Journal profile · Engineering, Electrical & Electronic
IEEE Signal Processing Letters
ISSN 1070-9908 · eISSN 1558-2361 · Institute of Electrical and Electronics Engineers Inc. · UNITED STATES · Monthly
IEEE Signal Processing Letters: CAS Zone 3 · Computer Science (2025 upgraded edition); impact factor 3.56; subscription journal; APC about USD 2,645; review about 2.7 months (community reports); community-reported acceptance: 80%; 891 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
IEEE Signal Processing Letters is published by Institute of Electrical and Electronics Engineers Inc. and is in Zone 3 of Computer Science in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Speech and Audio Processing, Image and Signal Denoising Methods and Blind Source Separation Techniques, together about 27.3% of its articles. Its main subfields are Signal Processing. (generated from OpenAlex topic counts and CAS ranking data)
The IEEE Signal Processing Letters is an archival publication designed to provide rapid dissemination of original, cutting-edge ideas and timely, significant contributions in signal, image, speech, language and audio processing.
From the journal's Aims & Scope
Research area (LetPub): Engineering, Electrical & Electronic
Main research topics OpenAlex counts of recent articles; shares are approximate
- Speech and Audio ProcessingComputer Science10.7%
- Image and Signal Denoising MethodsComputer Science8.4%
- Blind Source Separation TechniquesComputer Science8.3%
- Advanced Adaptive Filtering TechniquesEngineering7%
- Sparse and Compressive Sensing TechniquesEngineering5.4%
- Direction-of-Arrival Estimation TechniquesComputer Science4.1%
- Speech Recognition and SynthesisComputer Science3.9%
- Diverse Scientific and Economic StudiesEconomics, Econometrics and Finance3.8%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Engineering, Electrical & Electronic | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Engineering, Electrical & Electronic | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Electrical & Electronic | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 3.56LetPub ·
- Impact factor (publisher)
- 3.6Publisher website ·
- CiteScore 2026-06
- 6.3LetPub ·
- CiteScore (publisher)
- 6.3Publisher website ·
- SJR 2026-06
- 0.78LetPub ·
- SNIP 2026-06
- 1.25LetPub ·
- h-index
- 118LetPub ·
- h-index
- 183OpenAlex ·
- i10-index
- 5,267OpenAlex ·
- 2-year mean citedness
- 3.2OpenAlex ·
- Self-citation rate
- 16.7%LetPub ·
- Share of gold OA articles
- 2.9%LetPub ·
Volume
- Articles per year
- 889LetPub ·
Articles by year OpenAlex count · 11,228 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 719 | 71 | 152 |
| 2025 | 891 | 76 | 2,392 |
| 2024 | 697 | 91 | 4,843 |
| 2023 | 434 | 89 | 5,862 |
| 2022 | 456 | 99 | 7,959 |
| 2021 | 509 | 136 | 11,542 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 2.7 monthsLetPub ·
- Average acceptance (community reports)
- 80%LetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Subscription journalLetPub
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 2,645 | — | — | |
| Publisher website | USD 2,800 | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Monthly
- ISSN
- 1070-9908
- Electronic ISSN
- 1558-2361
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
FAQ
Frequently asked questions about IEEE Signal Processing Letters
What CAS zone is IEEE Signal Processing Letters in?
In the 2025 upgraded edition of the CAS Journal Ranking, IEEE Signal Processing Letters is in Zone 3 of Computer Science, and in Zone 3 of the minor category Engineering, Electrical & Electronic. In the 2026 Xinrui edition it is in Zone 3 of Computer Science. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of IEEE Signal Processing Letters?
The latest impact factor listed by LetPub is 3.56; CiteScore 6.3, h-index 183.
How long does peer review take at IEEE Signal Processing Letters?
Authors report an average review time of about 2.7 months; the community-reported acceptance is “80%”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index IEEE Signal Processing Letters?
According to LetPub and DOAJ records, IEEE Signal Processing Letters is indexed in SCIE and Scopus.
Is IEEE Signal Processing Letters open access, and what is the APC?
IEEE Signal Processing Letters is a subscription journal. APC about USD 2,645.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .