Hey fellow fadoos, I'm an engineering student at bharati vidyapeeth university, pune.
I am looking for a book for Data Communication Systems. The syllabus is:

Unit -I
Introduction:

Data, Signal, Information, Sampling Theorem, Natural and Flat-top
Sampling. Pulse Amplitude Modulation. Time Division Multiplexing,
Pulse Transmission Over Band Limited Channel, Cross talk, and Guard
Time Inter Symbol Interference. Source Coding Techniques in Digital
Communication: Pulse Code Modulation Encoder/Decoder, Multiple
Channels frame Alignment for PCM-TDM, Simplex, duplex.


Unit –II
Amplitude and Angle Modulation:
Amplitude Modulation & Its Variations like DSB-FC, SSB-SC, Frequency
Modulation, Phase Modulation, Principle of Super Heterodyne Radio
Receiver (Block diagrams only). Application in brief for Above
Modulation Techniques e.g. radio, T.V., Mobile Phone. Pulse
Modulation: Delta modulation. Slope Overload and Adaptive Delta
Modulation, Applications Of Above Source Coding Techniques as Data
Compression Tools e.g. Linear Predictive Coders, Voice Coders, DMA.



Unit-III
Communication:
Measure of Information, Entropy, Information Rate, Shannon's Theorems
on Channel Capacity, Codes For Error Detection And Correction such
as Parity, Vertical Redundancy Check, Longitudinal Redundancy Check,
Checksum, Block Check Character, Block codes - Hamming Code, Cyclic
Redundancy Check Codes. Line Codes Such As Bipolar, Uni-polar, RZ,
NRZ, Manchester, AMI and Handshaking Techniques like FEC, ARQ,
Channel Throughput and Efficiency Calculations.


Unit-IV
Modems:
Digital Continuous Wave Modulation Techniques For Modem Such As
ASK, PSK, FSK, Block Diagram of Modem And Interface Control For
Typical Modem, Modem Standards. Network Protocols: International
Standards Organization - Open System Interconnection (ISO-OSI)
Architecture, Seven layer models, Physical layer protocol, RS232, RS-422,
RS-449, 4 to 20 mA Current interfaces. Data link level Protocol HDLC,
SDLC, X-25, LAN, WAN, ISDN. Telephone Network: Wire telephony,
Subscriber loop, Trunk circuits. Four wire terminating set. Public switch
telephone networks, Frame Relay.


Unit-V
Satellite Communication:
Orbital aspects. Geostationary satellite, Station keeping, Frequency plans
and polarization, Transponders, Multiple access methods. Fiber optic
communication: Principle of light transmission in Fiber, types and modes
of fiber, losses in Fiber. Dispersion, light sources and detectors, fiber
optic communication link, Physical Layer of Wireless Media.


Unit-VI
Cellular Mobile Communication System:
Cell structure, Frequency reuse, Roaming, transmitter, Receiver, Special
services provided by cellular phone, IEEE 802.11,WI-
FI, Blutooth, GSM, GPRS.