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For the next generation of mobile communications systems, the integration of sensing and communications promises benefits in terms of spectrum utilization, cost, latency, area and weight. In this paper, we categorize and summarize the key features and technical considerations for different integration approaches and discuss related waveform design...
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Context 1
... In [12], an OFDM radar processing scheme with stepped carriers is proposed. The idea is to split up each wideband OFDM symbol into í µí± sub-symbols. Each sub-symbol consists of a narrow sub-band transmitted sequentially in the baseband. This signal is up-converted to a stepped carrier frequency, generating a large RF bandwidth as shown in Fig. 3. On the receiver side, the í µí± sub-symbols are combined to obtain the desired high resolution range profile corresponding to the large RF bandwidth. The so-called stepped OFDM scheme achieves high resolution using only a fraction of the equivalent channel bandwidth in the baseband; however, since the Doppler sampling rate is reduced ...
Context 2
... In [12], an OFDM radar processing scheme with stepped carriers is proposed. The idea is to split up each wideband OFDM symbol into í µí± sub-symbols. Each sub-symbol consists of a narrow sub-band transmitted sequentially in the baseband. This signal is up-converted to a stepped carrier frequency, generating a large RF bandwidth as shown in Fig. 3. On the receiver side, the í µí± sub-symbols are combined to obtain the desired high resolution range profile corresponding to the large RF bandwidth. The so-called stepped OFDM scheme achieves high resolution using only a fraction of the equivalent channel bandwidth in the baseband; however, since the Doppler sampling rate is reduced ...
