Essays about: "GSM noise"

Showing result 1 - 5 of 9 essays containing the words GSM noise.

  1. 1. Multi-Path Dierential Delay Line based Time-to-Digital Converter for ADPLL

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : XIAOLONG CHEN; [2013]
    Keywords : ;

    Abstract : All digital phase-locked loops (ADPLLs) play an important role in contemporary applications such as Bluetooth, GSM, WCDAM and WiFi. A timeto-digital converter (TDC) is the critical part in the ADPLL, usually the dominant quantization noise contributor. The quantization noise is caused by the nite resolution of the TDC. READ MORE

  3. 2. Change Detection in Telecommunication Data using Time Series Analysis and Statistical Hypothesis Testing

    University essay from Matematiska institutionen; Tekniska högskolan

    Author : Tilda Eriksson; [2013]
    Keywords : counter data; software update; change detection; stochastic; time series; daily prole; noise; mean value; statistical hypothesis tests;

    Abstract : In the base station system of the GSM mobile network there are a large number of counters tracking the behaviour of the system. When the software of the system is updated, we wish to find out which of the counters that have changed their behaviour. READ MORE

  4. 3. Ad Hoc Network Nodes Scheduling using DS and FH CDMA

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Farhan Khan; Muhammad Umer Khan and Noman Ellahi; [2013]
    Keywords : Ad Hoc Network; Node Scheduling; FH-CDMA; DS-CDMA;

    Abstract : Nowadays most communication networks like GSM, WLan or WiMAX are based on pre-existing infrastructure. These infrastructures are complicated, costly and difficult to deploy in very short time. Whereas Wireless Ad Hoc Networks are infrastructure-free self organizing networks which consist of co-operating nodes. READ MORE

  5. 4. Low-Power Low-Noise IQ Modulator Designs in 90nm CMOS for GSM/EDGE/WCDMA/LTE

    University essay from Institutionen för systemteknik

    Author : Mattias Johansson; Jonas Ehrs; [2010]
    Keywords : RF; ASIC; Analog Integrated Circuit; IQ Modulator; IQM; CMOS; 90nm; Predistortion; Mixer; Envelope Tracking; Direct Conversion;

    Abstract : The current consumption of the IQ modulator is a significant part of the totalcurrent consumption of a mobile transmitter platform and reducing it is of greatinterest. Also, as the WCDMA/LTE standards specifies full duplex transmissionsand Tx and Rx are most often using the same antenna, it is crucial to have asolution with low noise generation. READ MORE

  6. 5. Receiver Front-end Design for WiMAX/LTE in 90 nm CMOS

    University essay from

    Author : Hans Rabén; [2009]
    Keywords : ;

    Abstract : The development of wireless communication systems into multi-standard radio architectures that can process a multitude of frequency bands and modulation schemes has lead to a growing demand for wideband receiver front-ends. To allow for portability and low cost, these new architectures also need to be low power, compact size integrated circuits with a higher degree of components integrated on chip. READ MORE