IL235691B - A method and system for data transmission - Google Patents
A method and system for data transmissionInfo
- Publication number
- IL235691B IL235691B IL235691A IL23569114A IL235691B IL 235691 B IL235691 B IL 235691B IL 235691 A IL235691 A IL 235691A IL 23569114 A IL23569114 A IL 23569114A IL 235691 B IL235691 B IL 235691B
- Authority
- IL
- Israel
- Prior art keywords
- communication channel
- signal portions
- data
- modulation code
- time delay
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
Abstract
Methods and systems for communicating data through a communication channel are disclosed. A first and a second signal portions are transmitted with the time delay between them corresponding to the value of the data that should be communicated through the communication channel. The communication of the data through the communication channel can be encrypted and concealed by modulating at least one of the first and second signal portions utilizing a certain modulation code, and transmitting the modulated signal portion through the communication channel with intensity in the order of, or below, the level of noise in the communication channel. In the reception path, signals received through the communication channel are processed to detect the reception of the first and second signal portions and determine the value of the communicated data based on the time delay between them. Signal portions modulated by the modulation code, can be detected by convolving the received signals with the modulation code.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL235691A IL235691B (en) | 2014-11-13 | 2014-11-13 | A method and system for data transmission |
PCT/IL2015/051081 WO2016075683A2 (en) | 2014-11-13 | 2015-11-10 | A method and system for data transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL235691A IL235691B (en) | 2014-11-13 | 2014-11-13 | A method and system for data transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
IL235691B true IL235691B (en) | 2018-10-31 |
Family
ID=54783982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL235691A IL235691B (en) | 2014-11-13 | 2014-11-13 | A method and system for data transmission |
Country Status (2)
Country | Link |
---|---|
IL (1) | IL235691B (en) |
WO (1) | WO2016075683A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2925265T3 (en) | 2018-10-18 | 2022-10-14 | Signify Holding Bv | Determine lighting settings and/or daylight block settings based on data signal quality |
WO2020088968A1 (en) | 2018-10-29 | 2020-05-07 | Signify Holding B.V. | System for providing a sequence of nodes in a network |
CN111525976B (en) * | 2020-03-03 | 2023-05-12 | 浙江警察学院 | Covert communication method based on normal random process mean parameter modulation |
CN115788415B (en) * | 2022-11-11 | 2024-05-07 | 抚顺中煤科工检测中心有限公司 | Coding design method for low-frequency electromagnetic wave signal communication of measurement while drilling instrument |
CN116599606B (en) * | 2023-07-19 | 2023-09-19 | 中国电子科技集团公司第二十九研究所 | Spread spectrum signal receiving method and system based on channelized weighted cross-correlation processing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6717992B2 (en) * | 2001-06-13 | 2004-04-06 | Time Domain Corporation | Method and apparatus for receiving a plurality of time spaced signals |
KR100586391B1 (en) * | 2003-04-25 | 2006-06-08 | 주식회사 팬택 | Transmitter using interleaving delay diversity |
EP2487816B1 (en) * | 2011-01-31 | 2018-03-07 | Alcatel Lucent | Method of optical data transmission using polarization division multiplexing |
EP2883081B1 (en) | 2012-08-09 | 2017-10-25 | Israel Aerospace Industries Ltd. | Friend or foe identification system and method |
-
2014
- 2014-11-13 IL IL235691A patent/IL235691B/en active IP Right Grant
-
2015
- 2015-11-10 WO PCT/IL2015/051081 patent/WO2016075683A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2016075683A2 (en) | 2016-05-19 |
WO2016075683A3 (en) | 2016-07-07 |
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