NDLI: RF propagation characteristics of in-cabin CDMA mobile phone networks

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Table of contents

Component-based performance-sensitive real-time embedded software

Exploring round-trip engineering capabilities for satellite flight software projects

Model-based development and the implications to design assurance and certification

Life cycle integration use of model-based testing tools

A method to increase the design assurance level of software by means of FMEA

CLawZ: cost-effective formal verification for control systems

Proof vs testing in the context of safety standards

Extension of static verification techniques by semantic analysis

Re-Engineering of Old Airborne Software to a New Object-Oriented Architecture: A Case Study

About one algorithm for keeping connectivity into a distributed data system

An intelligent network monitoring and management tool for aircraft data networks

Implementation of collision avoidance system using TCAS II to UAVs

Development of a rotorcraft mini-UAV system demonstrator

Simulation of multi UAV flight formation

Performance simulation of radar sensor based obstacle detection and collision avoidance for smart UAV

Integration of threat information into the route (re-) planning task

Transition trajectories characterization of an uninhabited aerial vehicle

Serial back-plane technologies in advanced avionics architectures

Space Shuttle and Space Station radio frequency (RF) exposure analysis

Use of field programmable gate array technology in future space avionics

Analysis of Space Shuttle Crewmembers’ Scanning Behavior: Evaluation of the Proposed Cockpit Avionics Upgrade

Avionics for a Manned Mission to Mars

Shielding measurements of the Space Shuttle (Endeavour in a changing EMI space)

Demonstration of four operating capabilities to enable a small aircraft transportation system

The pilot advisor: assessing the need for a procedural advisory tool

The design and evaluation of a traffic situation display for a SATS self controlled area

Air traffic control studies of small aircraft transportation system operations

Global navigation satellite system (GNSS) and area navigation (RNAV) benefiting general aviation

Flight technical error analysis of the SATS higher volume operations simulation and flight experiments

SATS HVO procedures for priority landings and mixed VFR/IFR operations

Opportunities for Energy Management Approach Profiles at SATS Airports

Effect of predictive and reactive flying on pilot performance for segmented approaches

Flight testing of an airborne SVS with highway-in-the-sky on a head-up display

An airborne synthetic vision system with HITS symbology using X-Plane for a head up display

Low-cost, dual-mode enhanced vision sensor prototype

SATS link independent data concepts

Challenges of reducing landing minima and enabling single-pilot operations through the use of synthetic vision/highway-in-the-sky technologies

Readiness of SATS Operating Capabilities for FAA Certification and Deployment

Simulation study on trajectory-based high density operations with helicopters

Prototype of a small aircraft avionics using hybrid data bus technology

Reliability and stability survey on CAN-based avionics network for small aircraft

Neural network based three axis satellite attitude control using only magnetic torquers

Comparison of host radar positions to Global Positioning Satellite positions

Wide Area Multilateration, the Transition to ADS-B

Enhanced Oceanic Operations

Validation of the DTW DE-Icing Model

Maximum lateral flight deviations from the ILS centerline

Navigating towards the future: transitioning from terrestrial radio navigation to satellite navigation and airborne surveillance

ADDR-GPS data fusion using Kalman filter algorithm

ISAR image reconstruction technique with stepped frequency modulation and multiple receivers

ISAR imaging of the ship target at sea

Integrated Vehicle Health Management as a system engineering discipline

Developing flexible models and efficient tools for reconfiguration of HUMS architectures

A process model for engineering of complex systems architectures with complex subsystem architecture reuse in mind

Tools for reuse of HUMS architectures: a survey

Case study of the Space Shuttle cockpit avionics upgrade software

Advanced Technology National Research Center

Cumulative interference to aircraft radios from multiple portable electronic devices

An efficient power reduction technique for low power data I/O for military applications

System software framework for system of systems avionics

The domain-specific software architecture of avionics testing system

Hardware in the loop laboratory simulation to test a distributed avionic system

Layer 2 Technologies for Aircraft Data Networks

Cots Hardware Performance Vs the PC

Reconfigurable launch acceptability region calculator for airborne systems

Automatic code generation tool for avionic fuel distributed control systems

Progress in aviation through aircraft engineering and modification

Distributed middleware requirements for disparate avionics and control software

A common architecture prototype for army tactical and FCS UAVS

Producing a safety case for IMA blueprints

A proposal for model-based safety analysis

Assuring certifiability of outsourced software development - a DER'S perspective

Solving the embedded OpenGL puzzle - making standards, tools, and APIs work together in highly embedded and safety critical environments

OpenGL ES SC - open standard embedded graphics API for safety critical applications

Partitioning Communications System: High Assurance Architecture for Distributed Digital Avionics Systems

Security architecture for system wide information management

Mobile military security with concentration on unmanned aerial vehicles

Learning and knowledge extraction from a potential based neural network

Beepbeep, Encryption Designed for Real-Time Software Implementation

Aeronautical System Center's ESOH programmatic risk tool

Application of Six Sigma tools to product line business plan development

Providing realistic complexity in distributed military simulation systems: the dynamic adaptive threat environment architecture

Issues in fidelity, architecture, and security for computer generated actors in network centric warfare simulations

Systems engineering: a practical approach for junior engineers

Holistic systems engineering: physical, informational, and cognitive domains

Design for stackability of flash memory devices based on thermal optimization

Polymer tube embedded in-plane micropump for low flow rate

Design of complex systems: issues and challenges

Ground-based laser/optical countermeasure - anti-MANPADS

RF propagation characteristics of in-cabin CDMA mobile phone networks

Military digital avionics fiber-optic network design for maintainability and supportability

Volume 1 - 2005

The 23rd Digital Avionics Systems Conference (IEEE Cat. No.04CH37576)

Digital Avionics Systems Conference, 2003. DASC '03. The 22nd

Proceedings. The 21st Digital Avionics Systems Conference

20th DASC. 20th Digital Avionics Systems Conference (Cat. No.01CH37219)

19th DASC. 19th Digital Avionics Systems Conference. Proceedings (Cat. No.00CH37126)

Gateway to the New Millennium. 18th Digital Avionics Systems Conference. Proceedings (Cat. No.99CH37033)

17th DASC. AIAA/IEEE/SAE. Digital Avionics Systems Conference. Proceedings (Cat. No.98CH36267)

16th DASC. AIAA/IEEE Digital Avionics Systems Conference. Reflections to the Future. Proceedings

15th DASC. AIAA/IEEE Digital Avionics Systems Conference

Proceedings of 14th Digital Avionics Systems Conference

AIAA/IEEE Digital Avionics Systems Conference. 13th DASC

[1992] Proceedings IEEE/AIAA 11th Digital Avionics Systems Conference

IEEE/AIAA 10th Digital Avionics Systems Conference

9th IEEE/AIAA/NASA Conference on Digital Avionics Systems

RF propagation characteristics of in-cabin CDMA mobile phone networks

Content Provider	IEEE Xplore Digital Library
Author	Breit, G.A. Hachem, H. Forrester, J. Guckian, P. Kirchoff, K.P. Donham, B.J.
Copyright Year	2005
Description	Author affiliation: QUALCOMM Inc., San Diego, CA, USA (Breit, G.A.; Hachem, H.; Forrester, J.; Guckian, P.)
Abstract	Towards the goal of evaluating compatibility between passenger transmitting portable electronic devices (T-PEDs) and potential interference victims, such as avionics receivers and terrestrial mobile phone networks, we conducted an investigation onboard a Boeing MD-90 aircraft using CDMA handsets. The objectives of these tests were: 1) to determine a multiple equipment factor (MEF) to create a simulated signal source with RF energy equivalent to multiple T-PEDs inside the cabin; 2) to verify the hypothesis that MEF can be determined analytically using an accurate path loss model and the spatial distribution of T-PEDs within the cabin; 3) to evaluate external RF signal leakage from in-cabin mobile networks to assess potential interference to terrestrial mobile phone networks; 4) to evaluate passenger effects on RF propagation within the aircraft cabin. The aircraft cabin was equipped with picocell equipment capable of supporting 100 simultaneous CDMA mobile phone calls. 100 commercial-grade CDMA handsets were distributed evenly throughout the cabin. All handsets were configured for one of two scenarios: 1) manual full-power operation (representing the worst case); or 2) power-controlled communication with the picocell, where the phone is dynamically commanded to transmit the minimum power necessary to maintain the digital link. In each of these configurations, received power was measured mid-aisle along the length of the cabin, as well as external to the aircraft to a range of 1 km. Major findings were: 1) At mid-aisle, typical MEF for 100 phones was 9 dB; 2) MEF was accurately predicted from a empirically-derived path loss model and the known distribution of devices within the cabin; 3) Compared to full-power operation, cumulative power from 100 phones was reduced by approximately 60 dB when in communication with an onboard picocell; 4) Under picocell control, cumulative signal power from 100 phones was not observable beyond approximately 200 meters from the aircraft; 5) A handset outside the aircraft was unable to acquire the picocell signal beyond approximately 500 meters; 6) Each passenger standing in the aisle produced 0.5 to 1.0 dB of additional path loss along the length of the cabin.
File Size	520135
File Format	PDF
ISBN	0780393074
DOI	10.1109/DASC.2005.1563488
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Multiaccess communication Mobile handsets Aircraft Telephone sets Aerospace electronics Aerospace control Interference Testing Analytical models
Content Type	Text
Resource Type	Article

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