Advantages of Intelligent Network (IN)

Concept of Intelligent Network: The introduction of new services and access to the GSM service are based on the concept of Intelligent Network (IN). This is because of the independence...
Article Topics :

Intelligent Network (IN), Advantages of Intelligent Network, Mobility management, radio frequencies, radio control, GSM serversadvantage, conventional call, dedicated, gsm, in, intelligent, lte, managed, network, server, vlr

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...
Article Topics :

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...
Article Topics :

Main Characterictics of WCDMAcdma, cell, data, downlink, fast, fdd, frequency, gsm, packet, power control, tdd, telecom, uplink, WCDMA / 3G

E-UTRAN (Evolved Universal Terrestrial Radio Access Network)

Role of Radio Access Network (RAN), namely NodeB and RNC is replaced with ENB, so as to reduce operational and maintenance cost of the device other than the simpler network...
Article Topics :

enodb, enodeb, eutran, node, radio, telecom

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

What are the Advantages of OFDMA in Wimax ?

 OFDMA is essentially a hybrid of FDMA and TDMA: Users are dynamically assigned subcarriers (FDMA) in different time slots (TDMA) . The advantages of OFDMA start with the advantages of...
Article Topics :

access, cell, fdma, frequency diversity, ofdm, ofdma, subcarrier, tdma, telecom, uplink, user

The Difference Between Line Of Sight and Non-Line Of Sight

Earlier wireless technologies (LMDS, MMDS for example) were unsuccessful in the mass market as they could not deliver services in non-line-of-sight scenarios. This limited the number of subscribers they could...
Article Topics :

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

What is Fixed WiMAX ?

Fixed WiMAX offers cost effective point to point and point to multipoint solutions. What makes WiMAX so exciting is the broad range of applications it makes possible but not limited...
Article Topics :

3g, antenna, broadband, cell, difference between, fixed, point, solution, system, telecom, wifi, Wimax

WiMAX versus 3G and Wi-Fi

How does WiMAX compare with the existing and emerging capabilities of 3G and Wi-Fi? The throughput capabilities of WiMAX depend on the channel bandwidth used. Unlike 3G systems, which have...
Article Topics :

3g, antenna, broadband, cdma, cell, difference between, difference between wimax and wifi technology, fixed, lte vs wimax comparison table, modulation wimax, point, solution, system, telecom, uplink, wifi, wifi and wimax difference, Wimax

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

Handover Measurements in LTE

Measurements to be performed by a UE for intra/inter-frequency mobility are controlled by e-UTRAN, using broadcast or dedicated control. If the frequency center of the measured cell is the same...
Article Topics :

cell, handover, how handover works in lte in same frequency without measurement gap?, lte, lte handover, measurements, rrc, telecom

Types of Power Control in CDMA

Reverse power control Open loop power control Closed loop power control Inner loop power control:  800 Hz Outer loop power control Forward power control Message transmission mode: threshold transmission periodic...
Article Topics :

active, cdma, cell, code, handoff, interleaving, long, modulation, power, power control, power control in cdma, qpsk, scrambling, short, soft, softer

28 queries in 0.472 seconds.