downlink

What is the difference between 4G and 4G LTE?

Many people use the terms 4g and 4g interchangeably, but they are not the same. Lets find out the difference…. Features of 4g 4G is the next step above and...
Article Topics :

access in lte, data lte, downlink, enodeb, epc, epc lte, epc lte architecture, fdma, frequency, interleaving, lte basic, lte rf planning, lte ue, mimo

How Sub-Carrier Allocation in Wimax?

Sub-Carrier Allocation Mode 1 DL PUSC – Downlink partial Usage Sub-Channels The downlink PUSC replacement zone is unique, that must exist in the frame structure specified by the protocols. DL...
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carrier, CHANNEL, downlink, pusc, sub carrier, telecom, uplink, Wimax, wimax amc allocation

LTE Downlink & Uplink Physical Channel

LTE Downlink Physical Channel Physical Downlink Shared Channel ( PDSCH) This channel is used for unicastand paging functions. Carries the DL-SCH and PCH. QPSK,16-QAM,and 64-QAM Modulation. Physical Downlink Control Channel...
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CHANNEL, downlink, harq, lte, PBCH, pch, physical channel, qpch, sc fdma, SCH, telecom, uplink

How Many LTE Downlink Transport Channel ? How its Work?

There are major four channel in LTE Downlink trasport channel. which list below with its work in short. Paging Channel ( PCH) Supports UE discontinuous reception (DRX) to enable UE...
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lte downlink, pch channel, bch channel, dl sch channel, downlink transport, lte channel downlink, mch channel, multicast, channel, working of lte channelCHANNEL, downlink, downlink control information, downlink data, lte, lte dl power control, telecom, transport channel

How Common Control Channel (CCCH) works in GSM ?

RACH(Random Access Channel) Uplink only. Used by the MS when making its first access to the Network. The reason for access could be initiation of a call or a page...
Article Topics :

access, AGCH, ccch, CHANNEL, common channel, downlink, gsm, lte, ms, network, rach, random, uplink, what is common control channel

LTE Downlink Logical Channel

Paging Control Channel(PCCH) A downlink channel that transfers paging information and system information change notifications. This channel isused for paging when the network does not know the location cell of...
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BCCH, ccch, cell, dcch, downlink, enodeb, logical channel, lte, lte downlink logical channels, mcch, power control, telecom, uplink

List of Uplink and Downlink Physical Channel of WCDMA

Downlink Physical Channel of WCDMA Downlink Dedicated Physical Channel: Downlink DPCH Downlink Common Physical Channel: Common Control Physical Channel (CCPCH) Synchronization Channel ( SCH) Paging Indicator Channel (PICH) Acquisition Indicator...
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ccpch, cdma, cpich, downlink, physical lte, pusc w/ all sc, scch, SCH, telecom, uplink

Dedicated Control Channel (DCCH) in GSM

SDCCH (Stand-alone Dedicated Control Channel) Uplink and Downlink. Used for call setup, authentication, ciphering location update and SMS. SACCH (Slow Associated Control Channel) Downlink and Uplink. Used to transfer signal...
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call setup, cell, control channel, dcch, dcch control channel, downlink, forward link, gsm, lte, power control, reverse link, sacch, sdcch, timing advance, uplink

How Many Broadcast Channels & what’s it work in GSM ?

BCCH(Broadcast Control Channels) Downlink Only. Broadcast information of the serving cell (System Information). Transmitted on timeslot zero of BCCH carrier. Read only by idle mobile at least once every 30...
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BCCH, bsic, carrier, cell, CHANNEL, code, downlink, frame, frequency, gsm, idle, information, lte, mobile, SCH, system

Specifications of WCDMA

Channel Bandwidth  5 MHz Duplex Mode  FDD and TDD Downlink RF Channel Structure  Direct Spread (DS) Chip Rate  3.84 Mcps Frame Length  10 ms Spreading Modulation  Balanced QPSK (downlink) Dual-channel...
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cdma, cell, downlink, multiplex, power control, qpsk, rf channel, tdd downlink, telecom, uplink

Main Characterictics of WCDMA

Support two basic modes: FDD and TDD modes High chip rate (3.84 Mcps) and data rates (up to 2 Mbps) Employs coherent detection on uplink and downlink based on the...
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Main Characterictics of WCDMAcdma, cell, data, downlink, fast, fdd, frequency, gsm, packet, power control, tdd, telecom, uplink, WCDMA / 3G

Ranging in Wimax

Since each MS has a unique distance from the base station, it is critical in the uplink to synchronize the symbols and equalize the received power levels among the various...
Article Topics :

active, cdma, cell, downlink, intersymbol interference, power control, ranging, ranging in wimax, symbols, telecom, uplink

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