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Samsung, Qualcomm group as much as produce 20% quicker 5G downlink information speeds

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Samsung and Qualcomm introduced late final week that they’ve elevated 5G downlink velocity by 20% by finishing exams for 1024 Quadrature Amplitude Modulation (QAM) for each Frequency Division Duplex (FDD) and Time Division Duplex (TDD) spectrum bands. The previous makes use of two totally different frequencies for transmitting and receiving whereas TDD makes use of a single frequency and separates transmitting and receiving by time.

QAM is a sophisticated modulation expertise that pertains to the quantity of information (in bits) that may be despatched over every transmission. The upper the QAM quantity, the extra environment friendly a transmission is. Whereas most business networks use 256QAM, 3GPP Launch 17 requires the usage of 1024QAM. As Samsung notes, “This enhanced QAM expertise helps operators maximize their use of spectrum sources and permits cellular customers to seamlessly take pleasure in varied cellular providers comparable to dwell video streaming and on-line multi-player gaming, which require increased obtain speeds.”

The take a look at occurred at Sammy’s R&D lab in Korea utilizing Samsung’s 5G vRAN software program and radios supporting 2.1GHz (FDD) and three.5GHz (TDD) bands. Qualcomm’s contribution included its telephone kind issue gadget which is supplied with the chip designer’s newest Snapdragon X75 5G Modem. That is the modem at present used on the Samsung Galaxy S24 collection and also needs to be used on the upcoming iPhone 16 line later this yr.
Samsung and Qualcomm had been capable of ship a downlink information velocity of 485Mbps, 20% quicker than the velocity achieved utilizing 256QAM. Whereas this velocity was achieved with a 20MHz bandwidth, utilizing Provider Aggregation, increased throughput could be created. Final yr, Samsung and Qualcomm had been the primary to attain a simultaneous 5G 2x uplink and 4x downlink service aggregation for FDD spectrum. Provider Aggregation will increase information switch charges and ends in quicker downlink and uplink speeds. 

To grasp Provider Aggregation, take into consideration how briskly site visitors strikes on a one-lane freeway. Including a second lane permits the freeway to accommodate extra site visitors that may then transfer quicker.

Sunil Patil, Vice President, Product Administration, Qualcomm Applied sciences, Inc. says, “We’re honored to have collaborated with Samsung on this trade first achievement. This accomplishment showcases our unwavering dedication to supporting operators of their efforts to boost 5G throughput and enhance spectral effectivity. By leveraging superior QAM expertise, we’re empowering operators to maximise spectrum sources and ship seamless, high-speed cellular providers to 5G customers.”

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