MOBILE TELECOMMUNICATIONS PROTOCOLS FOR DATA NETWORKS phần 10 ppt

... technology 93, 105 Push Access Protocol (PAP) 106 Push Cancellation 107 Push Initiator 106 108 Push OTA 106 , 109 Push Proxy Gateway (PPG) 106 109 Push Submission 107 Quality of Service (QoS) 4, 10, 19, ... Language (UML) 83 Uniform Resource Identifier (URI) 80, 84, 102 , 118, 119, 122, 127, 128, 129 Uniform Resource Locator (URL) 74, 96, 97, 102 , 105 , 110, 121, 152 Univer...

Ngày tải lên: 13/08/2014, 22:21

... 0 0000 0001 000 00 1 0 1 1 00 11 01 11 100 001 011 011 0011 100 0 1100 101 1 100 0 0001 100 1 0 010 1 010 0011 101 1 0100 1100 0101 1101 0 110 1 110 0111 1111 Figure 3 .10 An example of a binary identifier ... suitable form for the wireless medium. Encryption is performed for confidentiality while fragmentation and Forward Error Correction (FEC) coding functions are added...

Ngày tải lên: 13/08/2014, 22:21

... architecture of mobile and wireless networks, their protocols, and quality-of- service (QoS) issues. MOBILE TELECOMMUNICATIONS PROTOCOLS FOR DATA NETWORKS 2 MOBILE AGENT PLATFORMS AND SYSTEMS • ... by the networks and protocols. Mobile networks must function efficiently by using their protocols, performing routing and handoff for mobile users. This book focuses on...

Ngày tải lên: 13/08/2014, 22:21

... data access at 384 kb s −1 nominal data rates for macrocellular wire- less access. WCDMA provides simultaneous voice and data services. WCDMA is the radio interface technology for Universal Mobile ... settings, and scheduling information and address books. The profile directory is a generic database for maintaining user information, which includes application-specific data. Custo...

Ngày tải lên: 13/08/2014, 22:21

... the frame configuration information, the connection setup, the allocation information, the request information, and the data to all mobile devices. The information and the data can be broadcast using a ... and that data conforming to an abstract schema can be converted to and from XML for transport. The Working Group should propose a mechanism for serializing data representing no...

Ngày tải lên: 13/08/2014, 22:21

... entities, which contain either parsed or unparsed data. Parsed data is made up of characters, some of which form character data and some of which form markup. Markup encodes a description of the ... RDF data model can therefore resemble an entity-relationship diagram. The RDF data model, however, provides no mechanisms for declaring these properties, nor does it provide any mechani...

Ngày tải lên: 13/08/2014, 22:21

... of profile information by each server/gateway/proxy is hard to predict. Therefore, gateways/proxies should forward all profile information to the server. Any requests for profile information that ... not ideal for slow networks. An alternative is to send only the changes. The CC/PP exchange protocol does not depend on the profile format that it conveys. Therefore, another profile format besid...

Ngày tải lên: 13/08/2014, 22:21

... are specified for use by MAC sub- layer entities. ON-DEMAND ROUTING PROTOCOLS 173 Broch et al. found DSRP to perform the best of four protocols simulated. However, Broch simulated networks of 50 ... other Blue- tooth devices; • quality of service management for higher layer protocols. 172 ROUTING PROTOCOLS IN MOBILE AND WIRELESS NETWORKS request packet propagates hop-by-hop o...

Ngày tải lên: 13/08/2014, 22:21

... period available for handoffs because of high travel speeds. 10. 2 CROSSOVER SWITCH DISCOVERY The basic step common to most handoff schemes for mobile ATM networks is crossover switch discovery for each ... hops. 180 ROUTING PROTOCOLS IN MOBILE AND WIRELESS NETWORKS Practice problems 9.1: What is an ad hoc network? 9.2: What are the two categories of routing protocols for...

Ngày tải lên: 13/08/2014, 22:21

... bandwidth of existing mobile phone systems is sufficient for data and voice, but it is still insufficient for real-time multimedia traffic. ATM has more efficient networking technology for integrating services, ... ATM networks will increase significantly more than that in the existing networks. This leads to a shift in the network’s performance bottleneck from channel transmission sp...

Ngày tải lên: 13/08/2014, 22:21