Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mm-wave specific challenges in designing 5G transceiver architectures
  and air-interfaces   The mm-wave spectrum will be of significant importance to 5G mobile systems.
There are multiple challenges in designing transceiver architectures and air
interfaces in this spectrum. This paper is an attempt to explain some of these
challenges and their interactions as means of enabling robust system design in
near future.

11
The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
5
The categories of this paper are: gr-qc
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
35
The categories of this paper are: mtrl-th
32
The categories of this paper are: atom-ph
3
The categories of this paper are: physics
0
The categories of this paper are: hep-ph