Zobrazeno 1 - 10
of 34
pro vyhledávání: '"U. Wasenmüller"'
Publikováno v:
Advances in Radio Science, Vol 19, Pp 59-70 (2021)
Carrier synchronization is a crucial part of any wireless receiver, which is required due to frequency and phase offset. In case of transmission in a Time Division Multiple Access system the carrier synchronization has to be carried out for every bur
Externí odkaz:
https://doaj.org/article/ce328cdf34b34ab28fdcff2c129547ea
Publikováno v:
Advances in Radio Science, Vol 13, Pp 73-80 (2015)
Iterative channel decoders such as Turbo-Code and LDPC decoders show exceptional performance and therefore they are a part of many wireless communication receivers nowadays. These decoders require a soft input, i.e., the logarithmic likelihood ratio
Externí odkaz:
https://doaj.org/article/bb4784abd9404b6dabaa14498a701b4c
Publikováno v:
Advances in Radio Science, Vol 12, Pp 75-81 (2014)
Powerful compute clusters and multi-core systems have become widely available in research and industry nowadays. This boost in utilizable computational power tempts people to run compute-intensive tasks on those clusters, either for speed or accuracy
Externí odkaz:
https://doaj.org/article/6c8858f0e08a41fdbd81ac2668f7e314
Publikováno v:
Advances in Radio Science, Vol 11, Pp 137-142 (2013)
Synchronization and channel decoding are integral parts of each receiver in wireless communication systems. The task of synchronization is the estimation of the general unknown parameters of phase, frequency and timing offset as well as correction of
Externí odkaz:
https://doaj.org/article/c1a9038684c1413faa88fe9ad3850fc9
Publikováno v:
Advances in Radio Science, Vol 10, Pp 167-173 (2012)
Global navigation satellite systems, e.g. the current GPS and the future European Galileo system, are frequently used in car navigation systems or smart phones to determine the position of a user. The calculation of the mobile position is based on th
Externí odkaz:
https://doaj.org/article/da15093b391d44f3908f00bf63e14980
Publikováno v:
Advances in Radio Science, Vol 10, Pp 175-181 (2012)
Channel coding is a standard technique in all wireless communication systems. In addition to the typically employed methods like convolutional coding, turbo coding or low density parity check (LDPC) coding, algebraic codes are used in many cases. For
Externí odkaz:
https://doaj.org/article/000dbc5c145a47689d7c42dd311b190a
Publikováno v:
Advances in Radio Science, Vol 8, Pp 123-128 (2010)
Wireless data transmission results in frequency and phase offsets of the signal in the receiver. In addition the received symbols are corrupted by noise. Therefore synchronization and channel coding are vital parts of each receiver in digital communi
Externí odkaz:
https://doaj.org/article/3d13480f8fef45c096a14b5eaf3d9754
Publikováno v:
Advances in Radio Science, Vol 7, Pp 139-144 (2009)
Wireless data transmission results in frequency and phase offsets of the signal in the receiver. In addition, the received symbols are corrupted by noise. Therefore, synchronization and channel coding are vital parts of each receiver in digital commu
Externí odkaz:
https://doaj.org/article/69289e9f1e844882b69cb13b29b7cfa6
Publikováno v:
Advances in Radio Science, Vol 6, Pp 95-100 (2008)
Carrier synchronization is a vital part of every inner receiver in wireless communications. Frequency offset and phase offset of the received burst must be estimated and the received samples must be corrected according to the estimation. An approxima
Externí odkaz:
https://doaj.org/article/a1bee0c0fe4a4612a0a71db75bd61bfe
Publikováno v:
Advances in Radio Science, Vol 4, Pp 313-318 (2006)
Increasing chip complexities demand a higher design productivity. IP cores, which implement commonly needed operations, can help to dramatically shorten development and verification times for new designs. They often allow for a efficient mapping of a
Externí odkaz:
https://doaj.org/article/a5b1a862e79d4006a08b72b30843e125