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Kamis, 27 Januari 2011

Jumat, 21 Januari 2011

PE  license and exams

PE license and exams

The PE exam tests your ability to practice competently in a particular engineering discipline. It is designed for engineers who have gained...
Fundamental WiMAX Concepts

Fundamental WiMAX Concepts

  WiMAX has four fundamental architectural components: Base Station (BS) :        The BS is the node that logically connects wireless subsc...

Rabu, 19 Januari 2011

Turbo Code Applications 2

Turbo Code Applications 2

Terrestrial telephony:        Turbo codes are suited for down-to-earth applications such as terrestrial telephony. Satellite technology pro...
Turbo Code Applications 1

Turbo Code Applications 1

Mobile radio:         Few environments require more immunity to fading than those found in mobile communications. For applications where...
Motorola i886

Motorola i886

    The Motorola i886 is a very solid candybar phone coated in soft touch paint for a quality feel. It has a 2.2” QVGA display with 262K co...
Samsung C3530

Samsung C3530

     Smartphones and big screen sizes are all the rage nowadays and even though they offer great functionality, there is still the casual u...
Nokia C3 Touch

Nokia C3 Touch

    This is a global GSM phone. It can be used with T-Mobile USA and AT&T .     The design of the Nokia C3 Touch and Type borrows heav...

Minggu, 16 Januari 2011

Rabu, 12 Januari 2011

What's OFDM-MIMO ?

What's OFDM-MIMO ?

 Multiple Input Multiple Output (MIMO)      One building block for next-generation wireless access, MIMO (multiple-input, multiple-output),...

Orthogonal Frequency Division Multiplexing (OFDM)

      O rthogonal F requency D ivision M ultiplexing ( OFDM ) is a multicarrier modulation technique. OFDM provides high bandwidth efficienc...

Minggu, 09 Januari 2011

What's the Turbo-code ?

What's the Turbo-code ?

       Turbo coding is a forward error correction (FEC) scheme. Iterative decoding is the key feature of turbo codes. Turbo codes consist...

Senin, 03 Januari 2011

Messages in CDMA

Messages in CDMA

 I want to speak about messages in CDMA , how it sent and what the call processing **  In CDMA, most call processing events are driven by me...

Minggu, 02 Januari 2011

Sabtu, 01 Januari 2011

An intro to WiMAX

An intro to WiMAX

WiMAX ( W orldwide I nteroperability for M icrowave A ccess) ( 802.16 - 802.16e )      It was defined by the WiMAX Forum is a telecommuni...
Secret codes for Samsung

Secret codes for Samsung

*#1111#          ------->      S/W Version *#1234#          ------->      Firmware Version *#2222#          ------->      H/W Ve...
GSM NETWORK COMPONENTS

GSM NETWORK COMPONENTS

   The GSM network is divided into two systems. Each of these systems are comprised of a number of functional units which are individual com...
GSM PHASES

GSM PHASES

    In the late 1980s, the groups involved in developing the GSM standard realized that within the given time-frame they could not complete ...
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