04-04-2012, 01:18 PM
VLSI-Very Large Scale Integrated Circuit
report.doc (Size: 665.5 KB / Downloads: 76)
INTRODUCTION
In the modern world people are interested in using compact equipments very large scale integration (VLSI) is the latest technology which steeply reduces the size of equipments.
In this project the design of OQPSK using cordic algorithm which produces the very strong versatility and the very good probability frequency and it is applicable for various applications. VLSI chip is designed using VHDL program and implemented using FPGA kit.
Offset quadrature phase-shift keying (OQPSK) is a variant of phase-shift keying modulation using 4 different values of the phase to transmit. It is sometimes called staggered quadrature phase-shift keying (SQPSK).
LITERATURE SURVEY:
Daniel M Munoz1, et al (2010) “FPGA based floating-point library for cordic algorithms”.
This paper describes Cordic is particularly well-suited for handheld calculators, an application for which cost (e.g., chip gate count has to be minimized) is much more important than is speed. Also the cordic subroutines for trigonometric and hyperbolic functions can share most of their code.
OBJECTIVE:
The main objective of this project is to design OQPSK using cordic algorithm which produces the very strong versatility and the very good probability frequency and it is applicable for various applications.
ORGANIZATION OF THE PROJECT REPORT:
Chapter 1 gives the introduction, objective, literature survey, tools used and organization of the project.
Chapter 2 presents a methodology for the design of OQPSK using cordic algorithm which produces the very strong versatility and the very good probability frequency and it is applicable for various applications.
CONVENTIONAL RC5 ARCHITECTURE:
It performs both encryption and decryption with two different cores, Encrypt and Decrypt, respectively. This architecture design is based on RC5 specifications, which define two different schemes: one for encryption and one for decryption.
Advantages:
The primary use of the CORDIC algorithms in a hardware implementation is to avoid time-consuming complex multipliers. The computation of phase for a complex number can be easily implemented in a hardware description language using only adder and shifter circuits bypassing the bulky complex number multipliers
Applications:
Hardware:
CORDIC is generally faster than other approaches when a hardware multiplier is unavailable (e.g., in a microcontroller based system), or when the number of gates required to implement the functions it supports should be minimized (e.g., in an FPGA).
CONCLUSION:
This paper has done the quite thorough analytical investigation to the OQPSK modulation method with the CORDIC algorithms in a hardware implementation is to avoid time-consuming complex multipliers.
report.doc (Size: 665.5 KB / Downloads: 76)
INTRODUCTION
In the modern world people are interested in using compact equipments very large scale integration (VLSI) is the latest technology which steeply reduces the size of equipments.
In this project the design of OQPSK using cordic algorithm which produces the very strong versatility and the very good probability frequency and it is applicable for various applications. VLSI chip is designed using VHDL program and implemented using FPGA kit.
Offset quadrature phase-shift keying (OQPSK) is a variant of phase-shift keying modulation using 4 different values of the phase to transmit. It is sometimes called staggered quadrature phase-shift keying (SQPSK).
LITERATURE SURVEY:
Daniel M Munoz1, et al (2010) “FPGA based floating-point library for cordic algorithms”.
This paper describes Cordic is particularly well-suited for handheld calculators, an application for which cost (e.g., chip gate count has to be minimized) is much more important than is speed. Also the cordic subroutines for trigonometric and hyperbolic functions can share most of their code.
OBJECTIVE:
The main objective of this project is to design OQPSK using cordic algorithm which produces the very strong versatility and the very good probability frequency and it is applicable for various applications.
ORGANIZATION OF THE PROJECT REPORT:
Chapter 1 gives the introduction, objective, literature survey, tools used and organization of the project.
Chapter 2 presents a methodology for the design of OQPSK using cordic algorithm which produces the very strong versatility and the very good probability frequency and it is applicable for various applications.
CONVENTIONAL RC5 ARCHITECTURE:
It performs both encryption and decryption with two different cores, Encrypt and Decrypt, respectively. This architecture design is based on RC5 specifications, which define two different schemes: one for encryption and one for decryption.
Advantages:
The primary use of the CORDIC algorithms in a hardware implementation is to avoid time-consuming complex multipliers. The computation of phase for a complex number can be easily implemented in a hardware description language using only adder and shifter circuits bypassing the bulky complex number multipliers
Applications:
Hardware:
CORDIC is generally faster than other approaches when a hardware multiplier is unavailable (e.g., in a microcontroller based system), or when the number of gates required to implement the functions it supports should be minimized (e.g., in an FPGA).
CONCLUSION:
This paper has done the quite thorough analytical investigation to the OQPSK modulation method with the CORDIC algorithms in a hardware implementation is to avoid time-consuming complex multipliers.