UMTS
RSS UMTS
Photos: Sony Ericsson debuts see-through Xperia phone
Photo Battery life is up to 8.5 hours GSM talk time (up to 3.5 hours UMTS), and up to 350 hours standby time. Mobile maker Sony Ericsson has debuted another phone in its Xperia range - but with a twist. The see-through display... [25 Nov 2009]
A Simulation Study of TCP Performance Over UMTS Downlink
White Paper Data transfer on the UMTS downlink can be done either through Dedicated Channels (DCH) or shared channel (FACH). The data transfers on the DCHs can receive very high throughputs. However, a setup time of the order of... [30 Oct 2009]
UMTS Radio Network Controller Node Development
White Paper The company wanted to quickly ramp up the Aricent team on the customer's products to study and migrate the project from the customer's multiple international locations and develop a Radio Network Controller (RNC) node and testing tools... [30 Oct 2009]
Cross-Layer Interaction Between TCP and UMTS RRM Scheduling Strategies
White Paper In the third generation wireless system UMTS, Radio Resource Management (RRM) functions should encompass scheduling algorithms. In particular, scheduling mechanisms play a key role in resource allocation for... [09 Oct 2009]
Long Term Evolution (LTE): Overview of LTE Air-Interface
White Paper With the emergence of packet-based wireless broadband systems such as WiMAX 802.16e, it is evident that a comprehensive evolution of the Universal Mobile Telecommunications System (UMTS) specifications is required to... [15 Aug 2009]
Motorola's UTRAN Sharing Feature
White Paper A key enabler for mobile broadband is the wide availability of HSxPA networks, which offer clear benefits in terms of both subscriber experience and reduced cost per bit of data delivered [compared to R99 UMTS]. [04 Aug 2009]
Measurement and Analysis of Video Streaming Performance in Live UMTS Networks
White Paper This paper discusses an approach to assess Video Streaming (VS) performance over live UMTS networks. In this paper, measurement and analysis results of VS performance in a deployed Rel'99 UMTS network... [12 Jun 2009]
Integrating SDH and ATM in UMTS (3G) Access Networks
White Paper The deployment of cellular UMTS (Universal Mobile Telecommunications Systems, better known as 3G) is one of the most difficult challenges facing today's service providers network planning experts. They need to juggle... [29 May 2009]
NCP Network Communications Products Engineering Case Study: Schober Direktmarketing
White Paper Schober Direktmarketing deployed remote access via notebook and modem, ISDN, DSL, GSM, GPRS, UMTS and the Internet, central management, IPSec VPN infrastructure: NCP Secure Enterprise Client (Win32/64), NCP Secure... [16 May 2009]
NCP Network Communications Products Engineering Case Study: MAN Nutzfahrzeuge AG
White Paper MAN deployed remote access via laptop and modem, ISDN, GPRS, UMTS, WLAN, LAN and the Internet, central management, IPSec VPN infrastructure: secureVPN client (T-Online) with integrated iPass interface, authentication via... [16 May 2009]
WiMAX: The Personal Broadband Connection - 4G Wireless
White Paper WiMAX comes from IP / microwave side similar to its cousin WiFi (which is from IP world) as opposed to HSPA, GPRS and UMTS which are GSM flavors of 2.5G/3G wireless tech. WiMAX (worldwide interoperability for microwave... [23 Apr 2009]
Comparison of Handovers in UMTS and WiMAX
White Paper The WiMAX, or IEEE 802.16, is emerging broadband wireless technology. There are several versions of 802.16, which differ among other in the user mobility support. This paper analyzes the existing types of handover applied in the third... [22 Apr 2009]
Deploying IP/MPLS in Mobile Networks
White Paper As mobile service providers prepare for the evolution to mobile broadband, they require a robust transport infrastructure that supports CDMA/EV-DO and GSM/UMTS/HSPA today and is well suited to support WiMAX, LTE and... [22 Apr 2009]
4G Mobile Networks - Technology Beyond 2.5G and 3G
White Paper GPP LTE is an evolution standard from UMTS, and WiMAX is another candidate from IEEE. Based on the study, 4G mobile technology is in a determining and standardization stage. Although 4G wireless technology offers higher... [15 Apr 2009]
3G Coming to Ukraine
White Paper The 3G family of standards such as WCDMA or UMTS has been developed by International Telecommunication Union (ITU), and is otherwise called International Mobile Telecommunications 2000 (IMT-2000). It covers 5 smaller... [03 Apr 2009]
