Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Novel Spectrally-Efficient Scheme for Physical Layer Network Coding   In this paper, we propose a novel three-time-slot transmission scheme
combined with an efficient embedded linear channel equalization (ELCE)
technique for the Physical layer Network Coding (PNC). Our transmission scheme,
we achieve about 33% increase in the spectral efficiency over the conventional
two-time-slot scheme while maintaining the same end-toend BER performance.We
derive an exact expression for the endto- end BER of the proposed
three-time-slot transmission scheme combined with the proposed ELCE technique
for BPSK transmission. Numerical results demonstrate that the exact expression
for the end-to-end BER is consistent with the BER simulation results.

14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
13
The categories of this paper are: quant-ph
20
The categories of this paper are: acc-phys