ZDNet Resources
- Mining Call and Mobility Data to Improve Paging Efficiency in cellular networks
- Locating mobile users and devices efficiently is a critical operation in cellular networks. This is done using a combination of location update (by the mobile) and paging (by the network). The paging scheme determines how and where to search for a mobile user given the latest location update information from...
- Tags: Mobile, Network, Paging, Mobility, Cellular Network
- White papers 2007-09-14
- Wireless Profiled TCP Performance Over Integrated Wireless LANs and cellular networks
- An analytical framework for studying the performance of Wireless Profiled TCP (WP-TCP) flows over the integrated wireless LAN and cellular networks is proposed. The framework can be used to analyze the short-term performance during vertical handover and long-term performance of WPTCP for a given set of network and protocol parameters....
- Tags: Performance, Network, WLAN, TCP, Cellular Network, Wi-Fi, LANs, Wireless, Networking
- White papers 2007-06-01
- Site Specific Knowledge for Improving Frequency Allocations in Wireless LAN and cellular networks
- This paper is the first analytical work to exhibit the substantial gains that result from applying site specific knowledge to frequency allocation in wireless networks. Two site-specific knowledge-based frequency allocation algorithms are introduced, and are shown to outperform all other published work. Site specific knowledge refers to the use of...
- Tags: LAN, Associated Press, Network, Knowledge, WLAN, Allocation, Cellular Network, Wireless, Strategy, Management
- White papers 2007-02-16
- Photos: Notebook connects with cell phone tower
- The Compaq nc6400, in conjunction with Cingular Wireless, connects to the Internet via a cellular network.
- Tags: Internet, notebook, telephone, cell phone, cellular network, Cingular Wireless, Compaq Computer Corp.
- Image galleries 2006-12-11
- Impact of Paging Channel Overloads or Attacks on a cellular network
- IP and cellular networks used to be isolated from each other. In recent years however, the two networks have started to overlap with the emergence of devices that access the Internet using cellular infrastructures. One important question then is whether actions or threats on the Internet side can impact the...
- Tags: Network, Paging, Cellular Network, Sprint Communications, Attack, Internet
- White papers 2006-09-29
- MxN (Mixed Networking): Converged Wireless Networks
- This presentation provides an understanding of WLAN, WiMAX, cellular network convergence usage models, customer requirements, and client evolution. The presentation provides an understanding of the technology stack needed to achieve network convergence and briefing on the technology issues associated with multiple antennas, and client/network interoperation to achieve handovers while maintaining...
- Tags: Network, Cellular Network, Wireless Network, Presentation, Networking, Wireless
- Presentations 2006-09-26
- Interworking of 3G cellular networks and Wireless LANs
- The third Generation (3G) cellular networks provide ubiquitous connectivity but low data rates, whereas Wireless Local Area Networks (WLANs) can offer much higher data rates but only cover smaller geographic areas. Their complementary characteristics make the integration of the two networks a promising trend for next-generation wireless networks. With combined...
- Tags: Network, 3G Network, University Of Waterloo, WLAN, Cellular Network, LANs, Wireless LANs, Wi-Fi, Wireless, Networking
- White papers 2006-05-26
- Philadelphia Story: Verizon opposition is setting muni Wi-Fi market on fire
- Philadelphia Story: Verizon opposition is setting muni Wi-Fi market on fireThe 19th Century Business model is DEAD (the Bells just don't know it yet)One of these days the Bells (along with the RIAA, the MPAA and others) will realize that the internet and broadband, especially via RF, has blown their...
- Tags: Wireless LANs, WIRELESS, cellular network, municipal Wi-Fi, Wi-Fi, Verizon Communications Inc.
- Discussion threads 2006-02-08
- Using MPLS-Based Dynamic Tunnel for Location Control and QoS Management in Wireless Network
- In the development of wireless cellular network, there are some different focuses. As far as these focuses are concerned, the wireless and cellular network works with different bandwidth and radio frequency. Also, the next generation cellular network must have important services, for example, the media service. To use the media...
- Tags: Bandwidth, QoS, MPLS, Network, Cellular Network, Wireless Network, Wi-Fi, Networking, Wireless
- White papers 2005-12-01
- Spectrum Management in Coordinated Dynamic Spectrum Access Based cellular networks
- This paper focuses on spectrum management in next generation cellular networks that employ Coordinated Dynamic Spectrum Access (DSA). In this model, a spectrum broker controls and provides time-bounded access to a band of spectrum to wireless service providers and/or end users and implements the spectrum pricing and allocation schemes and...
- Tags: Algorithm, Lucent Technologies Inc., Microsoft Access, Network, Allocation, Cellular Network, Alcatel, Spectrum, Wireless Service, Engineering
- White papers 2005-11-01
- A Case for Coordinated Dynamic Spectrum Access in cellular networks
- Majority of research in Dynamic Spectrum Access (DSA) networks has focused on free-for-all, opportunistic spectrum access for peer-to-peer ad-hoc communication, typically targeting military applications. This paper proposes that a simple form of DSA called Coordinated DSA that relies on a regional spectrum broker to control spectrum access can bring benefits...
- Tags: Microsoft Access, Network, Cellular Network, Spectrum
- White papers 2005-11-01
- Smartphones: Where the computer and telephony cultures clash
- Smartphones: Where the computer and telephony cultures clashWireless carriers"I've even flooded their networks with traffic without so much as a peep from them. So, if the ISPs able to do it, you can't help but wonder why the wireless carriers can't. Is it the fragility of their...
- Tags: Internet service providers (ISPs), Wi-Fi, NETWORKING, computer, cellular network, telephony, communication line, Smartphone, network, QoS, wireless, wireless carrier, wireline network, Internet Service Provider
- Discussion threads 2005-08-11
- Using Radio Network Feedback to Improve TCP Performance Over cellular networks
- A new control structure is proposed to improve user experience of wireless Internet. Information on radio bandwidth and queue length available in the Radio Network Controller (RNC), close to the base station, is used in a proxy that resides between the Internet and the cellular system. The control algorithm in...
- Tags: Network, Radio, TCP, Cellular Network, Advertising & Promotion, Tcp/Ip, Marketing, Networking
- White papers 2005-08-11
- Dynamic Optimization in Future cellular networks
- With multiple air-interface support capabilities and higher cell densities, future cellular networks will offer a diverse spectrum of user services. The resulting dynamics in traffic load and resource demand will challenge present control loop algorithms. In addition, frequent upgrades in the network infrastructure will substantially increase the network operation costs...
- Tags: Algorithm, AT&T Bell Laboratories, Optimization, Network, Cellular Network, Engineering, Networking
- White papers 2005-08-03
- Wi-Fi VoIP and cellular network Integration: The Power of Dual-Mode Handsets and Wi-Fi to Cellular Roaming
- This white paper, which addresses the opportunity to provide an integrated voice-over-internet-protocol (VoIP)/cellular service, will discuss the growth in mobility users, advances in cellular and Wi-Fi technologies, and the introduction of dual-mode handsets and how this combination of mobility growth and technology advancements presents an opportunity for landline mobility services....
- Tags: VoIP, Network, VeriSign Inc., Mobility, Wi-Fi, Cellular Network, Integration
- White papers 2005-07-28
- A New Routing Mechanism for Integrating cellular networks, WLAN Hot Spots and MANETS
- A growing need for ubiquitous connectivity has motivated the integration of various wireless technologies such as cellular systems, WLANs and MANETs. This paper introduces the Integrated Routing Protocol (IRP) that exploits topology information obtained by cellular Base Stations and WLAN Access Points in the route discovery and maintenance in a...
- Tags: Network, WLAN, Cellular Network, Wireless LANs, LANs, Wireless, Wi-Fi, Networking
- White papers 2005-06-14
- Self-Adaptive Routing Protocols for Integrating cellular networks, WLANs and MANETs
- A growing need to have ubiquitous connectivity has motivated the research to provide continuous connection between various wireless platforms such as cellular networks, WLANs and MANETs. This paper considers integration at the routing layer and propose two adaptable routing protocols (IRP-RD and IRP-PD) that exploit topology information stored at the...
- Tags: Network, WLAN, Routing Protocol, Cellular Network, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2005-05-25
- Artificial Hygiene: Non-Proliferation of Viruses in cellular networks
- Viruses, worms, Trojan horses, spywares have been effective for quite sometime in the domain of digital computers. To stop virus attacks, organizations frame up different security policies. These policies work only within the limited domain of the organization's network. However, the emergence of wireless technologies, and the seamless mobility features...
- Tags: Network, Cellular Network, Virus, Cyberthreats, Viruses And Worms, Security, Networking
- White papers 2005-02-16
- Wireless IP Through Integration of Wireless LAN and cellular networks
- Wireless Internet technology will be the next milestone for modern telecommunications technology. In order to provide Internet connectivity over a wide geographical area, it is necessary to utilize the advanced features of modern cellular systems - known as third generation wireless cellular (3G) - such as Universal Mobile Telecommunication System...
- Tags: Reed Elsevier Inc., Network, WLAN, IP, Cellular Network, Integration, Wi-Fi, LANs, Wireless, Wireless LANs, Networking
- White papers 2004-11-24
- Issues in Integrating cellular networks, WLANs and MANETs: A Futuristic Heterogeneous Wireless Network
- Popularity of the wireless communication systems can be seen almost everywhere in the form of cellular networks, WLANs and WPANs. The desired ubiquitous computing environment of the future has to exploit this multitude of connectivity alternatives resulting from diverse wireless communication systems and different access technologies to provide useful services...
- Tags: Network, Wireless Communication, Ubiquitous Computing, WLAN, Cellular Network, Wireless Network, Wi-Fi, Wireless, Wireless LANs, Networking
- White papers 2004-11-08
White Papers and Webcasts