Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Optimal Power Allocation for LTE Users with Different Modulations   In this paper, we demonstrate the optimal power allocation for QPSK, 16-QAM,
and 64-QAM modulation schedules and the role of channel quality indicator
(CQI). We used sigmoidal-like utility functions to represent the probability of
successful reception of packets at user equipment (UE). CQI as a feedback to
the base station (BS) indicates the data rate that a downlink channel can
support. With Levenberg-Marquardt (LM) Optimization method, we present utility
functions of different CQI values for standardized 15 Modulation order and
Coding Scheme (MCS) in $3^{rd}$ Generation Partnership Project (3GPP). Finally,
we simulate and show the results of the optimal power allocation algorithm.

18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
22
The categories of this paper are: chao-dyn
26
The categories of this paper are: bayes-an
13
The categories of this paper are: quant-ph
20
The categories of this paper are: acc-phys
16
The categories of this paper are: stat
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
25
The categories of this paper are: patt-sol
15
The categories of this paper are: nucl-ex
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th
6
The categories of this paper are: astro-ph
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph