Millimeter-wave(mmWave)communication is regarded as the key enabling component for fifth-generation(5G)cellular systems due to the large available spectrum bandwidth.To make mmWave new radio(NR)a reality,tremendous ef...Millimeter-wave(mmWave)communication is regarded as the key enabling component for fifth-generation(5G)cellular systems due to the large available spectrum bandwidth.To make mmWave new radio(NR)a reality,tremendous efforts have been exerted from the industry and academia.Performance evaluation of mmWave NR is a mandatory step and the key to ensuring the success of mmWave 5G deployment.Over-the-air(OTA)radiated method of testing mmWave NR in laboratory conditions is highly attractive,since it facilitates virtual field testing of mmWave devices in realistic propagation conditions.In this paper,we first discuss the need for and challenges in OTA measurement of mmWave 5G NR under fading channel conditions.After that,two promising candidate solutions,i.e.,wireless cable and multi-probe anechoic chamber(MPAC),are detailed.Their principles,applicability for mmWave NR,and main challenges are discussed.Furthermore,preliminary experimental validation results in a frequency range 2 anechoic chamber are demonstrated for the wireless cable and MPAC methods at 28 GHz.展开更多
Over-the-air(OTA)testing is an industry standard practice for evaluating transceiver performance in wireless devices.For the fifth generation(5G)and beyond wireless systems with high integration,OTA testing is probabl...Over-the-air(OTA)testing is an industry standard practice for evaluating transceiver performance in wireless devices.For the fifth generation(5G)and beyond wireless systems with high integration,OTA testing is probably the only reliable method to accurately measure the transceiver performance,suitable for certification as well as for providing feedback for design verification and optimization.Further,multiple-input multiple-output(MIMO)technology is extensively applied for stable connection,high throughput rate,and low latency.In this paper,we provide an overview of the three main methods for evaluating the MIMO OTA performance,namely,the multiprobe anechoic chamber(MPAC)method,the reverberation chamber plus channel emulator(RC+CE)method,and the radiated two-stage(RTS)method,with the aim of providing a useful guideline for developing effective wireless performance testing in future 5G-and-beyond wireless systems.展开更多
基金Project supported by the InnoExplorer Project Funded by Innovation Fund Denmark(No.20199122-00089A)。
文摘Millimeter-wave(mmWave)communication is regarded as the key enabling component for fifth-generation(5G)cellular systems due to the large available spectrum bandwidth.To make mmWave new radio(NR)a reality,tremendous efforts have been exerted from the industry and academia.Performance evaluation of mmWave NR is a mandatory step and the key to ensuring the success of mmWave 5G deployment.Over-the-air(OTA)radiated method of testing mmWave NR in laboratory conditions is highly attractive,since it facilitates virtual field testing of mmWave devices in realistic propagation conditions.In this paper,we first discuss the need for and challenges in OTA measurement of mmWave 5G NR under fading channel conditions.After that,two promising candidate solutions,i.e.,wireless cable and multi-probe anechoic chamber(MPAC),are detailed.Their principles,applicability for mmWave NR,and main challenges are discussed.Furthermore,preliminary experimental validation results in a frequency range 2 anechoic chamber are demonstrated for the wireless cable and MPAC methods at 28 GHz.
基金Project supported by the National Natural Science Foundation of China(No.61671203)。
文摘Over-the-air(OTA)testing is an industry standard practice for evaluating transceiver performance in wireless devices.For the fifth generation(5G)and beyond wireless systems with high integration,OTA testing is probably the only reliable method to accurately measure the transceiver performance,suitable for certification as well as for providing feedback for design verification and optimization.Further,multiple-input multiple-output(MIMO)technology is extensively applied for stable connection,high throughput rate,and low latency.In this paper,we provide an overview of the three main methods for evaluating the MIMO OTA performance,namely,the multiprobe anechoic chamber(MPAC)method,the reverberation chamber plus channel emulator(RC+CE)method,and the radiated two-stage(RTS)method,with the aim of providing a useful guideline for developing effective wireless performance testing in future 5G-and-beyond wireless systems.
