Todd Walter publications per year

The chart shows the history of publications by Todd Walter between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Todd Walter published across 36 years, from 1990 to 2025, averaging 11.4 papers a year. Output peaked at 23 publications in 2019. 40 of the 410 publications appeared in the last two years.

No. of publications

5 10 15 20

1990 2025

410 publications in total across all disciplines

View publications per year as a table

Todd Walter: publications per year, 1990 to 2025
Year	Publications
1990	2
1991	0
1992	5
1993	2
1994	4
1995	6
1996	5
1997	8
1998	6
1999	4
2000	6
2001	8
2002	6
2003	5
2004	11
2005	9
2006	9
2007	12
2008	18
2009	10
2010	13
2011	16
2012	16
2013	16
2014	15
2015	11
2016	12
2017	14
2018	19
2019	23
2020	15
2021	23
2022	18
2023	23
2024	22
2025	18
Total	410

Download as CSV

Todd Walter publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Todd Walter sits on this spectrum.

No. of scientists

100 200 300 400

38–47 publications 804+

This scientist: 385 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table

Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications	Scientists	This scientist
38–47	20
48–57	35
58–67	96
68–77	135
78–87	190
88–97	259
98–107	283
108–117	369
118–127	341
128–137	386
138–147	372
148–157	457
158–167	415
168–177	407
178–187	421
188–197	378
198–207	403
208–217	317
218–227	346
228–237	321
238–247	260
248–257	280
258–267	240
268–277	214
278–287	242
288–297	203
298–307	166
308–317	154
318–327	175
328–337	159
338–347	99
348–357	131
358–367	106
368–377	118
378–387	97	385
388–397	108
398–407	82
408–417	71
418–427	64
428–437	55
438–447	54
448–457	60
458–467	47
468–477	40
478–487	30
488–497	29
498–507	38
508–517	40
518–527	32
528–537	23
538–547	28
548–557	23
558–567	19
568–577	16
578–587	17
588–597	18
598–607	22
608–617	15
618–627	9
628–637	11
638–647	21
648–657	12
658–667	9
668–677	11
678–687	9
688–697	6
698–707	14
708–717	7
718–727	8
728–737	10
738–747	9
748–757	5
758–767	5
768–777	11
778–787	7
788–797	2
798–803	4
804+	100

Download as CSV

Todd Walter D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Todd Walter sits on this spectrum.

No. of scientists

100 200 300 400

30 D-Index 107+

This scientist: 38 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table

Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index	Scientists	This scientist
30	59
31	114
32	129
33	189
34	200
35	262
36	311
37	312
38	350	38
39	385
40	348
41	362
42	426
43	380
44	310
45	341
46	301
47	306
48	271
49	246
50	210
51	253
52	213
53	221
54	195
55	186
56	170
57	167
58	166
59	144
60	152
61	141
62	138
63	131
64	118
65	114
66	119
67	95
68	87
69	77
70	89
71	69
72	54
73	46
74	55
75	54
76	49
77	53
78	46
79	28
80	39
81	36
82	24
83	26
84	36
85	18
86	25
87	19
88	26
89	27
90	23
91	15
92	12
93	9
94	15
95	10
96	13
97	13
98	9
99	7
100	7
101	8
102	7
103	7
104	9
105	6
106	9
107+	99

Download as CSV

Overview

Todd Walter is affiliated with Stanford University in the United States and has an extensive body of research primarily in engineering and computer science. Their work encompasses subfields including aerospace engineering, computer networks and communications, electrical and electronic engineering, artificial intelligence, and atomic and molecular physics and optics.

The main topics of Todd Walter's research focus on global navigation satellite system (GNSS) positioning and interference, advanced frequency and time standards, indoor and outdoor localization technologies, air traffic management and optimization, inertial sensor and navigation, ionosphere and magnetosphere dynamics, and cryptographic implementations and security.

Recent notable publications include:

"An Assessment of GPS Spoofing Detection Via Radio Power and Signal Quality Monitoring for Aviation Safety Operations," 2020, IEEE Intelligent Transportation Systems Magazine
"Baseline Advanced RAIM User Algorithm: Proposed Updates," 2022, Proceedings of the Institute of Navigation... International Technical Meeting
"Fast Protection Levels for Fault Detection With an Application to Advanced RAIM," 2020, IEEE Transactions on Aerospace and Electronic Systems
"GNSS spoofing detection through spatial processing," 2021, NAVIGATION Journal of the Institute of Navigation
"GNSS Interference Detection Using Machine Learning Algorithms on ADS-B Data," 2021, Proceedings of the Satellite Division's International Technical Meeting

Frequent co-authors collaborating with Todd Walter include Sherman Lo, Juan Blanch, Jason Anderson, Dennis Akos, and Zixi Liu.

The most common venues where Todd Walter publishes are:

Proceedings of the Satellite Division's International Technical Meeting (Online)/CD-ROM
Proceedings of the Institute of Navigation... International Technical Meeting
NAVIGATION Journal of the Institute of Navigation
Proceedings of the ION... Pacific PNT Meeting
IEEE Transactions on Aerospace and Electronic Systems

Best Publications

Wide area augmentation of the Global Positioning System

P. Enge;T. Walter;S. Pullen;Changdon Kee

314
Citations
Weighted RAIM for Precision Approach

Todd Walter;Per Enge

281
Citations
Baseline advanced RAIM user algorithm and possible improvements

Juan Blanch;Todd Walker;Per Enge;Young Lee

273
Citations
Robust detection of ionospheric irregularities

Todd Walter;Andrew Hansen;Juan Blanch;Per Enge

231
Citations
Broadband LEO Constellations for Navigation

Tyler G.R. Reid;Andrew M. Neish;Todd Walter;Per K. Enge

230
Citations
Advanced RAIM user Algorithm Description: Integrity Support Message Processing, Fault Detection, Exclusion, and Protection Level Calculation

Juan Blanch;Todd Walter;Per Enge;Young Lee

207
Citations
RAIM with Optimal Integrity and Continuity Allocations Under Multiple Failures

J Blanch;T Walter;P Enge

169
Citations
Leveraging Commercial Broadband LEO Constellations for Navigating

Tyler G. Reid;Andrew M. Neish;Todd F. Walter;Per K. Enge

163
Citations
Worldwide Vertical Guidance of Aircraft Based on Modernized GPS and New Integrity Augmentations

T. Walter;P. Enge;J. Blanch;B. Pervan

132
Citations
Wide area differential gps reference system and method

Per K. Enge;Todd F. Walter;Yi-Chung Chao

123
Citations
An Optimized Multiple Hypothesis RAIM Algorithm for Vertical Guidance

Juan Blanch;Alex Ene;Todd Walter;Per Enge

108
Citations
Critical Elements for a Multi‐Constellation Advanced RAIM

Juan Blanch;Todd Walter;Per Enge;Stefan Wallner

105
Citations
CHARACTERISTICS OF DEEP GPS SIGNAL FADING DUE TO IONOSPHERIC SCINTILLATION FOR AVIATION RECEIVER DESIGN

Jiwon Seo;Todd Walter;Tsung Yu Chiou;Per Enge

99
Citations
Statistical characterization of GPS signal-in-space errors

Liang Heng;Grace Xingxin Gao;Todd Walter;Per Enge

98
Citations
Using WAAS Ionospheric Data to Estimate LAAS Short Baseline Gradients

Seebany Datta-Barua;Todd Walter;Sam Pullen;Ming Luo

95
Citations
Bounding higher-order ionosphere errors for the dual-frequency GPS user

S. Datta-Barua;T. Walter;J. Blanch;P. Enge

95
Citations
Availability Impact on GPS Aviation due to Strong Ionospheric Scintillation

Jiwon Seo;T. Walter;P. Enge

95
Citations
Discrete simulation of power law noise (for oscillator stability evaluation)

N.J. Kasdin;T. Walter

92
Citations
Optimal Positioning for Advanced Raim

Juan Blanch;Todd Walter;Per Enge

85
Citations
Satellite Navigation for Aviation in 2025

J. Blanch;T. Walter;P. Enge

85
Citations
Matlab Simulation Toolset for SBAS Availability Analysis

Shau-Shiun Jan;Wyant Chan;Todd Walter;Per Enge

84
Citations