites	2012	53
Self Cites	2013	88
Self Cites	2014	687
Self Cites	2015	387
Self Cites	2016	277
Self Cites	2017	529
Self Cites	2018	129
Self Cites	2019	118
Self Cites	2020	193
Self Cites	2021	156
Self Cites	2022	190
Total Cites	1999	15
Total Cites	2000	10
Total Cites	2001	35
Total Cites	2002	38
Total Cites	2003	45
Total Cites	2004	50
Total Cites	2005	115
Total Cites	2006	162
Total Cites	2007	128
Total Cites	2008	134
Total Cites	2009	148
Total Cites	2010	169
Total Cites	2011	193
Total Cites	2012	326
Total Cites	2013	533
Total Cites	2014	1243
Total Cites	2015	1123
Total Cites	2016	1035
Total Cites	2017	1323
Total Cites	2018	1089
Total Cites	2019	1403
Total Cites	2020	1878
Total Cites	2021	2289
Total Cites	2022	2839

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	0.149
External Cites per document	2000	0.112
External Cites per document	2001	0.304
External Cites per document	2002	0.266
External Cites per document	2003	0.268
External Cites per document	2004	0.278
External Cites per document	2005	0.677
External Cites per document	2006	0.975
External Cites per document	2007	0.710
External Cites per document	2008	0.707
External Cites per document	2009	0.675
External Cites per document	2010	0.701
External Cites per document	2011	0.746
External Cites per document	2012	1.004
External Cites per document	2013	1.508
External Cites per document	2014	1.776
External Cites per document	2015	1.469
External Cites per document	2016	1.386
External Cites per document	2017	1.310
External Cites per document	2018	1.500
External Cites per document	2019	1.614
External Cites per document	2020	1.856
External Cites per document	2021	2.159
External Cites per document	2022	2.562
Cites per document	1999	0.160
Cites per document	2000	0.112
Cites per document	2001	0.343
Cites per document	2002	0.297
Cites per document	2003	0.294
Cites per document	2004	0.292
Cites per document	2005	0.693
Cites per document	2006	0.970
Cites per document	2007	0.740
Cites per document	2008	0.709
Cites per document	2009	0.718
Cites per document	2010	0.744
Cites per document	2011	0.794
Cites per document	2012	1.181
Cites per document	2013	1.777
Cites per document	2014	3.897
Cites per document	2015	2.219
Cites per document	2016	1.885
Cites per document	2017	2.176
Cites per document	2018	1.688
Cites per document	2019	1.745
Cites per document	2020	2.052
Cites per document	2021	2.303
Cites per document	2022	2.732

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	28.57
2000	38.46
2001	14.75
2002	24.53
2003	15.79
2004	17.86
2005	25.93
2006	30.16
2007	16.67
2008	15.49
2009	20.24
2010	23.86
2011	25.00
2012	24.07
2013	19.63
2014	21.99
2015	21.85
2016	25.30
2017	24.39
2018	23.23
2019	25.63
2020	23.10
2021	18.31
2022	18.87

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	0
Non-citable documents	2004	2
Non-citable documents	2005	2
Non-citable documents	2006	4
Non-citable documents	2007	4
Non-citable documents	2008	5
Non-citable documents	2009	3
Non-citable documents	2010	3
Non-citable documents	2011	3
Non-citable documents	2012	4
Non-citable documents	2013	5
Non-citable documents	2014	6
Non-citable documents	2015	5
Non-citable documents	2016	2
Non-citable documents	2017	2
Non-citable documents	2018	5
Non-citable documents	2019	8
Non-citable documents	2020	7
Non-citable documents	2021	6
Non-citable documents	2022	5
Citable documents	1999	94
Citable documents	2000	89
Citable documents	2001	102
Citable documents	2002	128
Citable documents	2003	153
Citable documents	2004	169
Citable documents	2005	164
Citable documents	2006	163
Citable documents	2007	169
Citable documents	2008	184
Citable documents	2009	203
Citable documents	2010	224
Citable documents	2011	240
Citable documents	2012	272
Citable documents	2013	295
Citable documents	2014	313
Citable documents	2015	501
Citable documents	2016	547
Citable documents	2017	606
Citable documents	2018	640
Citable documents	2019	796
Citable documents	2020	908
Citable documents	2021	988
Citable documents	2022	1034

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	82
Uncited documents	2000	80
Uncited documents	2001	78
Uncited documents	2002	102
Uncited documents	2003	122
Uncited documents	2004	138
Uncited documents	2005	107
Uncited documents	2006	104
Uncited documents	2007	100
Uncited documents	2008	111
Uncited documents	2009	127
Uncited documents	2010	144
Uncited documents	2011	151
Uncited documents	2012	138
Uncited documents	2013	103
Uncited documents	2014	43
Uncited documents	2015	174
Uncited documents	2016	194
Uncited documents	2017	177
Uncited documents	2018	255
Uncited documents	2019	321
Uncited documents	2020	341
Uncited documents	2021	311
Uncited documents	2022	291
Cited documents	1999	12
Cited documents	2000	9
Cited documents	2001	24
Cited documents	2002	26
Cited documents	2003	31
Cited documents	2004	33
Cited documents	2005	59
Cited documents	2006	63
Cited documents	2007	73
Cited documents	2008	78
Cited documents	2009	79
Cited documents	2010	83
Cited documents	2011	92
Cited documents	2012	138
Cited documents	2013	197
Cited documents	2014	276
Cited documents	2015	332
Cited documents	2016	355
Cited documents	2017	431
Cited documents	2018	390
Cited documents	2019	483
Cited documents	2020	574
Cited documents	2021	683
Cited documents	2022	748