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Funding and advertised pay are reported in USD; filed accounts retain their stated source currency and basis.

Exchange-rate basis

Indicative conversions use ECB reference rates dated 2026-09-14, applied consistently across all periods. They are not historical exchange rates. Indian rupees may use crore (1 crore = 10 million); other currencies use K, M and B. CSV downloads, source documents and quoted news headlines retain their original currencies.

THE SPAIN EDITION 2026

Spain’s
telecom industry,
in focus.

The companies, capital and talent shaping telecom in Spain. Find the leaders. Understand the segments. See where the activity is.

Explore in Radar Read the key signals
Snapshot: Funding in USD
Illustrated cover for Telecom Industry Landscape of Spain
ES
COMPANIES · CAPITAL · TALENT

An industry ecosystem,
measured in context.

Telecom illustration
Companies tracked 523Telecom ecosystem in Spain Disclosed funding $5.04B39 companies · all recorded rounds Companies hiring 16With open roles at the snapshot Tracked open roles 231 employers posted in the preceding 30 days
MEET THE COMPANIES

Explore Spain’s telecom leaders

24 featured companies from the funding, hiring, revenue and team-size leaderboards.

Expand panel +
Explore the full landscape
Telecom company highlights in Spain, snapshot 2 September 2026
Company
MasMovilmasmovil.es$2.88B—207—
Adamoadamo.es$842.02M—300—
Cellnex Telecomcellnextelecom.com$483.76M—3,015—
Skyway Towersskywaytowers.com$410M—15—
Pareteumpareteum.com$141.98M—268—
Foncorp.fon.com$78.21M———
Asteo Red Neutraasteo.es$51.5M—16—
AXESSaxessnet.com$42.87M—186—
Holaflyesim.holafly.com—3 roles——
Treefonetreefone.com—3 roles——
CommCentercommcenter.es—2 roles705—
MASORANGEmasorange.es—2 roles——
OFGofg.es—2 roles1,450—
DIGIdigimobil.es—1 roles7,000—
Matrix Electronicamatrix.es—1 roles——
Satlinksatlink.es—1 roles186—
Ampergrupoamper.com——3,487—
Cellnexcellnex.com——101—
Euskalteleuskaltel.com——2,700—
Ezentisezentis.com——1,265—
Finetworkfinetwork.com——333—
Holafly (Telecommunications Service Providers)holafly.com——119—
Telefonicatelefonica.com——122,718—
Telefonica Movilestelefonicamoviles.com——22,600—
24 featured companies

Locked revenue figures are available in Radar; the eight company financial previews stay the same throughout this page. A dash means the figure is outside these featured lists. Revenue years vary by company; the figures are not a like-for-like revenue comparison. Compare annual accounts ↗

Company discovery

Recorded evidence only

Explore the live startup set in Radar

No company example met every recorded classification, independence and public-profile gate in this snapshot. The live directory may have newer qualifying companies.

Explore classified startups in Radar ↗
THE KEY SIGNALS

Telecom industry KPIs in Spain

A few useful ratios bring the size of this ecosystem into perspective.

2 September 2026
Hiring participation3.1%

16 of 523 tracked companies have open roles.

Funding participation9.0%

47 of 523 tracked companies have a recorded round.

Top 3 funding share83.4%

Share of disclosed capital received by the three largest recorded recipients.

Median disclosed round$561.7K

Midpoint of 99 rounds with a disclosed amount.

Scale is concentrated. Opportunity is broader. The three largest funding recipients hold 83.4% of disclosed capital, while 91.0% of tracked companies have no recorded funding round.

Explore the segments →
CAPITAL & COMPANY FORMATION

How Spain telecom has grown

Recorded company formation and disclosed funding across the complete annual series shown.

Expand panel +
2016 — 2025

Disclosed funding by year

Sum of recorded funding rounds · USD

Spain telecom
$0$549.16M$1.1B$1.65B$2.2B2016: $189.85M20162017: $153M20172018: $1.35B20182019: $1.93B20192020: $404.15M20202021: $11.28M20212022: $14.95M20222023: $396.92M20232024: $206.19M20242025: $54.06M2025
View the numbers
Annual telecom funding and company formation in Spain
YearFunding (USD)FoundedRaising
2016$189.85M177
2017$153M1913
2018$1.35B1913
2019$1.93B169
2020$404.15M1412
2021$11.28M107
2022$14.95M136
2023$396.92M38
2024$206.19M25
2025$54.06M02
WHERE CAPITAL SITS

Funding concentration

Share of all disclosed company funding.

  • MasMovil57.1%
  • Adamo16.7%
  • Cellnex Telecom9.6%
  • Other companies16.6%

Funding by stage

117 recorded rounds since 2016

NUMBER OF ROUNDS
Seed & Angel12 10.3%
Series A–B15 12.8%
Series C+ / PE2 1.7%
Grants, debt & other88 75.2%

Recent recorded rounds

Latest recorded rounds · USD
0 rounds

Swipe or scroll horizontally to browse.

Largest and notable recorded rounds

Each card is one recorded round
10 cards

Swipe or scroll horizontally to browse.

Series B02/2022
Meduxmedux.com$8.35M

Backed by BTS Telecommunications and Inveready.

THE BUSINESS BEHIND THE ACTIVITY

Revenue, profitability & financial strength

Expand panel +

Annual accounts availability

No reviewed exact national-ID connector has yet been qualified for Spain; this is a checked implementation boundary, not evidence that filings are absent.; No reviewed exact national-ID connector has yet been qualified for Spain; this is a checked implementation boundary, not evidence that filings are absent.

DIGITAL FOOTPRINT

Web traffic, app reach and release cadence

How the Spain companies on this page show up online: the sites people visit, the apps they install, and how often those apps ship.

Busiest websites

21 of the 523 companies on this page carry a measured traffic record (4%); these are the largest of those, by monthly visits. The median among them is 1,300,856 visits.

CompanyMonthly visitsAuthorityMobile
Movistarmovistar.es7,017,2877375.2%
Orange Spainorange.es6,625,2756970.5%
DIGIdigimobil.es5,650,0515779.1%
Holafly (Telecommunications Service Providers)holafly.com5,470,7266270.7%
Vodafone Spainvodafone.es5,220,5146873.8%
Jazzteljazztel.com3,167,4254887.6%
Yoigoyoigo.com2,365,8685182.6%
MasMovilmasmovil.es2,039,5685779.2%
O2 Onlineo2online.es2,025,7695278.8%
Lowilowi.es1,638,2075181.5%

Visits and authority are third-party web estimates, not company-reported figures.

Most-installed apps

85 of these companies (16.3%) publish at least one Android app — 180 apps in all, carrying 129.7M installs between them.

AppInstallsRatingStore category
Numero: Number - Data - CallNumero eSIM22.4M4.1Communication
Mi VodafoneVodafone Spain16.6M3.4Communication
Mi MovistarMovistar13.7M4Communication
Mi OrangeOrange Spain11.3M4Tools
Blood Pressure App: Bp MonitorBEEZTEL10.1M2.8Medical
Holafly eSIM: Unlimited DataHolafly (Telecommunications Service Providers)5.1M4.6Travel & Local
Orange TVOrange Spain4.6M3.9Entertainment
Mi Yoigo - Área de clienteYoigo3.6M4.2Communication
Vodafone TVVodafone Spain3.4M3Entertainment
JazztelJazztel3.3M4.1Communication

Installs are lifetime totals to date at the June 2026 store reading — a measure of reach, not of people using an app today.

App reach by segment

The busiest app inside each of this page’s own segments, with the quarterly release trend behind it (2023Q4–2026Q2).

SegmentAppsInstallsLeading appRelease trend
Telecom Operators138120.7MNumero: Number - Data - Call 22.4M
Oss & Bss43.1MMobile Data Consumption 2M
Telecom End User Equipment And Services282.9MUnlock your Phone via IMEI 1.4M
Mobile Vas22.3MTuenti AR, gigas en tu celu 2.3M
Telecom Infrastructure5661.8KHM Hospitales 644.3K
Telecom Infrastructure Tech49.7KTriton 5.7K
Enterprise Networking2690PandoraFMS Web Console 644

A company can carry several segment tags, so these rows overlap and should not be added together. Trend lines are zero-based and share one quarter grid, so a flat line is a quiet segment, not a missing one.

Release cadence by quarter

New apps published, beside apps whose most recent update landed in that quarter — the second bar is how much of the shelf is still being maintained.

2022Q4: 12022Q4: 02022Q42023Q2: 22023Q2: 02023Q22023Q3: 22023Q3: 22023Q32023Q4: 12023Q4: 42023Q42024Q1: 42024Q1: 62024Q12024Q2: 12024Q2: 22024Q22024Q3: 22024Q3: 42024Q32025Q1: 32025Q1: 52025Q12025Q2: 32025Q2: 82025Q22025Q3: 12025Q3: 142025Q32025Q4: 22025Q4: 222025Q42026Q1: 12026Q1: 222026Q1

Darker bars are new releases, lighter bars apps updated. 79 of 180 apps carry a release date. The series ends at 2026Q1, the last quarter that closed before the June 2026 reading.

INSIDE THE INDUSTRY

The Spain telecom market map

Explore the segments behind the headline numbers.

Expand panel +

Where companies are building

Rank segments by scale, hiring or disclosed funding.

Enterprise tech49
Enterprise software29
Saas13
5g enablers10
Deep tech7
Software defined networking (sdn)5
Consumer digital5

Companies can sit in several segments. Counts and funding overlap.

SEGMENT TO EXPLORE

Enterprise tech

The largest measured segment in this report snapshot.

49companies
10.2%have hiring activity

5 companies hiring · $274.13M disclosed funding

Explore in Radar

How companies make money

Common revenue models; a company can use more than one.

Fee-for-service228
Subscription190
E-commerce - service158
Commission on transaction137
Advertising94
Physical commerce49
E-commerce - product39
Licensing3
THE COMPANIES IN MOTION

Who is listing, hiring leaders, launching and winning work

Recorded corporate activity linked to companies in this landscape.

Expand panel +
Recent corporate headlines 10 dated reports
Funding roundslyntia.com ↗

Macquarie Asset Management (Macquarie), on behalf of its institutional clients and managed funds, has provided €125 million in senior term loan financing to lyntia, a leading neutral wholesale telecommunications infrastructure operator in the Iberian Peninsula.

Mergers & acquisitionscellnex.com ↗

Cellnex entered the Swiss market back in 2017, when it acquired Sunrise subsidiary, Swiss Towers, for €430 million ($506m).

Mergers & acquisitionstelefonica.com ↗

The Spanish telecom group Telefonica is in talks with 1&1, a subsidiary of United Internet, about a takeover. The purchase price is therefore to be between 4.5 and 5 billion euros.

Funding roundsezentis.com ↗

Ezentis has issued a new tranche of 220 convertible bonds, of 5,000 euros of nominal value each, for a total nominal amount of 1.1 million euros, according to information sent to the National Securities Market Commission (CNMV).

Mergers & acquisitionshispasat.com ↗

Indra Group has expanded its activity in the space sector in Europe after the formal closure of the acquisition of 89.68% of Hispasat's share capital.

Mergers & acquisitionsparlem.com ↗

Parlem Telecom’s board of directors, the Catalan virtual communications operator, has agreed to approve the main binding terms and conditions regarding the acquisition of Avatel’s business in Catalonia, the Balearic Islands and Levante, subject to compliance with certain conditions, including the development of a due diligence process with favorable results, as Parlem has pointed out in a statement at the BME Growth.

Funding roundsaxion.es ↗

Axion, an AI-powered platform for ensuring product quality for manufacturing, has raised $37M in Series B funding led by Salesforce Ventures.

Mergers & acquisitionsmasmovil.es ↗

Masmovil had been bought out by Lorca in 2020.

Funding roundsono.es ↗

The Istanbul Chamber of Industry (İSO) has made its first strategic start-up investment through the İSO Venture Capital Investment Fund (İSO GSYF) in Ono.

Mergers & acquisitionshisdesat.es ↗

The sale was signed in January for 725 million euros and is expected to be completed before the end of the year.

Full recorded event mix

Top 10 categories among 278 recorded events in the 24-month window.

Leadership moves
63
Mergers & acquisitions
57
Asset acquisitions
38
Earnings
33
Contracts
31
Buyback
16
Board Updates
14
Company announcements
11
Funding rounds
6
Layoffs
3
4 activity cards

Swipe or scroll horizontally to browse.

Leadership moves

22 tracked people moves

Cellnex ↗
Marco Patuano Cellnex

Appointment Chief Executive Officer

Euskaltel ↗
Luz Usamentiaga

Appointment President

Euskaltel ↗
Jon Ander de las Fuentes

Departure Previously President

Jon González

Appointment Director of Lowi

Euskaltel ↗
Jasone Altuna Palacios

Appointment Chief Executive Officer

Cellnex ↗
Cynthia Gordon

Appointment Non-Executive Director

Cellnex ↗
Gianluca Landolina

Appointment CEO of the new Vertical Solutions unit

Gianluca Landolina

Appointment Chief Executive Officer of Vertical Solutions

Regulatory events

3 recorded events

Telefonica ↗

approved for operation

Cellnex ↗

approved new organisational structure

Requested permission to implement restructuring planNational Commission for Markets and Competition

Earnings pulse

Reported company results in the recorded window.

6companies
33period observations
1.3%median reported growth

Median across 24 reported growth observations; companies may contribute multiple periods.

Mergers and acquisitions

Company-linked deal reports; status is preserved as recorded.

Acquirer → targetStatusDateValue / context
Cellnex→Swiss TowersCompleted2026-04-14Not stated in snapshot
Telefonica→1&1Pending2026-02-27Not stated in snapshot
Telefónica→Vodafone Spain ↗Rumored2026-02-27Not stated in snapshot
Millicom and NJJ→Telefonica ↗Announced2026-02-10$2.0B
indra group→Hispasat ↗Completed2026-01-05Not stated in snapshot
Redeia→Hispasat ↗Completed2025-12-30Not stated in snapshot

A discussion or rumour is not a completed transaction. An unstated value is not zero.

PEOPLE & OPPORTUNITY

The talent market

0 postings in the preceding 12 months. The full 25-posting snapshot covers 19 employers.

Expand panel +

Most advertised job titles

Customer Support Specialist (Dutch Native) For A Leading Telecom Provider3
Telecommunications Officer (Temporary Job Opening)2
Data Scientist It · Informática Y Telecomunicaciones · Valencia · Híbrido1
Beca Ingeniero Industrial 4Plus Telecomunicaciones Castellón1
Network And Telecommunications Manager1
Se Necesita Comercial Para Gestión De Permisos De Empresa De Telecomunicaciones1
0 internship postings

0 tracked postings mention remote work.

The seniority mix

2 postings specify a level.

unspecified
23
manager
2
THE PEOPLE BUILDING THE FIELD

Founders and leaders

117 founders and chief executives across 96 companies.

Expand panel +
12 profiles

Swipe or scroll horizontally to browse.

Education networks

6 profiles with education records.

University College London
1
Cambridge Judge Business School
1
IESE Business School
1
INSEAD
1
IE Business School
1
University of Pennsylvania
1

Prior employers

2 profiles with prior-work records.

Profiles cover recorded founders and leaders; contact details remain in Radar.

NEWS INTELLIGENCE

How this industry appears in the news

321,965 articles in the measured 12-month window.

Expand panel +
321,965articles in the measured year
54,662articles in 2026Q1
42.4%positive tone in the latest complete year

News volume trends

Telecom coverage across Spain · articles per complete quarter

046,77093,539140,309187,0792021Q2: 45,5382021Q22021Q3: 50,2542021Q4: 40,6472022Q1: 46,5502022Q2: 50,6932022Q22022Q3: 51,6142022Q4: 63,2952023Q1: 65,5482023Q2: 60,8912023Q22023Q3: 68,6512023Q4: 54,4442024Q1: 67,1302024Q2: 75,7372024Q22024Q3: 82,4982024Q4: 79,1842025Q1: 96,3162025Q2: 67,1332025Q22025Q3: 162,6772025Q4: 43,3592026Q1: 54,6622026Q1
View quarterly article counts
QuarterArticles
2021Q245,538
2021Q350,254
2021Q440,647
2022Q146,550
2022Q250,693
2022Q351,614
2022Q463,295
2023Q165,548
2023Q260,891
2023Q368,651
2023Q454,444
2024Q167,130
2024Q275,737
2024Q382,498
2024Q479,184
2025Q196,316
2025Q267,133
2025Q3162,677
2025Q443,359
2026Q154,662

Article volume measures coverage, not market sales.

Tone of coverage over time

2021
74,203 positive · 33,244 neutral · 38,012 negative
2022
108,605 positive · 51,373 neutral · 51,850 negative
2023
130,065 positive · 64,461 neutral · 54,652 negative
2024
142,675 positive · 99,004 neutral · 62,400 negative
2025
156,587 positive · 152,433 neutral · 60,060 negative

Leading coverage topics

Telecom coverage across Spain · ranked by full-period article count.

Geopolitical Disputes And Contested Areas300,760 articles in the full recorded period
108,139 recent · 81,433 prior
International And Transnational Geographic Entities300,754 articles in the full recorded period
108,142 recent · 81,435 prior
Administrative And Political Subdivisions300,725 articles in the full recorded period
108,128 recent · 81,429 prior
International Sports Competitions39,781 articles in the full recorded period
6,672 recent · 10,270 prior
Sports History And Legacy Stories26,373 articles in the full recorded period
19,501 recent · 2,546 prior
Sportsmanship And Ethics In Sports24,021 articles in the full recorded period
18,555 recent · 1,338 prior
Professional League Updates23,408 articles in the full recorded period
5,069 recent · 4,975 prior
Olympic Games Coverage17,597 articles in the full recorded period
1,987 recent · 5,587 prior
Championship Event Highlights16,557 articles in the full recorded period
3,237 recent · 4,260 prior
Athlete Transfer Rumors15,476 articles in the full recorded period
3,559 recent · 3,244 prior

Recent and prior counts use the source comparison windows.

Topics gaining and losing attention

Telecom coverage across Spain

KeywordRecentPriorChange
countries4,2501,920121%
geopolitical alliances75840289%
women\'s champions league75752644%
foreign policy analysis623192224%
diplomatic strategies51331662%
fire impact study511143257%
multilateral diplomacy511176190%
extreme temperature advisory389128204%
wildfire control367115219%
study overseas354139155%
europa league5631,668-66%
olympic trials1651,596-90%
olympic team selections2331,422-84%
ronaldo5911,087-46%
final match3481,064-67%

Event and signal lenses

Telecom coverage across Spain

All complete annual cohorts shown
Rising

Regulatory Risk

587,031 classified articles

territories, disputed islands, countries

12.8% critical · 11.8% positive
Rising

Funding Momentum

41,949 classified articles

club valuation, quarterfinals, world cup

32.0% critical · 43.8% positive
Rising

Growth

87,644 classified articles

league expansion news, gdp growth rate, gdp acceleration

25.7% critical · 48.9% positive

Telecom coverage across Spain. Topic labels describe recorded classifications and can include broad context.

RESEARCH SIGNALS

What Telecom research is working on

50,855 papers in the recorded worldwide scope.

Expand panel +
50,855papers
50,855worldwide comparison pool
—India-affiliated papers

Research orientation

Promising
26,382
Breakthrough
18,767
Comparative
2,058
Descriptive
1,562
Cautionary
1,218
Problem-identifying
754
Critical
114

Contribution mix

Methods-led
43,110
Empirical
5,818
Reviews
1,132
Theoretical
577
Position pieces
218

Tone counts: 45,655 positive · 3,639 neutral · 1,561 negative.

Common problems researchers identify
868 papers · 1.7% of this field
  • Beamforming504 papers
  • MIMO329 papers
  • Electronic engineering124 papers
  • Wireless116 papers
  • Telecommunications85 papers
  • Antenna85 papers
  • Base station54 papers
  • 3G MIMO53 papers

Landmark: Massive MIMO for next generation wireless systems

Cautions
1,218 papers · 2.4% of this field
  • Beamforming725 papers
  • MIMO404 papers
  • Electronic engineering154 papers
  • Telecommunications link150 papers
  • Antenna115 papers
  • Interference97 papers
  • Base station91 papers
  • Transmitter85 papers

Landmark: Mitigation of Loopback Self-Interference in Full-Duplex MIMO Relays

Opportunities
45,149 papers · 88.8% of this field
  • Beamforming27,790 papers
  • MIMO14,359 papers
  • Electronic engineering5,407 papers
  • Antenna4,435 papers
  • Telecommunications link4,154 papers
  • Base station2,974 papers
  • Precoding2,680 papers
  • Wireless2,600 papers

Landmark: Intelligent Reflecting Surface Enhanced Wireless Network via Joint Active and Passive Beamforming

Leading institutions

Southeast University
35,599
National University of Singapore
35,523
University of Electronic Science and Technology of China
28,675
Samsung
26,980
The University of Texas at Austin
25,798
Linköping University
20,132

Leading researchers

Rui Zhang
31,286
Robert W. Heath
20,893
Qingqing Wu
19,363
Erik G. Larsson
16,468
Thomas L. Marzetta
11,600
Zhiguo Ding
11,266
Derrick Wing Kwan Ng
10,597
Sundeep Rangan
9,348

Highly cited breakthrough-labelled papers

  • Channel Estimation and Hybrid Precoding for Millimeter Wave Cellular Systems2,600 citations
  • Fractional Programming for Communication Systems—Part I: Power Control and Beamforming1,777 citations
  • Joint Spatial Division and Multiplexing—The Large-Scale Array Regime1,380 citations
  • A Coordinated Approach to Channel Estimation in Large-Scale Multiple-Antenna Systems1,225 citations
  • Space-time-coding digital metasurfaces1,184 citations

Common problems researchers identify

805 papers · 7 recurring themes
7 cards

Swipe or scroll horizontally to browse.

Wireless Beamforming Connectivity IssuesCommon problems researchers identify · 01

Wireless Beamforming Connectivity Issues

169 papers

21.0% of this theme group

Researchers highlight limits in distributed beamforming efficiency and network energy consumption.

Beamforming (166) · Wireless (55) · Channel (24) · Computer network (23)

Distributed and Collaborative Beamforming in Wireless Sensor Networks: Classifications, Trends, and Research Directions

Distributed Beamforming for Wireless Sensor Networks With Improved Graph Connectivity and Energy Efficiency

View research history
YearShare index
20224599.9
20234500.9
20244053.4
20253710.7
Acoustic Beamforming Noise ChallengesCommon problems researchers identify · 02

Acoustic Beamforming Noise Challenges

132 papers

16.4% of this theme group

Papers point to degradation from noise and domain shifts in acoustic beamforming systems.

Beamforming (118) · Acoustics (20) · Transducer (6) · Noise (9)

APPLICATION OF PLANAR BEAMFORMING METHOD TO IDENTIFICATION OF SPINNING ACOUSTIC MODES

Improved beamforming by accounting for multiple domain shifts and sources of degradation

View research history
YearShare index
20221156.0
20231105.4
2024977.8
2025425.0
Massive MIMO Scalability ConcernsCommon problems researchers identify · 03

Massive MIMO Scalability Concerns

131 papers

16.3% of this theme group

Studies discuss practical obstacles for large‑scale multi‑user MIMO deployment in next‑gen networks.

MIMO (130) · 3G MIMO (35) · Multi-user MIMO (24) · Telecommunications (39)

Massive MIMO for next generation wireless systems

Mobile Cell-Free Massive MIMO: Challenges, Solutions, and Future Directions

View research history
YearShare index
20226911.1
20236859.2
20246799.6
20253052.1
Coordinated Beamforming Deployment HurdlesCommon problems researchers identify · 04

Coordinated Beamforming Deployment Hurdles

105 papers

13.0% of this theme group

Works examine integration difficulties of coordinated multipoint and large antenna arrays for 5G.

MIMO (52) · Beamforming (55) · Telecommunications (30) · Software deployment (14)

Exploring Coordinated Multipoint Beamforming Strategies for 5G Cellular

Practical Large Scale Antenna Systems for 5G cellular networks

View research history
YearShare index
20226936.1
20236884.4
20246822.1
20253217.4
Spectral Efficiency and Interference LimitsCommon problems researchers identify · 05

Spectral Efficiency and Interference Limits

100 papers

12.4% of this theme group

Research flags constraints on lattice‑based techniques and interference management for higher throughput.

Spectral efficiency (20) · Lattice reduction (6) · Lattice (6) · Interference (15)

Full-Duplex Cellular Networks

A Review of Techniques and Challenges in Green Communication

View research history
YearShare index
2022208.5
2023189.7
202465.0
2025148.0
MIMO Radar Interference IssuesCommon problems researchers identify · 06

MIMO Radar Interference Issues

94 papers

11.7% of this theme group

Authors identify mutual interference and control challenges when merging MIMO with radar functions.

MIMO (88) · Radar (20) · Control theory (13) · Electronic engineering (26)

MIMO OFDM Radar-Communication System with Mutual Interference Cancellation

A Survey on Over-The-Air Linearization Methods for MIMO Systems

View research history
YearShare index
20222701.6
20232726.8
20242488.9
20251267.7
Phased‑Array Scaling BarriersCommon problems researchers identify · 07

Phased‑Array Scaling Barriers

74 papers

9.2% of this theme group

Papers note technical and cost obstacles in scaling high‑frequency phased‑array antennas.

Phased array (30) · Antenna array (15) · Beamforming (60) · Antenna (24)

High-Sensitivity Phased Array Receivers for Radio Astronomy

Scaling Millimeter-Wave Phased Arrays: Challenges and Solutions

View research history
YearShare index
2022760.7
2023732.3
2024820.5
2025807.5

Cautions

1,127 papers · 7 recurring themes
7 cards

Swipe or scroll horizontally to browse.

Distributed Beamforming Practical RisksCautions · 01

Distributed Beamforming Practical Risks

220 papers

19.5% of this theme group

Studies caution about real‑world performance gaps and implementation complexity for distributed beamforming.

Beamforming (218) · Base station (38) · Computer network (25) · Wireless (28)

Distributed transmit beamforming: challenges and recent progress

Design and experimental evaluation of multi-user beamforming in wireless LANs

View research history
YearShare index
20224674.1
20234569.5
20244103.6
20253850.7
MIMO Hardware Impairment WarningsCautions · 02

MIMO Hardware Impairment Warnings

204 papers

18.1% of this theme group

Research warns that transceiver imperfections and phase noise can reduce MIMO capacity.

MIMO (191) · Telecommunications link (61) · Electronic engineering (65) · Precoding (34)

MIMO capacities and outage probabilities in spatially multiplexed optical transport systems

Massive MIMO with Transceiver Hardware Impairments: Performance Analysis and Phase Noise Error Minimization

View research history
YearShare index
20222884.3
20232861.6
20242509.0
20251402.0
Adaptive Acoustic Beamforming SensitivityCautions · 03

Adaptive Acoustic Beamforming Sensitivity

200 papers

17.7% of this theme group

Works highlight vulnerability to localization errors and environmental noise in adaptive acoustic beamformers.

Beamforming (179) · Adaptive beamformer (26) · Acoustics (27) · Noise (18)

An analysis of beamforming algorithms for passive bottom reflection-loss estimation

On the Impact of Localization Errors on HRTF-based Robust Least-Squares\n Beamforming

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YearShare index
20221172.1
20231121.9
2024993.9
2025442.2
Hybrid Beamforming Power EfficiencyCautions · 04

Hybrid Beamforming Power Efficiency

168 papers

14.9% of this theme group

Papers stress energy losses and non‑linearities when combining analog and digital beamforming at mmWave.

MIMO (152) · Beamforming (113) · Radar (20) · Waveform (10)

On the Energy Efficiency of MIMO Hybrid Beamforming for Millimeter-Wave Systems With Nonlinear Power Amplifiers

Performance Evaluation of Analog Beamforming with Hardware Impairments for mmW Massive MIMO Communication in an Urban Scenario

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YearShare index
2022410.9
2023401.1
2024354.4
2025365.6
Interference Alignment FeasibilityCautions · 05

Interference Alignment Feasibility

132 papers

11.7% of this theme group

Research questions the practicality of lattice‑reduction and interference alignment in dense full‑duplex networks.

Spectral efficiency (35) · Interference (32) · Lattice reduction (5) · Electronic engineering (25)

Harvesting the (Self-)Interference in Heterogeneous Full-Duplex Networks For Joint Rate-Energy Optimization.

System-level performance of interference alignment

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YearShare index
2022213.6
2023195.5
202470.2
2025151.0
Phased‑Array Calibration ConcernsCautions · 06

Phased‑Array Calibration Concerns

121 papers

10.7% of this theme group

Studies point to frequency mismatches and calibration difficulties affecting array beamforming accuracy.

Microphone array (17) · Beamforming (88) · Phased array (23) · Antenna array (16)

Evaluating seismic beamforming capabilities of distributed acoustic sensing arrays

On the Impact of Frequency Discrepancy on Beamforming Performance in Millimeter-Wave Phased Array Antenna Systems

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YearShare index
2022401.1
2023391.1
2024384.9
2025450.9
Human Exposure and Deployment LimitsCautions · 07

Human Exposure and Deployment Limits

82 papers

7.3% of this theme group

Works caution about safety exposure levels and field trial constraints for 5G beamforming deployments.

Beamforming (48) · MIMO (35) · Antenna (18) · Base station (16)

Assessment of Human Exposure Levels Due to Mobile Phone Antennas in 5G Networks

Outdoor experiments on 5G radio access using distributed MIMO and beamforming in 28-GHz frequency band

View research history
YearShare index
2022895.9
2023844.3
2024676.7
2025725.3

Opportunities

41,154 papers · 7 recurring themes
7 cards

Swipe or scroll horizontally to browse.

Integrated Sensing and Communication BeamformingOpportunities · 01

Integrated Sensing and Communication Beamforming

1,460 papers

24.3% of this theme group

Research explores joint beamforming designs that merge communication with environmental sensing.

Beamforming (1,396) · Wireless (256) · Base station (239) · Transmission (158)

Joint and Robust Beamforming Framework for Integrated Sensing and Communication Systems

3D Beamforming in Reconfigurable Intelligent Surfaces-assisted Wireless Communication Networks

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YearShare index
20224109.1
20234001.0
20243362.8
20253500.5
Adaptive Acoustic Beamforming for SpeechOpportunities · 02

Adaptive Acoustic Beamforming for Speech

1,118 papers

18.6% of this theme group

Papers propose adaptive techniques to improve target detection and speech enhancement in noisy settings.

Beamforming (891) · Adaptive beamformer (167) · Acoustics (134) · Speech recognition (71)

Adaptive Beamforming for Target Detection and Surveillance Based on Distributed Unmanned Aerial Vehicle Platforms

Performance evaluation of beamforming techniques for speech enhancement

View research history
YearShare index
20221285.3
20231225.5
20241105.3
2025493.5
Advanced Precoding for Full‑Duplex MIMOOpportunities · 03

Advanced Precoding for Full‑Duplex MIMO

1,071 papers

17.9% of this theme group

Studies develop low‑complexity precoding schemes to boost spectral and energy efficiency in full‑duplex systems.

MIMO (673) · Precoding (238) · Telecommunications link (199) · Electronic engineering (234)

Precoding for Full Duplex Multiuser MIMO Systems: Spectral and Energy Efficiency Maximization

A low-complexity linear precoding and power allocation scheme for downlink massive MIMO systems

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YearShare index
20222884.3
20232861.6
20242509.0
20251402.0
Hybrid Beamforming for Massive MIMOOpportunities · 04

Hybrid Beamforming for Massive MIMO

761 papers

12.7% of this theme group

Research presents hybrid approaches that simplify beamforming while maintaining performance for massive MIMO.

MIMO (596) · Beamforming (727) · Telecommunications link (145) · Precoding (116)

Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future research

Hybrid Beamforming for Millimeter Wave Massive Multiuser MIMO Systems Using Regularized Channel Diagonalization

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YearShare index
2022578.1
2023529.8
2024323.6
2025424.6
Real‑Time Digital Phased‑Array BeamformingOpportunities · 05

Real‑Time Digital Phased‑Array Beamforming

656 papers

10.9% of this theme group

Works showcase adaptive digital beamforming methods for next‑generation radio telescopes and optics.

Phased array (216) · Beamforming (532) · Antenna array (94) · Phased-array optics (37)

Aperture-Level Simultaneous Transmit and Receive With Digital Phased Arrays

A Real-Time Adaptive Station Beamforming Strategy for Next Generation Phased Array Radio Telescopes

View research history
YearShare index
2022384.2
2023372.7
2024375.0
2025439.1
Compact Dual‑Band MIMO Antenna DesignsOpportunities · 06

Compact Dual‑Band MIMO Antenna Designs

515 papers

8.6% of this theme group

Papers introduce tightly spaced antenna solutions that reduce coupling while supporting multiple wireless standards.

MIMO (445) · Antenna (275) · Electronic engineering (231) · Decoupling (59)

Dual MIMO Antenna System for 5G Mobile Phones, 5.2 GHz WLAN, 5.5 GHz WiMAX and 5.8/6 GHz WiFi Applications

A CLOSELY SPACED DUAL-BAND MIMO PATCH ANTENNA WITH REDUCED MUTUAL COUPLING FOR 4G/5G APPLICATIONS

View research history
YearShare index
20222829.7
20232831.0
20242616.7
20251386.8
MIMO Radar Waveform InnovationOpportunities · 07

MIMO Radar Waveform Innovation

419 papers

7.0% of this theme group

Research advances MIMO radar techniques using frequency diversity and joint angle estimation for improved imaging.

Radar (243) · MIMO (328) · Waveform (52) · Radar imaging (31)

MIMO Radar with Frequency Diversity

Joint direction-of-departure and direction-of-arrival estimation in an ultra-wideband MIMO radar system

View research history
YearShare index
2022411.9
2023402.1
2024356.8
2025371.4

How this field compares with the research baseline

Orientation shares compared with 25,000 papers in the reference sample.

Research orientationThis fieldReference sample
Promising51.9%37.2%
Breakthrough36.9%26.5%
Comparative4.0%3.8%
Descriptive3.1%17.8%
Cautionary2.4%4.4%
Problem-identifying1.5%9.2%
Critical0.2%1.1%

Concerns receiving less research attention

Counts and shares refer to the stated research pool. A low count describes how much of that research is recorded here, not the absence of a real-world concern.

Concern / example paperPapersShareRaised as a problemWorldwide share
Concentration of compute powerComments on “Compact UWB Monopole Antenna for Automotive Communications”3290.71%2 (0.6%)0.71%
Bias & fairnessRate-Fairness-Aware Low Resolution RIS-Aided Multi-User OFDM Beamforming1140.25%1 (0.9%)0.25%
Privacy & surveillanceMIMO Radar Privacy Protection Through Gradient Enforcement in Shared Spectrum Scenarios870.19%8 (9.2%)0.19%
Energy & datacenter footprintRobust Group Sparse Beamforming for Multicast Green Cloud-RAN With Imperfect CSI560.12%3 (5.4%)0.12%
Safety & misuseBlack-box Adversarial Examples against Intelligent Beamforming in 5G Networks90.02%1 (11.1%)0.02%
Water use00.0%0 (%)0.0%
Carbon & emissions of compute00.0%0 (%)0.0%
Hardware, e-waste & supply chain00.0%0 (%)0.0%
Labour & data work00.0%0 (%)0.0%

Institution and researcher rankings use citations to their covered work. Research scope: worldwide. This may be broader than the company geography.

INNOVATION SIGNALS

Who files Telecom patents in Spain

Published patent filings in the recorded source window.

Expand panel +
1,761filings 2016–2025
2,062assignees
279peak annual filings

Filing momentum

0801602413212016: 27820162017: 2792018: 20020182019: 1702020: 17020202021: 1482022: 13820222023: 1452024: 14020242025: 932025

Who files the most

Telefonica
657
Vodafone Espana SAU
344
Ericsson Telefon AB L M
336
Vodafone
311
Vodafone Espana
167
Lleidanetworks Serveis Telematics
144
Telefonica Digital Espana SLU
135
Diseno Sistemas Silicio
79
GEOGRAPHIC FOOTPRINT

Where companies are based

Company counts, hiring and disclosed funding across the recorded hubs.

Expand panel +
8 cards

Swipe or scroll horizontally to browse.

UNDERSTAND THE LANDSCAPE

Telecom in Spain: key questions

Clear definitions for making better comparisons.

What does this landscape measure?

It measures the tracked company ecosystem, recorded funding, hiring and other available evidence. It is not a market-size estimate.

Can segment counts be added together?

No. A company can belong to several segments, so segment counts and funding can overlap.

What does a missing figure mean?

A dash or unavailable panel means the current reviewed source snapshot does not support that figure.

KEEP EXPLORING

Put Spain in context

All landscapes ↗

Company ecosystem snapshot: 2 September 2026. Funding is recorded in USD; filed accounts retain their stated currency and reporting basis. Each section identifies its own coverage. The news and research behind these sections is explorable in Prism.

Canonical landscape ↗
Coming soon