1240 search results - page 209 / 248 » XML Based Mobile Services |
ICUMT
2009
13 years 7 months ago
2009
Uplink users in cellular networks, such as UMTS/ HSPA, located at the edge of the cell generally suffer from poor channel conditions. Deploying intermediate relay nodes is seen as ...
CISIS
2009
IEEE
14 years 4 months ago
2009
IEEE
Structured, spatial-temporal data arises in many applications areas such as transportation, sensor networks or mobile services. Peer to peer networks are the natural choice for th...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract— In this paper, a problem for efficient use of subcarriers in downlink OFDMA multi-hop cellular networks is studied based on quality of service (QoS) guarantee of each ...
WMTE
2005
IEEE
14 years 3 months ago
2005
IEEE
An additional platform for supporting learning in the same physical space in which it takes place, is now available owing to the continuous advancement of wireless and mobile tech...
MDM
2004
Springer
14 years 3 months ago
2004
Springer
Data broadcasting is well known for its excellent scalability. Multi-dimensional range queries, such as spatial range queries of geographical information for location dependent se...