How Interference Diversity in GSM?

Interference is dependent on time, frequency and mobile location. Without frequency hopping, some cell planning margins must be incorporated so that sufficient service quality can still be provided in an...
Article Topics :

cell, diversity, frequency planning, gsm, gsm rf, interference, lte

BCH ,CBCH and CCCH works in GSM

Broadcast Channels (BCH) Frequency correction channel (FCCH) the “lighthouse” of a BTS Synchronization channel (SCH) PLMN/base identifier of a BTS plus synchronization information (frame number)  Broadcast control channel (BCCH) to...
Article Topics :

AGCH, BCCH, BCH, cell, CHANNEL, gsm, lte, PAGING, SCH, sdcch

What is inside SIM Card (Subscriber Identity Module) ?

Subscriber Identity Module (SIM) The SIM as mentioned previously is a “smart card” which plugs into the ME and contains information about the MS subscriber hence the name Subscriber Identity...
Article Topics :

active, cdma, CHANNEL, forward, handoff, lai, lte, neighbor, PAGING, pilot, reverse, search window, sim

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

What is HLR and VLR and its function in GSM

As From the Name VLR means Visitor Location Register and HLR means Home Location Register so it has all detail of subscriber so VLR has temporary details. Let’s check in...
Article Topics :

location area identity, subscriber, mobile, system, hlr, vlr, authentication, home location register, visitor location register, sms details, detail bill imformation, calling details data, hlr in telecom, vlr in telecomAuthentication, gsm, gsm basic, hlr, hlr vlr, hlr vlr in gsm, how hlr works in gsm, iphone geolocation without explicit authorization, vlr, vlr in gsm

How Adaptive Multi-Rate Codec (AMR) work in GSM ?

Adaptive Multi-Rate (AMR) codec consists of a family of codecs (source andchannel codecs with different trade-off bit-rates) operating in the GSM FRand HR channels modes The AMR system exploits the...
Article Topics :

adaptive, amr, CHANNEL, coding, fr, gsm, hr, lte, multi, quality, radio, rate, speech

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...
Article Topics :

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...
Article Topics :

BCCH, bsic, carrier, cell, CHANNEL, code, downlink, frame, frequency, gsm, idle, information, lte, mobile, SCH, system

Basic Work of MSC (Mobile Switching Centre)

Exchange where calls are established, maintained and released Database for all subscribers and their associated features. Communicates with the BSCs on the A interface and with PSTN on fixed line....
Article Topics :

a interface, bsc, call, communicate, database, features, gsm, lte, msc, subscribers, support

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

Downlink Logical Channel in GSM

In 2G GSM Technology in forward direction Downlink (GSM BTS to GSM Mobile). There are mainly five Downlink Logical Channel in GSM. Frequency correction channel (FCCH) Synchronous channel (SCH) Broadcast...
Article Topics :

paging channel, doanlink, gsm doanlink channel, logical bts to mobile gsm channel, bts to mobile forward channel, downlink gsm channel, 2g downlink channel, fcch, bcch, agch, pch, schBCCH, bsic, CHANNEL, channel coding, channel in gsm, frequency hopping, hlr, hopping, interference, interleaving, logical, physical, pn, vlr

Structure of Combined BCCH in GSM

It is used in the configuration of cells of low traffic density and small capacity. The Combined BCCH is only configured at timeslot 0. Channel combination: FCCH?SCH?BCCH?CCCH+SDCCH/4+SACCH/4 SDCCH/4: Stand-alone dedicated...
Article Topics :

Structure of Combined BCCH in GSMBCCH, capacity, ccch, cell, CHANNEL, combined, control, dedicated, fcch, gsm, pn, sacch, SCH, sdcch, vlr

32 queries in 0.583 seconds.