http://www.wireless-center.net/rss/rss.php en-us Copyright 2013, rifat.sanac@hostticaret.net rifat.sanac@hostticaret.net Wireless Center http://www.wireless-center.net/rss/rss.php Collection hourly 4 1901-01-01T00:00+00:00 http://www.wireless-center.net/QoS/3332.html cdma2000 QoS Third Generation Partnership Project 2 (3GPP2), the standards body in charge of cdma2000 standards, has issued a series of specifications that describe requirements necessary to support end-to-end QoS in the cdma2000 wireless IP network [3GPP2 2004a, 2004b]. The requirements are based on leveraging and extending where applicable the standard Internet Engineering Task Force ... en-us cdma2000 QoS http://www.wireless-center.net/rss/article_view.php?articleId=3332 Copyright 2013, 2013-01-26T00:00:00+03:00 text http://www.wireless-center.net/QoS/3331.html UMTS/3GPP-Defined QoS Third Generation Partnership Project (3GPP) has standardized a common QoS framework for IP-based data services. They have defined a comprehensive framework for end-to-end QoS covering all subsystems in a UMTS network, including core network, wireless and universal terrestrial radio access networks, etc. UMTS is the first wireless data service that offers a comprehensive ... en-us UMTS/3GPP-Defined QoS http://www.wireless-center.net/rss/article_view.php?articleId=3331 Copyright 2013, 2013-01-26T00:00:00+03:00 text http://www.wireless-center.net/QoS/3330.html QoS in 3G Wireless Networks 2G networks such as Global System for Mobile Communications (GSM)/code division multiple access (CDMA) have essentially only one QoS option, viz., speech at full-rate coding in GSM. Subsequently, a half-rate service was introduced, thus offering a new QoS. In reality, however, this was done to save network capacity, and therefore ... en-us QoS in 3G Wireless Networks http://www.wireless-center.net/rss/article_view.php?articleId=3330 Copyright 2013, 2013-01-26T00:00:00+03:00 text http://www.wireless-center.net/QoS/3329.html Two-Phase Activation Model Activation of a service flow proceeds in two phases: admit first, then activate. This is facilitated via an authorization module in the BS, which approves or rejects a request regarding a service flow. The authorization module can activate a service flow immediately or defer activation to a later time [Ganz 2004]. n n n Table ... en-us Two-Phase Activation Model http://www.wireless-center.net/rss/article_view.php?articleId=3329 Copyright 2013, 2013-01-26T00:00:00+03:00 text http://www.wireless-center.net/QoS/3328.html Dynamic Service Establishment The 802.16 standard provides a signaling function for dynamically establishing service flows and requesting QoS parameters. There are three types of control messages for service flows: Dynamic service activate (DSA)—Activate a service flow Dynamic service change (DSC)—Change an existing service flow Dynamic service delete (DSD)—Delete a service flow New connections may be established when ... en-us Dynamic Service Establishment http://www.wireless-center.net/rss/article_view.php?articleId=3328 Copyright 2013, 2013-01-26T00:00:00+03:00 text