Kapalı

Cell Broadcast Short Message Service

SMS Cell Broad Cast: (3.41)

Cell Broadcast Short Message Service is broadcast service to send information to all MS in cell or in a location which are listening to broadcast channel. Information is in text format and could be related to emergency service, traffic related information, advertisement of service e.t.c.

CBS message differs from normal point to point message in terms of channel selection and message encoding format, CBS does not expect any response from MS while in point to point SMS originator expect response from receiver.

CBS message can be broadcast cyclically by the BTS as a frequency and for duration, duration and frequency of CBS message transmission would be fixed by provider.

Following Function would be done by BSC and BTS to broadcast SMS in cell or in a location.

BSC stores message content in local memory to broadcast it, storage if message withing BSC memory is require if message is require to transmit for multiple times for certain duration.

BSC schedule storage message on CBCH (Cell Broadcast Channel) logical channel.

BSC layer encode CBS message according to specification GSM 3.41. Ex message SMS BROADCAST COMMAND, SMS BROADCAST REQUEST.

Generate schedule message and inform MS for broadcast, this is optional procedure.

BTS layer encode information for CBS message received from BSC layer via CBCH according to specification GSM 4.12, which is data link layer format.

While broadcasting message BSC need to take care of idle mode DRX configuration, during DRX period MS may not listen to CBCH channel to save power so messages sent during this period will be not decoded by MS.

In OpenBTS code both BSC and BTS exist as one core need to write CBS scheduler and encoding of BSC and BTS messages.

Prerequisite for Testing: BSC is up and configuration of one cell is successful, BSC should transmit SIB parameter, MS should decode SIB parameter by reading BCCH channel.

Once Cell configuration is successful, start CBS scheduler to schedule CBS messages on CBCH channel.

Beceriler: İletişim, Linux, Telekomünikasyon Mühendisliği

Daha fazlasını gör: service power, service channel, receiver testing, receiver specification, power up reading, power point service, message on, cbs 3, care core, advertisement service, voice broadcast cell phones, short articles cell, wcf web service message security, short articles cell phone, service discovery network broadcast, ico 16x16 service message, power service message board, short articles cell phones, short article cell phone, text message voicemail broadcast

İşveren Hakkında:
( 0 değerlendirme ) Germany

Proje NO: #7934005

Bu iş için 3 freelancer ortalamada $379 teklif veriyor

dk2k

Предложение еще не подано

$555 USD in 10 gün içinde
(0 Değerlendirme)
0.0
bajimoh

Area of Expertise : - Fresh installation of corporate systems, servers, Doing systems migrations. - Provide IT services and online support. - Programming languages (C,C++,C#.NET,[login to view URL], PHP, Python). - Traini Daha Fazla

$250 USD in 10 gün içinde
(0 Değerlendirme)
0.0
venkatesanraj318

HI I have completed Master's in Wireless Communication with 2 years research experience in the same field. I have complete knowledge about Wireless Sensor Networks and related networking tools like NS2, qual net, Conti Daha Fazla

$333 USD in 10 gün içinde
(0 Değerlendirme)
0.0