Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the Uplink Spectral Efficiency of Full-Duplex Cooperative OFDMA
  Systems   In this paper, we develop a resource allocation algorithm for uplink of
in-band full-duplex (FD) cellular networks. The FD cellular network is assumed
to be based on orthogonal frequency division multiple access (OFDMA) and
consists of a base station communicating with multiple users. Some of the users
in the network act as relay for other users and help them to transmit their
data to the base station. These relays are FD and work based on amplify and
forward (AF) protocol. By appropriate selection of the relays and optimized
allocation of subcarriers and powers to all users, we try to maximize the total
sum rate of the network. During this optimization, we also impose some
constraints on the users' quality of service (QoS) and power. We propose a new
algorithm to select the best relays based on the users' maximum data rate and
also use Linear Assignment Problem Jonker-Volgenant (LAPJV) algorithm for
subcarrier assignment. It is proved that the resulting optimization problem can
be converted to a convex problem, and hence it can be solved by standard
numerical methods. The simulation results demonstrate the effect of the
proposed scheme on the sum rate and coverage of the network.

23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
24
The categories of this paper are: dg-ga
12
The categories of this paper are: nucl-th
20
The categories of this paper are: acc-phys
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
32
The categories of this paper are: atom-ph
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ