uhf communication system uhf communication system uhf
play

UHF Communication System UHF Communication System UHF Communication - PowerPoint PPT Presentation

Sep 27, 2022 •6 likes •196 views

UHF Communication System UHF Communication System UHF Communication System UHF Communication System for Modular Satellite for Modular Satellite for Modular Satellite for Modular Satellite supervisor: Prof. Claudo Sanso Prof. Dante Del

  1. UHF Communication System UHF Communication System UHF Communication System UHF Communication System for Modular Satellite for Modular Satellite for Modular Satellite for Modular Satellite supervisor: Prof. Claudo Sansoè Prof. Dante Del Corso Prof. Leonardo Reyneri candidate: Lv Shuai 21th September, 2010

  2. Agenda Agenda Agenda Agenda � Introduction � Hardware Development � Software Development � Realization and Test � Conclusion

  3. I I ntroduction ntroduction I Introduction ntroduction � AraMiS project � Modular Architecture for Satellite � Evolustion of PiCPoT � RF communication system � S band (2.4GHz) UHF band (437MHz) UHF band (437MHz) � UHF band (437MHz) UHF band (437MHz) � Design Specifications (UHF) small size, low weight, low power, half-duplex, 9600 baud, compatible with amatuer radio

  4. I I ntroduction ntroduction I Introduction ntroduction � UHF System Structure TNC Through microcontroller programming, realize the functionality of a TNC!

  5. Hardware Development Hardware Development Hardware Development Hardware Development � Devices Selection MCU MCU MCU MCU MSP430F149 Transceiver Transceiver Transceiver Transceiver CC1020 � Main Circuit PA PA PA PA RF2175 3 External components ① Input/output matching 1 ② Bias resistor ③ PLL loop filter ④ Crystal 2 ⑤ Decoupling and filtering capacitors 4

  6. Hardware Development Hardware Development Hardware Development Hardware Development � Interface � MCU and OBC (On-Board-Computer) -- USART0 of MCU works in UART mode as a serial bus configuration � MCU and CC1020 1.Configuration -- 3-wire SPI bus 2.Signal MCU is the Slave Tx: USART1 in SPI mode Rx: basic I/O function signal

  7. Software Development Software Development Software Development Software Development � Softare Functionality Modules supply interfaces of CC1020 Realize TNC Functions Functionality to configure CC1020 Communicate with OBC ! AX25.c realized the TNC functionality

  8. Software Development Software Development Software Development Software Development MCU main processing loop （ main.c ）

  9. Software Development Software Development Software Development Software Development TNC Functionality (AX25.C) � AX.25 protocol -- designed for amateur radio � HDLC (High-Level Datalink Control) --NRZI encoding --Bit stuffing --Frame Deliminiting

  10. Software Development Software Development Software Development Software Development � Polynomial scrambling/descrambling (G3RUH standard) � standard 9600 baud modem, 1+x 12 +x 17 � built with logic shift registers and exclusive- -OR gate descrambler scrambler

  11. Realization & Test Realization & Test Realization & Test Realization & Test � Software Tool � Mentor Graphics � PCB realization

  12. Realization & Test Realization & Test Realization & Test Realization & Test � Experiment construction

  13. Realization & Test Realization & Test Realization & Test Realization & Test � Test Environment � Hardware

  14. Realization & Test Realization & Test Realization & Test Realization & Test

  15. Realization & Test Realization & Test Realization & Test Realization & Test � Software 2 state of the system 1 MCU software 3 Control TNC

  16. Realization & Test Realization & Test Realization & Test Realization & Test � Result AraMiS Logo supsequent information

  17. Realization & Test Realization & Test Realization & Test Realization & Test

  18. Conclusion Conclusion Conclusion Conclusion � Realization This project has developed a small size, low wight, low power and amateur radio compatible UHF communication system with 9600 baud data rate. � Future Work � Long range test � Reliability test in radiation environment

Recommend

SK Telecom 1 U U U U U U U- U - - communication - - - - - communication

SK Telecom 1 U U U U U U U- U - - communication - - - - - communication

U U U U U U U- U - - communication - - - - - communication communication communication communication communication communication communication Korea Mobile Market Trend for Convergence & Ubiquitous Communication 2004.

400 views • 16 slides
Lab 2 Group Communication Desired group communication Multicast communication Andreas

Lab 2 Group Communication Desired group communication Multicast communication Andreas

Overview Introduction to group communication Lab 2 Group Communication Desired group communication Multicast communication Andreas Larsson Group membership service 2009-02-04 DSII: Group Comm. 2 A Distributed System in

415 views • 6 slides
Real-Time Communication slide credits: H. Kopetz, P. Puschner Overview Communication system

Real-Time Communication slide credits: H. Kopetz, P. Puschner Overview Communication system

Real-Time Communication slide credits: H. Kopetz, P. Puschner Overview Communication system requirements Controlling the flow of messages Types of protocols Properties of communication protocols Protocol examples 2 Importance

2.22k views • 87 slides
Interprocess Communication (IPC) The characteristics of protocols for communication between

Interprocess Communication (IPC) The characteristics of protocols for communication between

Interprocess Communication (IPC) The characteristics of protocols for communication between processes in a distributed system Exploring the Middleware Layers Applications, services RMI and RPC and Request Reply Protocol Marshalling and

883 views • 64 slides
System Calls and Signals: Communication with the OS System Call Jonathan Misurda An operation

System Calls and Signals: Communication with the OS System Call Jonathan Misurda An operation

System Calls and Signals: Communication with the OS System Call Jonathan Misurda An operation (function) that an OS provides for running applications to use jmisurda@cs.pitt.edu CS 1550 2077 strace ./hello fstat(1, {st_mode=S_IFCHR|0600,

368 views • 5 slides
INTRODUCTION TO SPREAD SPECTRUM ETI 2526 Monday, April 9, 2018 CONCERNS IN COMMUNICATION SYSTEM

INTRODUCTION TO SPREAD SPECTRUM ETI 2526 Monday, April 9, 2018 CONCERNS IN COMMUNICATION SYSTEM

INTRODUCTION TO SPREAD SPECTRUM ETI 2526 Monday, April 9, 2018 CONCERNS IN COMMUNICATION SYSTEM 1. Most focus in communication system study is focused on efficient use of signal energy and bandwidth. 2. There are however circumstances where

268 views • 23 slides
D ISTRIBUTED S YSTEMS [COMP9243] In a Non-Distributed System: Two approaches to communication:

D ISTRIBUTED S YSTEMS [COMP9243] In a Non-Distributed System: Two approaches to communication:

D ISTRIBUTED S YSTEMS [COMP9243] In a Non-Distributed System: Two approaches to communication: Lecture 4: Communication Shared memory Slide 1 Slide 3 Communication in a Distributed System Shared memory vs message passing

697 views • 12 slides
SPREAD SPECTRUM PRINCIPLES ECE2526 MOBILE COMMUNICATION Monday, March 9, 2020 CONCERNS IN

SPREAD SPECTRUM PRINCIPLES ECE2526 MOBILE COMMUNICATION Monday, March 9, 2020 CONCERNS IN

SPREAD SPECTRUM PRINCIPLES ECE2526 MOBILE COMMUNICATION Monday, March 9, 2020 CONCERNS IN COMMUNICATION SYSTEM 1. Most focus in communication system study is focused on efficient use of signal energy and bandwidth. 2. There are however

510 views • 24 slides
ECE 2526 MOBILE COMMUNICATION Monday, 10 February 2020 1 SECTION IN IN THE SYLLABUS

ECE 2526 MOBILE COMMUNICATION Monday, 10 February 2020 1 SECTION IN IN THE SYLLABUS

GLOBAL SYSTEM FOR MOBIL BILE COMMUNICATION - ARCHITECT CTURE & SE SECURITY ECE 2526 MOBILE COMMUNICATION Monday, 10 February 2020 1 SECTION IN IN THE SYLLABUS General architecture and interfaces of cellular system and the PSTN

610 views • 36 slides
Communication Middleware Software Layers 1.1 A distributed system organized as middleware. Note

Communication Middleware Software Layers 1.1 A distributed system organized as middleware. Note

Communication Middleware Software Layers 1.1 A distributed system organized as middleware. Note that the middleware layer extends over multiple machines. 2 Communication Alternatives Raw message passing TCP/IP: reliable byte stream

875 views • 26 slides
Inter-process Communication Emmanuel Fleury B1-201 fleury@cs.aau.dk 1 Outline

Inter-process Communication Emmanuel Fleury B1-201 fleury@cs.aau.dk 1 Outline

(System V) Inter-process Communication Emmanuel Fleury B1-201 fleury@cs.aau.dk 1 Outline Inter-Process Communication Semaphores Message Queues Shared Memory Segments 2 Inter-Process Communication 3 What is (System V) IPC

828 views • 62 slides
Session 12 Assessing and Developing Communication SECTION 4: 1 Communication Communication

Session 12 Assessing and Developing Communication SECTION 4: 1 Communication Communication

Session 12 Assessing and Developing Communication SECTION 4: 1 Communication Communication assessment of communication during everyday events to see which is the most effective communication method of verbal communication

536 views • 9 slides
communication and collaboration models CSCW Issues and Theory All com puter system s have group

communication and collaboration models CSCW Issues and Theory All com puter system s have group

chapter 14 communication and collaboration models CSCW Issues and Theory All com puter system s have group im pact not just groupware Ignoring this leads to the failure of system s Look at several levels minutiae to large scale

329 views • 13 slides
ETERNITY ME ETERNITY ME The Complete Communication System for Medium Enterprises ETERNITY ME

ETERNITY ME ETERNITY ME The Complete Communication System for Medium Enterprises ETERNITY ME

ETERNITY ME ETERNITY ME The Complete Communication System for Medium Enterprises ETERNITY ME ETERNITY ME16S Matrix ETERNITY ME The Complete Communication System for Medium Enterprises Introduction Integrated Digital Voice

726 views • 41 slides
Next Generation Mobile Communication Technology (MIMO OFDMA System and RRM technique) Pradip

Next Generation Mobile Communication Technology (MIMO OFDMA System and RRM technique) Pradip

Next Generation Mobile Communication Technology (MIMO OFDMA System and RRM technique) Pradip Paudyal Department of Information System, Corvinus University of Budapest pradipmailin@hotmail.com Content Introduction OFDM Basics MIMO-

1.18k views • 51 slides
Communication network for the GPS III system Simon Crevals Prof. dr. G. Brinkmann N. Van

Communication network for the GPS III system Simon Crevals Prof. dr. G. Brinkmann N. Van

Communication network for the GPS III system Simon Crevals Prof. dr. G. Brinkmann N. Van Cleemput Department of Applied Mathematics and Computer Science Ghent University July 2010 Introduction 1 First test 2 Final program 3 Results 4

680 views • 47 slides
Design/Procure/Install a Communication Based Overlay Signal System (CBOSS)/ Positive Train

Design/Procure/Install a Communication Based Overlay Signal System (CBOSS)/ Positive Train

Design/Procure/Install a Communication Based Overlay Signal System (CBOSS)/ Positive Train Control (PTC) System Recommendation for Contract Award JPB Board of Directors October 6, 2011 Background Caltrain Initiated the Development of a

497 views • 15 slides
LTE as the Future Railway Communication System: Benefits and Challenges Jos I. Alonso

LTE as the Future Railway Communication System: Benefits and Challenges Jos I. Alonso

LTE as the Future Railway Communication System: Benefits and Challenges Jos I. Alonso Technical University of Madrid Date: November 25, 2013 OUTLINE Introduction Railway Services & Applications. GSM-R Migration Process.

229 views • 21 slides
Vermont Communication Support Project Communication Support In and Out of the Courtroom

Vermont Communication Support Project Communication Support In and Out of the Courtroom

Vermont Communication Support Project Communication Support In and Out of the Courtroom Disability, Communication & Accommodations COMMUNICATION COMMUNI NICATI TION Commu mmuni nication Commun unic icatio ion Communication

654 views • 24 slides
Above 2 GHz Common Communication System Architecture Presented by: Eric Johnson Raytheon

Above 2 GHz Common Communication System Architecture Presented by: Eric Johnson Raytheon

Above 2 GHz Common Communication System Architecture Presented by: Eric Johnson Raytheon Company 11/1/2004 Page 1 Presentation Overview Network Architecture and Mission Overview Challenges for above 2GHz System Architecture

357 views • 15 slides
Keep Communication Going Please download the Keep Communication Going Worksheet and Handouts 1

Keep Communication Going Please download the Keep Communication Going Worksheet and Handouts 1

Keep Communication Going Please download the Keep Communication Going Worksheet and Handouts 1 before beginning this class. Keep Communication Going (APR 2013) Principles of Communication Communication is . . . A process by which

509 views • 7 slides
Interprocess Communication 11 Only a brain-damaged operating system would support task

Interprocess Communication 11 Only a brain-damaged operating system would support task

Interprocess Communication 11 Only a brain-damaged operating system would support task switching and not make the simple next step of supporting multitasking. Calvin Keegan Processes Abstraction of a running program Unit of

214 views • 19 slides
CoMac Communication System: A Feasibility Implementation of Language- centered Intervention for

CoMac Communication System: A Feasibility Implementation of Language- centered Intervention for

CoMac Communication System: A Feasibility Implementation of Language- centered Intervention for T2DM Ulla Connor, PhD, Indiana University School of Liberal Arts, Indianapolis, IN, USA Lucina Kessler, MSN, APRN, ACNS-BC, CDE, Columbus Regional

193 views • 15 slides
UNIVERSAL MOBILE TELECOMMUNICATION SYSTEM (UMTS) ECE 2526 MOBILE COMMUNICATION Monday, 16

UNIVERSAL MOBILE TELECOMMUNICATION SYSTEM (UMTS) ECE 2526 MOBILE COMMUNICATION Monday, 16

UNIVERSAL MOBILE TELECOMMUNICATION SYSTEM (UMTS) ECE 2526 MOBILE COMMUNICATION Monday, 16 March 2020 1 WHAT IS UMTS? /01 1. The U niversal M obile T elecommunications S ystem (UMTS) is a third generation mobile cellular system for networks

688 views • 13 slides

More recommend