INFOCOM
2003
IEEE
13 years 10 months ago
2003
IEEE
— We analyze the performance of the IEEE 802.11b wireless local area networks. We have observed that when some mobile hosts use a lower bit rate than the others, the performance ...
INFOCOM
2003
IEEE
13 years 10 months ago
2003
IEEE
— This paper is focused on the influence of geometry on the combination of inter-cell and intra-cell interferences in the downlink of large cdma networks. We use an exact repres...
PCM
2004
Springer
13 years 10 months ago
2004
Springer
In previous techniques of bit rate reduction transcoding, reusing the mode of the input MB is widely adopted. However, directly re-using the mode of input MB will cause additional ...
SIGCOMM
2005
ACM
13 years 10 months ago
2005
ACM
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...
ICMCS
2005
IEEE
13 years 10 months ago
2005
IEEE
In video coding, certain limitations imposed by the environment, most typically the bit rate, need to be fulfilled. This is achieved by allowing the encoder to reduce the quality ...
IEEECIT
2006
IEEE
13 years 10 months ago
2006
IEEE
For the low bit rate (LBR) video communications, LBR transcoding is performed by the transcoder to match the network bandwidth and the performance of the client. One of typical tr...
ICMCS
2006
IEEE
13 years 10 months ago
2006
IEEE
This paper proposed an objective video quality metric designed for automatically assessing the perceived quality of digitally compressed multimedia videos using H.264 video compre...
ICNP
2007
IEEE
13 years 11 months ago
2007
IEEE
—Voice over WiFi (VoWiFi) will soon be the main alternative to cellular phones. Providing a satisfactory user experience remains difficult, however. We focus on Call Admission C...
ICIP
2007
IEEE
13 years 11 months ago
2007
IEEE
A new method for lossy compression of bilevel images based on Markov random fields (MRFs) is proposed. It preserves key structural information about the image, and then reconstru...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—A computationally efficient optimal discrete bit allocation algorithm is proposed for medium and high target bit rate discrete multitone (DMT) transmissions. Unlike conventional...