Logical Channel Types of LTE

Logical channels are in a one-to-one fashion associated with radio bearers. Logical channel types are used to distinguish the type of information transmitted within the attached radio bearer. The two...
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Logical Channel Types of LTE, broadcast or multicast, channel, traffic, signaling, control, radio, logicalattach, BCCH, cell, cell reselection, cours logical channel video by arabic, dedicated channel, dtch, logical channel, lte, lte cell reselection procedure, lte idle cell selection, lte uplink logical channels, mcch, telecom, uplink

Transport Channel Types of LTE

Transport channels are used as the basic transmission service offered by layer 1 to MAC. MAC will use transport channels to multiplex and demultiplex logical channels onto and from them....
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Transport Channel Types of LTE, modulation scheme, channel, transport, modulation, qpsk, multicastBCCH, BCH Channel, cell, harq, lte, mtch, rach, telecom, transport block size lte, transport channel, UL-SCH Channel, uplink

Types of Handover in LTE

The Handover is the process of transferring an ongoing call or data session fromone cell connected to the core network to another  It is transparent for the end user  It...
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cdma, cell, epc lte, gsm, handover type in lte, handover types in lte, lte, lte handover, telecom, types ho, types of handover in lte

How Modulation-QPSK in CDMA ?

     In an actual application, the system implements the modulation in this way:  as shown above, I and Q channel sequences in the figure represent two channels of cyclic PN...
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active, cdma, cell, code, handoff, interleaving, long, modulation, pn, power, power control, qpsk, scrambling, short, soft, softer

How Frame Structure in Wimax ?

The physical frame includes the downlink sub-frame, uplink sub-frame, TTG, and RTG. The physical frame length and the respective duration of downlink sub-frame and uplink sub-frame are broadcast by the...
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broadcast, burst, cell, control, dl, downlink, header, physical frame, rtg, subframe, telecom, ttg, umts downlink frame structure, uplink

Which Types of Antennas Used in WIMAX ?

WiMAX antennas, just like the antennas for car radio, cell phone, FM radio, or TV, are designed to optimize performance for a given application. The figure above illustrates the three...
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antenna, cell, panel antenna, sector, telecom, Wimax

Different Tasks and States of RRC Protocol in LTE-EUTRAN

The RRC protocol for EUTRAN is responsible for the basic configuration of the radio protocol stack. But one should note, that some radio management functions (scheduling, physical resource assignment for...
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attach, cell, eutran, lte, lte state, rnti, rrc, rrc ideal, rrc main state = 2, rrc protocol, rrc signaling header, rrc signaling qos, RRC states for EUTRAN, telecom

Physical Channel Types of LTE

The physical layer uses resource blocks to transmit binary coded information in QPKS, 16QAM or 64QAM or OOK modulation form. Physical channels determine how data is processed and then mapped...
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BCCH, cell, fdma, harq, lte, lte pdsch resource assignment type, OFDM Symbols, PBCH, PDSCH, Physical Channel LTE, resource block, sounding reference signal, synchronization Channel, telecom, uplink

Synchronization in LTE Mobile “Switch On”

Primary and Secondary Synchronization Signals occupy 2 blocks of symbols per 10 ms (central 72 subcarriers for all channel bandwidths). An example is shown below for 72 subcarrier- (1.4 MHz)...
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cell, lte, subcarrier, switch on LTE mobile, synchronization, telecom

PLMN selection in “IDEL Mode” for LTE-UE

When an UE is switched on, it attempts to make contact with a PLMN. The selection of the PLMN could be either automatically or manually. • Automatic mode: Utilizes a...
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cell, lte, LTE PLMN, LTE REselection, LTE Selection, plmn selection, telecom

How to LTE Radio Air Interface?

The state-of-the-art design of the LTE air interface is characterised by OFDMA (DL) and SC-FDMA (UL) together with MIMO. The downlink modulation is based on OFDMA (Orthogonal Frequency Division Multiple...
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bpsk, carrier, cell, CHANNEL, coding, downlink, fdma, harq, lte, mimo, ofdma, parp, qam, qpsk, rf amplifier, sc fdma, telecom, umts, uplink, user

Pulse shaping and spectrum in LTE

RF engineering is a trade off between: required radio spectrum (bandwidth), speed of data transmission (bit rates) and complexity of implementation. The pulse form used to modulate complex data symbols...
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amplitude, bandwidth, cdma, cell, filter, gmsk, gsm, lte, pu;se, pulse shaping filter use in lte rc rrc, radio system, receving, rf engineering, shaping, spectrum, symbol, telecom, transmission, waveform

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