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Unit 1 Assignment 2 Data Communication

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Assignment 2 Data Communication- Net Centric

Question 1

CDMA is what that have a several protocols that was used in the 2G and 3G wireless communication. CDMA is a service that provide all the communication overall and it also provide in major service in network capacity. CDMA service is mostly used in Cell phone and it can be easily be used for communicating terminal with two base stations. CDMA is a form of multiplexing, which allow a number of signals to work on a single transmission channel and also boost the use of available bandwidth. CDMA has been used in all upcoming generation of Technology system in one form and has a benefit the wireless technologies.
CDMA provide analog to digital conversion with the help of spread spectrum technology. Following are the steps
⦁ Audio input is digitized into binary element
⦁ The transmitted signal is then varied according to patterns
⦁ The receiver than can easily intercept the …show more content…
WCDMA (Wide-band Code Division Multiple Access) Single Unified Standard
TECHNOLOGY
Analog Cellular Digital Cellular Broadband with CDMA,
IP (Internet Protocol) technology Unified IP and seamless combination of broadband,
LAN, WAN, & WLAN.
SERVICES Mobile Technology
(Voice) Digital Voice, SMS, Higher Capacity Packetized Integrated high quality audio and video Dynamic information access,
MULTIPLEXING FDMA TDMA & CDMA CDMA MC-CDMA / OFDM (TDMA)
SWITCHING Circuit Circuit & Packet Packet All packet
CORE NETWORK PSTN (Public Switched Telephone Network) PSTN (Public Switched Telephone Network) Packet Network Internet
HANDOFF Horizontal Horizontal Horizontal Horizontal and Vertical

Q2: Dual Band

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