Qualcomm and Datang make C-V2X chips talk to each other

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Qualcomm Technologies and the Datang Telecom Group, also known as China Academy of Telecommunications Technology (CATT), have announced what they say is the first successful multi-chipset vendor interoperability of 3GPP Release 14 C-V2X direct communications (PC5) Mode 4, also known as LTE-V2X.

The cross-chipset interoperability test – held at Qualcomm’s laboratory in Beijing – utilized the Qualcomm 9150 C-V2X chipset solution and Datang’s DMD31 LTE-V2X module.

Qualcomm says C-V2X is the only V2X communication technology based on the Release 14 specifications for PC5-based direct communications in the 5.9 GHz ITS spectrum where vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) messages for collision avoidance can be sent without any dependency on cellular operator network involvement.

Qualcomm also said C-V2X is also the only V2X communication technology with an ongoing evolution designed to offer forward compatibility in implementation with 5G NR C-V2X.

Nakul Duggal, vice president of product management at Qualcomm Technologies, said the interoperability test demonstrates the maturity of the technology. Duggal expects commercial deployments of C-V2X to start sometime next year.

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