cdma

CDMA Soft Handoff Initiation

Once a call is established, the mobile is constantly searching for other possible cell sites that might be good candidate for soft handoffs. Most of the search time is limited...
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cdma soft handoff, station, pilot, channel, strength, messagecdma, cdma planing, rake

CDMA Call Completion

After each access attempt, the mobile listens to the Paging Channel for a response from the base station. If the base station detects the access probe from the mobile, it...
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channel, burst signaling, traffic channel, base station, access probe, signaling, mobilebts to mobile, cdma, cdma channel calculator

How CDMA Call Initiation

The user then decides to make a call.  The number is keyed in and the send key is hit.  This initiates an Access Probe.  The mobile uses a special code...
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access channel, base station, channel, access, mobile, paging, pilotaccess probe in cdma, cdma, cdma call, power control

What is inside PAGING Channel Message in CDMA

The paging channel is the heart of a CDMA base station. All of the parameters and signaling necessary for the proper operation of a CDMA cell site are handled by...
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paging channel, system parameters, base station, channel, cdma, messages, mobilecdma, cdma paging, cdma paging channel, what are the access channels and paging channels?

What is Pseudo-Noise Code and M-Sequence in CDMA

Here I write about Pseudo-Noise Code and what its use Pseudo-Noise Code its two type and Pseudo-Noise Short code is identification for each BTS and Pseudo-Noise Long Code is Identification...
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pseudo noise, shift register, sequence, pseudo, sequences, modulationcdma, cdma pn basic, pn code cdma

Google Quarterly Revenues jumped by nearly a third to US$14 billion

Google has reported that its first-quarter revenues jumped by nearly a third to US$14 billion, while profits rose to US$3.35 billion, compared to US$2.89 billion a year ago. Google said...
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googleapple, cdma, google, IPAD, lte, news, pn, pn code, telecom, telecom news

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

CDMA Handoff Defination,Types and Capacity

Handoffs The TIA/EIA Interim Standard, Mobile Station – Base Station Compatibility Standard of Dual- Mode Wideband Spread Spectrum Cellular System (TIA/EIA/IS-95), states that a CDMA base station shall support three...
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cdma, cdma planning, defination of eia, handoff, handoff in cdma, power control, rf optimization

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

Radio Protocol Architecture in LTE

The EUTRAN radio protocol model specifies the protocols terminated between UE and eNB. The protocol stack follows the standard guidelines for radio protocol architectures (ITU-R M1035) and is thus quite...
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carrier, cdma, eutran, EUTRAN radio, fdma, gsm, harq, interface, lte, ofdma, pdcp, physical resource block, protocol, radio resource, resource block, rrc, telecom, uplink

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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