Abstract: Some embodiments in the present disclosure relate to scheduling sensing signals for two or more wireless devices. Requirements of sensing applications of the wireless devices are determined. Existing sensing signals are received and the characteristics of the existing sensing signals may be determined. The wireless devices having similar requirements are grouped. Each group is provided with information about existing sensing signals if the predetermined requirements for the group are fulfilled in a comparison with features of the existing sensing signals.

Abstract: Disclosed is a channel-dependent multi-carrier code division multiple access (MC-CDMA) technique with adaptive spreading codes. Adaptive spreading codes are used for each subcarrier per user which increase the security level of conventional MC-CDMA. Two different map designs are proposed: fixed and adaptive interval maps. These maps are shared among all nodes and gives information about the spreading code sequences for corresponding channel gains.

Abstract: Disclosed is a method for allocating resources for the low power backscatter devices in a sparse environment with a beamspace channel model in a symbiotic radio system. In other words, the method provides an adaptive power allocation mechanism to enhance the power of the beams incident on the backscatter devices for signal detection at the receiver in the beamspace channel model.

Abstract: Disclosed is a method for allocation of the secure pilots for integrated sensing and communication against potential security threats.

Abstract: A method for designing pilots inserted into orthogonal frequency division multiplexing (OFDM) waveform intended for channel estimation such that the channel can be seen and estimated in both time-frequency and delay-Doppler domains.

Abstract: This invention provides a novel transceiver design to control/compensate for the spatial-wideband effect in wideband massive multiple-input multiple-output (MIMO) systems for both sensing and communication networks. The proposed design aims to divide the ultra-wideband signal into narrow band beams and control them with a simplified exhaustive search-based precoding to align the beam angle to the target direction.

Abstract: Disclosed is to an algorithm that will increase the performance of detection processes to be performed in next generation communication systems and a method using this algorithm. The algorithm optimizes the detection performance based on the SINK values of the signals sent and reflected by the wireless communication or detection communication devices in the environment and selects the wireless communication or detection device(s) to be used to detect that object.

Abstract: Disclosed is a method of reducing the Peak-to-Average Power Ratio (PAPR) for signals produced by both systems when radar and communication systems are located on the same hardware. The method has significant potential in improving the performance of the system and reducing hardware costs, especially in autonomous vehicles that use simultaneous radar and communication signals.

Abstract: Disclosed is a method for resource allocation in the delay-Doppler grid that assigns radio resources to the users in a flexible manner taking into consideration their specific requirements. The method provides a flexible structure for Orthogonal Time Frequency Space (OTFS) waveform in terms of resource allocation/scheduling. This flexibility is imperative for the ever-increasingly diverse user requirements of wireless communication systems in terms of reliability, latency, data rates, mobility, security etc.

Abstract: Disclosed is a method for a location-based secure communication based on IRS. The controlled multipath components of the reflected signal are exploited by IRS, and secure communication is enabled through shuffling the phases of those components so they add constructively only at the intended receiver.

Abstract: A method for designing pilots inserted into orthogonal frequency division multiplexing (OFDM) waveform intended for channel estimation such that the channel can be seen and estimated in both time-frequency and delay-Doppler domains. The ability of estimating the sparsest channel impulse response will provide environment mapping and therefore sensing.

Abstract: Disclosed is a method to improve the confidentiality against eavesdropping in wireless communication. The method involves pre-equalizing the channel phase between the legitimate transceivers.

Abstract: Disclosed is a multicarrier (MC) connection design via an intelligent exploitation of the multi-user diversity in delay-Doppler domain. Overall, the technology can play a key role as an enabler technology toward 5G and beyond communications systems with applications of NR-Lite, mMTC, eMBB, URLLC and SURLLC.

Abstract: The method of the invention is related to utilizing the convergence patterns of sparse coding for detecting a primary user emulation/signal jamming attack in a cognitive radio setting. The method basically comprises a training stage and a testing stage. Through the method, the hypothesis which shows that there is no primary user but only noise (H0), the hypothesis which shows that there is a legitimate primary user present with a right to use the spectrum and the secondary user should not use the spectrum (H1), and the hypothesis which shows that there is a primary user emulator/signal jammer in the environment (H2) can be distinguished.

Abstract: Disclosed is a windowing method for OTFS-based wireless signals to mitigate interference due to fractional delay and Doppler cases and to control out-of-band emission. The method provides for suitable windowing mechanisms for the multicarrier orthogonal time frequency space (OTFS) scheme in order to manage out-of-band emission and interference due to the limited time and frequency resolution of the OTFS frame.

Abstract: Some embodiments in the present disclosure relate to sensing application identification. For example, a wireless signal is obtained to be further processed. Then, presence of a sensing signal in the received signal is estimated, the sensing signal being a signal generated by a sensing application. Based on the estimation of the sensing signal, wireless reception, transmission or sensing is then performed. The sensing application detection and/or identification may be performed by a trained model such as machine learning based model. The wireless reception, transmission or sensing performed according to the result of the estimation may further include channel access, resource allocation, utilization of the detected sensing signal for own sensing purposes, or the like.

Abstract: Methods and apparatuses are described to determine a contention window for a back-off timer in a communication device transmitting a signal. The value of the back-off timer is chosen from the range of the contention window. The method selects a future contention window range having increased upper and lower bounds compared to a current contention window range. After a successful transmission a future contention window is chosen randomly from the previous contention windows. The future contention window range may be chosen such that previous contention windows are excluded.

Abstract: Methods and techniques are described for reducing PAPR in a system with multiple numerologies. The PAPR is reduced by means of minimization of a cost function including PAPR for some predefined parameters. For example, PAPR may be minimized for phase and/or amplitude and/or time/cyclic shift adjustment to adjust OFDM symbol phase and/or amplitude, or for number and/or type of numerologies to be combined for the transmission.

Abstract: The method is related to the smart frame design that contains multi-user single-carrier (SC) transmission to support 5G-and-beyond communication systems that permit enhanced mobile broadband (eMBB), massive machine-type communication (mMTC), and ultra-reliable low-latency communication (URLLC) services. The method enhances the capacity of the system in line with the filter parameters to be selected according to the user's requirements and to meet the requirements of the desired and adjacent users.

Abstract: Some embodiments in the present disclosure relate to facilitating coexistence of communication applications and sensing applications in at least partially overlapping bandwidths. A sensing device, a joint sensing and communication device and/or a communication device are provided that transmit a request for transmission resources to a scheduling device in a communication format compliant with a communication standard. In response, the scheduling device allocates resources corresponding to a frame format compliant with a communication standard according to which the communication device operates, if the request was for a communication application or the scheduling device allocates resources corresponding to a frame format compliant with the communication standard or to a frame format suitable for a sensing application, if the request was for the sensing application.