RF
WCDMA CD/CA-ICH Explained
Definition of Collision Detection/Channel Assignment Indicator Channel (CD/CA-ICH) in WCDMA/UMTS systems, including its function and relationship to channel assignment.
Terminology
Showing 25 posts (Page 126 of 134)
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WCDMA Compressed Mode for Measurements Explained
Learn about WCDMA compressed mode, used to create gaps for mobile devices to perform neighbor cell measurements in UMTS networks. Explore puncturing, spreading factor reduction, and higher layer signaling methods.
WCDMA CPICH: Common Pilot Channel Explained
Learn about the WCDMA Common Pilot Channel (CPICH), its purpose, and its role in WCDMA/UMTS systems for providing a reference signal for mobile stations.
WCDMA CSICH: CPCH Status Indication Channel Explained
Learn about the WCDMA CPCH Status Indication Channel (CSICH), its function, and its significance in UMTS networks.
WCDMA DPCCH: Uplink Dedicated Physical Control Channel Explained
Learn about the WCDMA DPCCH (Uplink Dedicated Physical Control Channel) used in UMTS systems, its structure, and its relationship with DPDCH.
WCDMA DPCH: Downlink Dedicated Physical Channel Explained
Learn about the WCDMA Downlink Dedicated Physical Channel (DPCH), its characteristics, and its role in transmitting dedicated data to users in UMTS networks.
WCDMA DPDCH: Uplink Dedicated Physical Data Channel Explained
Learn about the WCDMA Uplink Dedicated Physical Data Channel (DPDCH), its function, and its relationship with DPCCH in UMTS systems.
WCDMA PCCPCH: Primary Common Control Physical Channel Explained
Learn about the WCDMA Primary Common Control Physical Channel (PCCPCH), its characteristics, and its role in UMTS systems.
WCDMA PCPCH: Physical Common Packet Channel Explained
Learn about the WCDMA Physical Common Packet Channel (PCPCH), used to carry the CPCH transport channel in UMTS systems.
WCDMA PDSCH: Physical Downlink Shared Channel Explained
Learn about the WCDMA Physical Downlink Shared Channel (PDSCH), used to carry the Downlink Shared Channel (DSCH) and shared by users based on code multiplexing.
WCDMA PICH (Paging Indicator Channel) Explained
Learn about the WCDMA Paging Indicator Channel (PICH), its characteristics, symbol rate, spreading factor, and role in paging messages within UMTS networks.
WCDMA PRACH Channel: Physical Random Access Explained
Explore the WCDMA PRACH channel, used by UEs for connection requests. Learn about random access bursts, message structure, and spreading.
WCDMA SCCPCH: Secondary Common Control Physical Channel Explained
Learn about the WCDMA Secondary Common Control Physical Channel (SCCPCH), its features, and role in carrying FACH and PCH in UMTS systems.
WCDMA SIB (System Information Block) Types Explained
Learn about different WCDMA System Information Blocks (SIBs), their functions, and the information they carry in UMTS networks. Essential for UE operation.
WCDMA Synchronization Channel (SCH) Explained
Learn about the WCDMA Synchronization Channel (SCH), its components (P-SCH and S-SCH), and its role in initial synchronization and cell search in UMTS networks.
WCDMA TDD vs. FDD Physical Layer Comparison
Explore the key technical differences between WCDMA TDD and WCDMA FDD physical layers, covering multiple access, duplex schemes, channel spacing, and more.
WCDMA Terminology: Understanding Key Concepts in Wireless Communication
Explore key WCDMA terms like CDMA, frame structure, bands, UARFCN, and technologies like HSDPA and HSUPA. This guide simplifies wireless communication concepts.
WCDMA/UMTS OVSF Codes Explained
Understand WCDMA/UMTS OVSF codes for channel separation, focusing on their properties and usage in minimizing interference and enabling variable data rates.
WCDMA/UMTS: TB, TBS, TTI, TFC, TFCS, TFI, and TFCI Explained
Understand the key WCDMA/UMTS terms: TB, TBS, TTI, TFC, TFCS, TFI, and TFCI. Learn about transport formats and configurations for efficient data transmission in UMTS.
WDM: Narrowband, Wideband, CWDM, and DWDM
Explore the different types of Wavelength Division Multiplexing (WDM) technologies, including narrowband, wideband, CWDM, and DWDM, and their evolution in fiber optic communication.
WDM: Wavelength Division Multiplexing - Advantages and Disadvantages
Explore the advantages and disadvantages of Wavelength Division Multiplexing (WDM), an optical multiplexing technique, in terms of bandwidth, security, and cost.
Wearable Battery: Advantages and Disadvantages
Explore the pros and cons of wearable batteries, highlighting their flexibility, safety, energy output, limitations, and cost compared to alternatives.
Wearable Electricity Generators: Principles, Applications, and Future Trends
Explore the technology behind wearable electricity generators, including working principles, applications, advantages, and disadvantages.
Wearable Payment Devices: Advantages and Disadvantages
Explore the advantages and disadvantages of wearable payment devices, including security, convenience, and limitations.
WebSockets: Advantages and Disadvantages Explained
Explore the pros and cons of using WebSockets compared to HTTP, particularly in the context of real-time communication and IoT applications.
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