Direct Sequence Spread Spectrum Modulation (DSSS)

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Related lectures (46)

Explores wireless modulation, noise effects, multipath propagation, and channel characteristics in wireless communication.

Modulation and Demodulation

Covers complex baseband and passband signals, modulation, demodulation, and signal recovery.

Wireless Channel: Multipath Effects & Modulation

Explores the impact of multipath effects, modulation techniques, and channel characteristics on wireless communication.

Laser Amplification: Stimulated Emission and Mode-Locking

Explores laser amplification through stimulated emission and the generation of short pulses using mode-locking techniques.

Optical Pulse Propagation in Linear Media

Explores optical pulse propagation in linear and nonlinear media, covering group speed dispersion, chirp effects, and frequency transformations.

Design Example

Covers the design of a practical system to send data over a telephone channel.

Fitting the Transmitter Spectrum

Explains how to fit the transmitter spectrum within the channel's bandwidth constraints.

Bandpass Sampling

Covers bandpass sampling for signals with limited frequency range, ensuring information preservation through proper sampling techniques.

Signal Modulation and Sampling

Covers signal modulation, sampling, and their applications in communication systems.

Demodulation Revisited

Revisits demodulation, focusing on eliminating unwanted high frequency components.

Direct Sequence Spread Spectrum Modulation (DSSS)Log in to Mediaspace to watch this video

Covers Direct Sequence Spread Spectrum Modulation (DSSS) to improve signal quality through wider bandwidth distribution and interference reduction.

Transition to/from Continuous Time Signals and Passband Modulation Log in to Mediaspace to watch this video

Explores the transition between continuous time signals and passband modulation techniques.

MIMO RAKE Receiver: Simulation and MIMO Extension Log in to Mediaspace to watch this video

Covers the implementation of IS-95 forward-link and MIMO extension.

Signal in Space Construction Log in to Mediaspace to watch this video

Explores the construction of signals in space for satellite positioning systems, including navigation data, channel coding, and spreading modulation.

Radar and Communications Technologies: Applications and Challenges Log in to Mediaspace to watch this video

Covers radar and communication technologies, focusing on their applications in sensing and the challenges faced in modern wireless communications.

Channel Coding and BICM (LLRs)Log in to Mediaspace to watch this video

Explores channel coding, BICM, and LLRs in wireless communication systems, emphasizing the importance of error detection and correction.

Signals & Systems I: Essential Bandwidth and Modulation Techniques Log in to Mediaspace to watch this video

Explores essential bandwidth, modulation techniques, demodulation, and frequency multiplexing in signals and systems.

Achievable Rate & Capacity Log in to Mediaspace to watch this video

Explores achievable rate, channel capacity, spectral efficiency, and fading channels in wireless communication systems.

Analog Circuits for Biochip: Wireless Power and Data Transmission Log in to Mediaspace to watch this video

Covers wireless power and data transmission to implanted systems, exploring modulation techniques, pulse modulation, analog modulation, and digital modulation types.

Modulation and Demodulation in Communication Systems Log in to Mediaspace to watch this video

Covers modulation in communication systems, emphasizing frequency differences and signal recovery through demodulation.

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