Tecnologias e Aplicações Móveis

The teaching of the course will be divided into three parts: a theoretical part with the exposition and explanation of the theoretical foundations, a practical part with solving exercises, and a laboratory part with the use of equipment and software that consolidates the learning results. The assessment of the course will focus on these three aspects. It will have a written test, worth 20 points. In this written test, the theoretical part will have a value of 7 values, and the practice of 13 values. The laboratory work will be quoted for 20 values. The final grade is obtained through the average of the grades of the written test and the laboratory work.

This curricular unit intends to focus on the most relevant wireless transmission technologies that currently exist. These include cellular networks such as GSM, UMTS, DECT and TETRA, metropolitan area wireless networks (eg IEEE 802.16), local area wireless networks (eg IEEE 802.11), personal area wireless networks (eg IEEE 802.15), satellite systems and wireless broadcast systems such as DVB and DAB. Students who successfully complete this curricular unit will become familiarized with the most important wireless transmission technologies existing today, and with their implementation in different application contexts.

Evolution. Transmission Techniques. Spectral Representation. Sampling and Quantization. Propagation in a wireless medium. Modulation (AM, FM, PSK, FSK, ASK, PAM). Spread Spectrum (DSSS, FHSS). Multiplexing (FDM, TDM, CDM). FDD versus TDD. OFDM. Access to the Middle. Aloha. Slotted Aloha. Algorithms with explicit (DAMA) and implicit (PRMA) reservation. APPLE. Methods of scrutiny. SDMA. FDMA. TDMA. CDMA. Wireless Communication Systems. Evolution. GSM (Global System for Mobile Communication). GPRS (General Packet Radio Service). DECT (Digital Enhanced Cordless Telecommunication). TETRA (Terrestrial Trunked Radio). UMTS (Universal Mobile Telecommunications System). 4G. Satellite Systems. GEO (Geostationary Earth Orbit). LEO (Low Earth Orbit). MEO (Medium Earth Orbit). Broadcast Systems. DAB and. DVB. Wireless PANs, LANs and MANs. Bluetooth, ZigBee (IEEE 802.15), 6LoWPAN. WiFi (IEEE 802.11a/b/g/n). WiMax (IEEE 802.16d/e). Network Protocols. Mobile IP (MIP). Ad-hoc networking.

• - Exam - 50.0%
• - Report - 50.0%

• - Theoretical Test 1 - 25.0%
• - Theoretical Test 2 - 25.0%
• - Report - 50.0%

NAO