rho

How Wireless Narrowband Local-Loop Systems in Wimax ?

Naturally, the first application for which a wireless alternative was developed and deployed was voice telephony. These systems, called wireless local-loop (WLL), were quite successful in developing countries such as...
Article Topics :

cdma, dect, lte, rho, telecom, WCDMA / 3G, Wimax, wireless, wisp

Narrowband Wireless Local-Loop Systems

Naturally, the first application for which a wireless alternative was developed and deployed was voice telephony. These systems, called wireless local-loop (WLL), were quite successful in developing countries such as...
Article Topics :

3g, antenna, broadband, cdma, difference between, fixed, lte, point, rho, solution, system, telecom, wifi, Wimax

CDMA Channel Frequencies & Calculation

The 850MHz CDMA band is most popularly used all over the world.This band as mentioned in the previous slide works between       824-849MHz Used for the Reverse link communication      ...
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CDMA Channel Frequencies, mhz, frequency, channels, reverse, forwardapn, BCCH, cdma, CHANNEL, epc, forward, frequency, generate, lte, orthogonal, pn, pn code, processing gain, rho, traffic, vrf, walsh

Structure of Main BCCH in GSM

The TDMA/FDMA multiplexing is used in GSM, the information needed in the synchronization between MS and BTS is provided by FCCH+SCH. The MS determines the frequency of the BCCH carrier...
Article Topics :

synchronization, sch, timeslots, information, frequencyBCCH, bcch gsm1800, bsic, bts, cell, epc, fcch, fdma, gsm, lte, main bcch, pn, relation, rho, SCH, tdma, vlr

Physical Combination of Logical Channel in GSM

As shown above, CCCH=PCH+RACH+AGCH; downlink CCCH=PCH+AGCH; and uplink CCCH=RACH. In the above combinations, combination 3 and 4 must be allocated to slot 0 of the BCCH carrier configured for the...
Article Topics :

Physical Combination of Logical Channel in GSMAGCH, allocation, BCCH, carrier, ccch, cell, CHANNEL, channel in gsm, combination, epc, frame, gsm, hlr, lte, pch, physical, pn, rach, rho, sacch, timeslot, uplink, vlr, vrf

Logical Channel Type in GSM

As we know, every cell has several TRX and every TRX includes 8 timeslots (i.e. providing 8 basic physical channels). In the radio subsystem, the physical channel supports the logical...
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traffic channel, control channel, physical channels, channel, logical, information, frequency BCCH, cell, epc, gsm, hlr, logical channel, logical channels in gsm, lte, mapped, message, physical channel, pn, radio subsystem, rho, support, timeslots, trx, vlr, vrf

Burst in GSM

The Logical  Channel is used in time multiplex in a physical channel, which is categorized according to the types of messages transmitted in the physical channel. Different logical channels are...
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same frequency, training, different, sequence, channels, logical, transmissionapn, brust, brust in gsm, cell, CHANNEL, channel coding, epc, frequency hopping, gsm, hlr, hopping, interference, interleaving, les differents types de burst, logical, lte, lte system cell formation, physical, pn, rho, speech coding, timeslot, transmission, trx, vlr, vrf

DTX: Discontinuous Transmission

Actually, during the communication process, the mobile subscriber talks only 40% of the time and there is not much useful information transmitted during rest of the time. If all the...
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discontinuous transmission, transmission, voice, system, signal, mobileapn, brust, brust in gsm, CHANNEL, channel coding, frequency hopping, gsm, hlr, hopping, interference, interleaving, logical, lte, physical, pn, rho, speech coding, timeslot, transmission, trx, vlr, vrf

Affects of the Channel in LTE MIMO

To understand the impact of the channel, let’s assume that the base station receiver is facing many challenges in the same MIMO receiver that universal areas, but also must receive...
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Affects of the Channel in LTE MIMO, base station, orthogonal, test signals, receiver, mimo receiver, the channel, normal operation lte channel, direct mimoefrequency, lte rf planning, lte ue, mimo, radio, resource block, rho, vlr

What is Correlation in CDMA ?

Correlation Is a Measure of How Well a Given Signal Matches a Desired Code, The Desired Code is Compared to the Given Signal at Various Test times. Correlation is key...
Article Topics :

What is Correlation in CDMA, correlation, desired code, given signal, digital, direct sequence CDMA systems, received signalcorrelation, epc, frequency, harq, lte ue, radio, rho, usa, vlr

How Frequency Diversity works in CDMA?

Frequency diversity is inherent in a spread spectrum system.  A fade of the entire signal is less likely than with narrow band systems. Combats Fading, Caused by Multipath Fading Acts...
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Frequency Diversity works in CDMA, receiver, signal, frequency, direct spread spectrum, rf signal, notch filter, fading resistancecdma channel frequency calculator, frequency, frequency diversity, radio, rho, system, ue, usa, vlr

Function of Control plane protocol stacks in LTE

The control plane includes the application protocol. It also includes the signaling bearers for transporting the application protocol messages. The application protocol is used for setting up bearers in the...
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Function of Control plane protocol stacks in LTE, sublayer, application protocol, physical layer, application protocol, nas, access stratum, measurement reporting, pdcp sublayer, lte radio, link control, enodeb, access controldownlink, frequency, harq, hlr, ofdma, radio, resource block, rho, system

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