1018 search results - page 201 / 204 » Issues in wireless E-commerce |
JSAC
2008
13 years 8 months ago
2008
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
JCM
2006
13 years 8 months ago
2006
Abstract--One of the major challenges for the nextgeneration mobile systems is related to efficient mobility management issue. In this paper, we propose a new micromobility managem...
JSAC
2006
13 years 8 months ago
2006
In the recent past, there has been a tremendous increase in the popularity of VoIP services as a result of huge growth in broadband access. The same voice-over-Internet protocol (V...
JSAC
2006
13 years 8 months ago
2006
Multicarrier direct-sequence code-division multiple access (MC-DS-CDMA) becomes an attractive technique for the future fourth-generation (4G) wireless system because it can flexibl...
JSAC
2006
13 years 8 months ago
2006
4G systems are expected to support data rates of the order of 100 Mbps in the outdoor environment and 1 Gbps in the indoor/stationary environment. In order to support such large p...