need a research paper

you are to conduct research on a spread spectrum communication system or related topic of your choice and report on it in a written report. the goal of this paper is to cover technical and operational details with specific focus on how the spread spectrum techniques are used. some ideas follow: -GPS -comparison of modulation methods -fading channels -complex envelop representation -cellular phones:analog/digital comparison -code tracking and acquisition -new and improved CDMA or GSM -Spread spectrum and jamming -Spread spectrum and forward error correction pll/dll Spread spectrum in biuetooth or wi-fi