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Seven requirements for GPRS/UMTS terminals 2003-11-17
The profitable development of mobile communications involves assigning fundamental importance to seven main requirements covered in this article. ?
GPRS networks pave way for 3G launch 2001-08-16
The tussle between 2.5G and 3G is subject to sharp technology and marketplace contrasts. This paper evaluates critical issues in this space. ?
Analyze GPRS problems using protocol tester 2002-10-01
The protocol testers have emerged as an indispensible tool for the identifiction and soltuion of GPRS issues. ?
Using test sets, systems for handset development 2004-09-01
Mobile phones have evolved into complex voice and data mobile devices requiring extensive, yet efficient, testing during development to meet the fast time-to-market goals. ?
Solutions for dual-band GSM handset 1999-09-09
The growth of GSM networks, particularly in Asia-Pacific and China, is an ideal opportunity for new Chinese handset manufacturers to enter this market. However, producing a good and affordable voice-centric GSM phone is not trivial, and despite some serious efforts, quite some players have already experienced failures with currently available solutions. This paper describes the elements guiding the dual-band GSM handset with focus on mass production and key driving factors such as cost, power consumption, size, weight, quality, and time to market. ?
Single-chip CMOS enables low-cost handsets 2007-02-01
With cost being a driving force to get the unconnected connected, handsets must become available at very low pricing. The E-GOLDradio GSM/GPRS single-chip solution is the latest step toward cost-effective CMOS integration. ?
Reducing time-to-market of your GSM handsets 2000-05-03
This presentation proposes a RF Reference Design that any GSM phone manufacturer can use to build up their final product without deep knowledge of RF PCB design. It presents the GPRS (General Packet Radio Service) hardware solution in terms of performance, integration level, BOM, form factor and ease-of-manufacture. ?
Reduce time-to-market with smart-phone reference designs 2004-07-01
Smart-phone manufacturers can take a faster path to market with Motorola's i.Smart reference design. Here's how. ?
Path to cellular/WLAN convergence crosses UMA 2006-03-01
Almost any type of wireless, including Wi-Fi and Bluetooth, can converge seamlessly with cellular. ?
Large capacitance value tantalum capacitors for RF power applications in GSM wireless terminals 2001-08-09
This conference technical paper discusses the requirements for the capacitor, the standard and conformal solution, as well as its future developments and how it matches closely to industry requirements. ?
Interoperability testing curbs challenges in wireless 2004-11-01
IOT is a complex and demanding task, yet indispensable to ensure product quality. ?
Intel PXA800F for today's cellphones 2003-07-16
The PXA800F cellular processor is Intel's solution for today's GSM/GPRS mobile phones. This processor features Intel XScale microarchitecture and Micro Signal Architecture (MSA). ?
Integrating GPS receivers with passive antennas 2003-12-01
The impact of the direct integration of passive antennas on the GPS system performance is analyzed. The low-gain low noise radio front-end stage, the low levels of inter-system interference and the optimum loading of the analog-to-digital converter enabled the direct connection between the GPS radio and the passive antenna with high sensitivity. ?
Human user interface for mobile devices 2001-08-09
This conference technical paper describes the user interface and technology requirements in mobile devices, as well as in upcoming devices. ?
High-speed packet service kick-starts migration to 3G 2004-10-18
Peak rates of up to 7Mbps and compatibility with legacy networks make HSDPA a good first step toward 3G cellular. ?
GPS Receiver Modules Ease Overall System Design 2001-03-30
This paper focuses on the advantages of the use of GPS receiver modules for the design of new and innovative products. ?
GPS chips navigate mobile phones 2005-07-18
GPS chips in handsets will explore applications ranging from locating individuals placing emergency calls to information customized to the user's whereabouts ?
FMC becomes impending reality 2006-08-16
UMA offers the advantage of re-use of the GSM and GPRS protocols over the Internet by encapsulating them into standard IP packets. ?
Extending voice apps in automobiles 2004-04-01
Adopting embedded synthetic voice technology, we can transform visual information from vehicle telephone to an audio form. ?
DSP power propels next-generation wireless 2001-04-15
The enhancements of wireless design offers new opportunities with tough tech challenges for designers. However, DSPs will remain a fundamental part of wireless design. ?
Direct conversion: No pain, no gain 2003-01-16
The benefits of direct conversion require the designer to carefully consider the non-ideal world, or receiver design, and to conquer the issues one at a time. ?
Creating a universal communicator prototype 2004-03-01
Engineers are investigating what are needed to create a ?
CMOS transceiver key component for next-gen cellphones 2005-03-01
Take a closer look at a commercial CMOS transceiver and the viability it offers for high-volume wireless products. ?
Approaches toward next-gen intelligent wireless terminals 2004-10-01
Cellphone architectures must undergo dramatic change to meet requirements of operators and users. ?
2.5G/3G market ushers new mobile architecture 2003-01-16
To meet the diverse needs of 2.5 and 3G, a scaleable, open architecture is needed in portable design. ?
The lowdown on power line communication 2012-01-02
Here's a discussion on power line communication and its segments, applications, and challenges. ?
The iPhone 5 inside out 2012-09-27
Apple's iPhone 5 A1428 model, torn apart for a closer inspection ?
Reducing the cost of cellphone testing 2006-09-16
As phones increase in complexity, requiring more tests, manufacturers must find strategies that will keep rising test costs down. ?
Peek inside iPhone 4S 2011-10-25
Here's an image gallery of what can be found inside the iPhone 4s. ?
Nokia rakes in decent profit for $20-cell phone 2013-07-03
The latest teardown from IHS showed that the Nokia 105 yields a margin of less than 30 per cent, strictly based on hardware and manufacturing costs and retail pricing. ?


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