cdma cdma systems
Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts
White Paper This paper presents a novel analysis on the decoding convergence of Time Hopping (TH) and Direct Sequence (DS) Code-Division Multiple-Access (CDMA) Ultrawide Bandwidth (UWB) systems when communicating... [11 Jul 2008]
Adaptive Bandwidth Allocation in TDD-CDMA Systems
White Paper The UTRA TDD specification for wireless communication systems can be exploited to dynamically allocate users bandwidth. This paper investigates a Fair Packet Loss Sharing (FPLS) scheduling algorithm which attempts to... [10 Jul 2008]
Dynamic Load Balancing Through Coordinated Scheduling in Packet Data Systems
White Paper Third generation Code-Division Multiple Access (CDMA) systems propose to provide packet data service through a high speed shared channel with intelligent and fast scheduling at the base-stations. In the... [10 Jul 2008]
CDMA End-to-End Security Positioning Paper
White Paper CDMA air interface technology is inherently secure for protection of signaling and bearer traffic with excellent security in service provisioning for handset and parameter distribution. In addition, Nortel Switched... [09 Jul 2008]
Erlang Capacity of a Forward Link for Multirate DS/CDMA System
White Paper Traditionally, the major multiple access schemes include FDMA (Frequency Division Multiple Access), TDMA (Time Division Multiple Access), and CDMA (Code Division Multiple Access). Since the CDMA shows... [03 Jul 2008]
Linear Quadratic Power Control of CDMA Cellular Systems
White Paper In direct sequence CDMA systems, multiple users share the same bandwidth and are separated by pseudorandom codes; consequently, each user contributes as interference to the others. In any multiple access... [03 Jul 2008]
Leveraging Commercial Wireless Technology for Interoperable Public Safety Communications
White Paper Lucent Technologies is working with a number of agencies on pilot projects to demonstrate the applicability of its CDMA-based, 3G wireless solutions for public safety and other homeland security functions. [03 Jul 2008]
CDMA Experience: A Must for UMTS Deployment
White Paper The UMTS ‘air interface’ is far more complex than that employed in 2G systems such as GSM. UMTS will utilize radio access technology that is radically different from GSM. Choosing a vendor who demonstrates clear... [03 Jul 2008]
Pegaso Emerges As Cellular Contender with IBM Solution
White Paper To increase its market share, Pegaso depends on innovative technology, including its fully digital CDMA (code division multiple access) network, which offers better quality sound and more privacy than competing network... [03 Jul 2008]
Securing Wireless Networks
White Paper They are High Powered Microwave systems used by telephone companies for long haul, line-of-sight communications, CDMA/TDMA/GSM (cellular and PCS) networks used for wireless phones and personal digital... [03 Jul 2008]
Femtocells to speed arrival of next-gen mobile networks?
News Saunders added: "It isn't a technology that we think is specific to just one of the flavours of mobile air interface - UMTS or GSM or CDMA or WiMax, for that matter - we actually think femotcells bring things to all... [30 Jun 2008]
A Study in Mobile Messaging
White Paper Existing Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA) mobile networks use Short Message Service (SMS) as a multipurpose data service that enables rapid deployment of data... [12 Jun 2008]
Femtocell market hotting up
News The Forum said it has also been accepted as a Market Representation Partner with mobile industry standards bodies 3GPP and 3GPP2, positioning it to advise on both CDMA and GSM cellular standards. As well as delivering... [21 May 2008]
A Game-Theoretic Approach to Energy-Efficient Power Control in Multi-Carrier CDMA Systems
White Paper A game-theoretic model for studying power control in multi-carrier CDMA systems is proposed. Power control is modeled as a non-cooperative game in which each user decides how much power to transmit over... [15 May 2008]
Mobile M2M connections on the up
News CDMA was the second largest tech - strong in North America and parts of Asia-Pacific, while WCDMA has so far primary been adopted for M2M apps in Japan. O is for Operating systems Wireless from A to Z [06 May 2008]
