Power Allocation for Parallel Channels with One-bit Analog-to-digital Conversion
Zhide Li, Zhou Lv, Xuedan Zhang
Available Online July 2015.
- https://doi.org/10.2991/icismme-15.2015.5How to use a DOI?
- Channel capacity; power allocation; precoding; quantization.
- In this paper, the problem of maximizing the mutual information of independent parallel Gaussian-noise channels is studied under an average power constraint with one-bit analog-to-digital (A/D) convertor. It is shown that the power allocation problem is a convex optimization problem, which can be solved efficiently. Meanwhile, the waterfilling interpretation for the power allocation problem is also given. Further, the combined 1bit/dimension vector quantizer and precoder design are studied in the 2 parallel independent channels. Simulation results demonstrate that substantial gain can be achieved compared to power allocation scheme especially when the difference of channel gains is large and the range of SNR is low to medium.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Zhide Li AU - Zhou Lv AU - Xuedan Zhang PY - 2015/07 DA - 2015/07 TI - Power Allocation for Parallel Channels with One-bit Analog-to-digital Conversion BT - First International Conference on Information Sciences, Machinery, Materials and Energy PB - Atlantis Press SP - 24 EP - 29 SN - 1951-6851 UR - https://doi.org/10.2991/icismme-15.2015.5 DO - https://doi.org/10.2991/icismme-15.2015.5 ID - Li2015/07 ER -