Wireless telecommunications can be divided into two broad categories: mobile communications and fixed wireless communications. Each category has its own unique market in terms of customer needs and technology requirements. The mobile communications market requires mobility or non-tethered...

BANGALORE: At an event held to commemorate 20 years of Texas Instruments (TI) Bangalore facility, TI chairman Tom Engibous unveiled the company's latest offering: a cost-effective single chip solution for cell phones. Engibous made a live phone call from Indian to Europe on a live cellular network...

GSM MAP and ANSI-41 are key protocols that utilize SS7 to allow roaming and advanced as well as more advanced capabilities. Communication between the VLR in the serving system and the HLR of the home area is facilitated by these mobile networking protocols and signaling based on a signaling...

Radio Frequency Protocols Interim Standard 136 (IS-136) is a specific Time Division Multiple Access (TDMA) based radio frequency (RF) standard. IS-95 is a specific Code Division Multiple Access (CDMA) based radio frequency (RF) standard. With TDMA, multiplexing occurs within time slots within...

The oki 900 cellular phone is one of the if not the most modifiable cellular telephone in the world. It is based around an 8051 microprocessor, and the main program is stored on a 27C512 eprom. Oki reproduced it's popular model 900 cellular phone for AT&T under the model AT&T 3730. Both are...