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Record Details

Record 16 of 2005
Relay Support for the Mars Science Laboratory Mission
External Online Source: hdl:2014/44946
Author and Affiliation:
Edwards, Charles D. Jr,(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Bell, David J.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Gladden, Roy E.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Ilott, Peter A.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Jedrey, Thomas C.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Johnston, M. Daniel(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Maxwell, Jennifer L.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Mendoza, Ricardo(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
McSmith, Gaylon W.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Potts, Christopher L.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States) Show more authors
Abstract: The Mars Science Laboratory (MSL) mission landed the Curiosity Rover on the surface of Mars on August 6, 2012, beginning a one-Martian-year primary science mission. An international network of Mars relay orbiters, including NASA's 2001 Mars Odyssey Orbiter (ODY) and Mars Reconnaissance Orbiter (MRO), and ESA's Mars Express Orbiter (MEX), were positioned to provide critical event coverage of MSL's Entry, Descent, and Landing (EDL). The EDL communication plan took advantage of unique and complementary capabilities of each orbiter to provide robust information capture during this critical event while also providing low-latency information during the landing. Once on the surface, ODY and MRO have provided effectively all of Curiosity's data return from the Martian surface. The link from Curiosity to MRO incorporates a number of new features enabled by the Electra and Electra-Lite software-defined radios on MRO and Curiosity, respectively. Specifically, the Curiosity-MRO link has for the first time on Mars relay links utilized frequency-agile operations, data rates up to 2.048 Mb/s, suppressed carrier modulation, and a new Adaptive Data Rate algorithm in which the return link data rate is optimally varied throughout the relay pass based on the actual observed link channel characteristics. In addition to the baseline surface relay support by ODY and MRO, the MEX relay service has been verified in several successful surface relay passes, and MEX now stands ready to provide backup relay support should NASA's orbiters become unavailable for some period of time.
Publication Date: Mar 02, 2013
Document ID:
20150008727
(Acquired May 28, 2015)
Subject Category: LUNAR AND PLANETARY SCIENCE AND EXPLORATION; SPACE COMMUNICATIONS, SPACECRAFT COMMUNICATIONS, COMMAND AND TRACKING
Document Type: Conference Paper
Publication Information: (SEE 20150008004)
Meeting Information: IEEE Aerospace Conference; 2-9 Mar. 2013; Big Sky, MT; United States
Meeting Sponsor: Institute of Electrical and Electronics Engineers; New York, NY, United States
American Inst. of Aeronautics and Astronautics; Reston, VA, United States
Prognostics and Health Management Society (PHM); Rochester, NY, United States
Financial Sponsor: Jet Propulsion Lab., California Inst. of Tech.; Pasadena, CA, United States
Organization Source: Jet Propulsion Lab., California Inst. of Tech.; Pasadena, CA, United States
Description: 14p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: RADIO RELAY SYSTEMS; MARS SCIENCE LABORATORY; MARS MISSIONS; MARS EXPRESS; EXTRATERRESTRIAL COMMUNICATION; DATA ACQUISITION; MARS LANDING; MARS RECONNAISSANCE ORBITER; 2001 MARS ODYSSEY; RADIO TELEMETRY; LESSONS LEARNED
Other Descriptors: TELECOMMUNICATIONS; CURIOSITY; MSL
Availability Source: Other Sources
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