Flexible Wireless Receivers: On-Chip Testing Techniques and Design for Testability

In this project we will talk about flexible wireless receivers. The growing wireless applications encourage the conception of new wireless standards. The end user wishes to access voice, data, and streaming media by using a single wireless terminal. In RF perspective, most of these standards vary in frequency band, sensitivity, data rate, bandwidth, and modulation type. For that reason, an adaptable multistandard radio receiver covering the majority of the cellular, WLAN, and short range communication standards in 800MHz to 6GHz band is really needed. To maintain the price low, high level of integration is a prerequisite for the multistandard flexible radio. Because of intense CMOS scaling the fT of the transistors has exceeded the value of 200 GHz. Furthermore, as the CMOS technologies have shown to be the best designed for monolithic integration, thus it is apparently the future option for the physical implementation of such a flexible receiver. In this project, a couple of multiband sampling radio receiver front-ends implemented in 130 nm and 90 nm CMOS including test circuitry (DfT) are introduced which is a step forward in this area .In present day radio transceivers the approximated expense of testing is a major percentage of manufacturing cost and it is rising with every new generation of RF chips. To be able to lessen the test cost it is essential to recognize the faulty circuits at the beginning of the design flow, even before packaging. In this thesis, on-chip testing methods to minimize the test cost and time are introduced. For integrated RF transceivers the chip reconfiguration by loopback setup could be employed.

Watch a video on The History of Wireless Communication

Flexible Wireless Receivers Project Topics

Part I Background
Chapter 1 Introduction
1.1 Historic Pictorial of Wireless Communication
1.1.1 Trends in CMOS Scaling
1.1.2 Radio Transceiver Architectures
1.1.3 Emerging Wireless Standards
1.2 Testing of Next Generation Transceivers
1.3 Motivation and Scope of Thesis
1.4 Bibliography
Chapter 2 Receiver Architectures
2.1 Introduction
2.2 Radio Receiver Performance Parameters
2.3 Image Problem
2.4 Receiver Architectures
2.4.1 Super#Heterodyne
2.4.2 Zero#IF (Direct Conversion) Receiver
2.4.3 Low#IF Receiver
2.5 Flexible Digital Receivers
2.5.1 Technology and Architecture for Flexible Receivers
2.6 Classic Software#Defined Radio (SDR)
2.7 Practicle Software#Define Radio
2.7.1 Wideband Direct RF Sampling Receivers
2.7.2 Wideband Zero# or Low#IF ∑ Over#Sampling Receivers
2.8 Flexible Receivers – Summary and Trends
2.9 Bibliography
Chapter 3 Wireless Transceiver Testing
3.1 Introduction
3.2 Cost of Test (COT)
3.3 Product Life Cycle of a Typical Radio Transceiver
3.4 RF Test Methodologies
3.4.1 Component Level Testing
3.4.2 System Level Testing (EVM & BER)
3.4.3 Functional and Specification Based RF Testing
3.4.4 Defect or Fault Oriented RF testing
3.5 Enabling the RF Testing
3.5.1 Mixed Signal Automatic Test Equipment (ATE)
3.5.2 Built#in Loopback Testing
3.6 RF Test Methodologies − Summary and Trends
3.7 Bibliography
Chapter 4 Design for Testability (DfT)A Circuit Perspectiv
4.1 Introduction
4.2 General Setup for On#Chip RF Measurement
4.3 RF Test Attenuator
4.4 RF Stimulus Generator
4.5 RF Detector……..

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