496 search results - page 19 / 100 » An overview of limited feedback in wireless communication sy... |
100
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IWCMC
2009
ACM
15 years 6 months ago
2009
ACM
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...
MOBISYS
2007
ACM
15 years 11 months ago
2007
ACM
This paper presents MyExperience, a system for capturing both objective and subjective in situ data on mobile computing activities. MyExperience combines the following two techniq...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— This paper considers a fading relay channel where the total transmit power used is constrained to be equal to that of the standard single-hop channel. The relay channel used op...
129
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SIMVIS
2007
15 years 1 months ago
2007
The amount of data to be represented by visualization systems requires new ideas for data processing and representation. As proposed in this contribution, this might be solved by ...
83
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MOBICOM
2005
ACM
15 years 5 months ago
2005
ACM
Wireless sensor networks (WSNs) are typically characterized by a limited energy supply at sensor nodes. Hence, energy efficiency is an important issue in the system design and op...