The US Commerce Department said it was amending an export rule to "strategically target Huawei's acquisition of semiconductors that are the direct product of certain US software and technology."
The companies said Samsung will use Xilinx’s “Versal” computing chips, which will help with a technology called beamforming that lets 5G gear handle more wireless data than previous generations of networks.
Communications masts in two English cities have been set alight as false news of a link between 5G infrastructure and the coronavirus takes hold.
British officials says it is very dangerous to spread conspiracy theories which link 5G mobile telecommunications masts to the spread of the novel coronavirus.
Nokia has struggled with slower-than-expected development of its Reefshark system on chips (SoC), which allow a single chip to carry an entire computer system, enabling Nokia to produce equipment more cheaply.
Britain decided to give Huawei limited access to build 35 percent of the less risky radio access network parts of its new high-speed mobile network, in a setback for the US, which has been pushing allies to ban the Chinese company.
The South Korean firm also promoted the head of its network equipment business, which analysts said got a lift from a US campaign to convince allies to bar Huawei from their networks.
Chinese smartphone maker Xiaomi Corp plans to launch more than 10 5G phones in 2020, the company CEO Lei Jun said on Sunday, speaking at the World Internet Conference in the eastern Chinese town of Wuzhen.
Huawei's revenues jumped 24.4 percent on-year to $86.2 billion and its profit margin increased 8.7 percent, despite what it called a US campaign to isolate the company globally.
Huawei was placed by Washington on a blacklist in mid-May that effectively blocks US firms from doing business with the Shenzhen-based firm.
The announcement of the agreement comes three months after Apple ended a long-running dispute with one of Intel's rivals, Qualcomm.
A decision on whether to include China’s Huawei in Britain’s 5G telecoms network has been delayed after Prime Minister Theresa May's decision to step down.
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