ZTE, Wednesday announced a breakthrough in 5G research, with the company’s new Multi-User Shared Access (MUSA) technology demonstrating the capability to more than triple overload capacity of wireless access networks. Based on the simulation results, ZTE claims that its MUSA algorithm delivered an over 200% improvement in the over load radio, helping to transition networks for the era of the Internet of Things.
MUSA is one of ZTE's research projects on Pre5G, which use 5G-ready technologies to provide commercial 4G LTE end users with 5G-like access experience. Other Pre5G technologies developed by ZTE include Massive MIMO, and Ultra-Dense Network (UDN). ZTE expects its Pre5G technologies to be commercially deployed this year. ZTE also successfully tested its Pre5G UDN solution, which makes full use of the sophisticated Pico RRU hardware platform and Cloud Radio interference cancellation technology, allowing for denser deployment of base stations for operators to gain higher capacity density.
According to ZTE, the MUSA technology uses non-orthogonal complex spreading sequences at the transmitter side for modulation, and uses successive interference cancellation at the receiver side to remove the interference and recover the user data. This allows multiple users to transmit at the same time and frequency. The system capacity is thereby significantly improved in the strong near-far effect situation.
ZTE has been focusing on the core demands of mobile operators over the time horizon of the next three to five years, taking the lead in proposing the Pre5G concept, added ZTE.
Xiang Jiying, Chief Scientist, ZTE
The validation of MUSA and UDN technologies further enhances the Pre5G solutions. The Pre5G solution will help operators exponentially enhance the access rate and overall network capacity by leveraging existing resources in the next 3–5 years. Before standardization of 5G technologies, this solution can effectively mitigate the challenges of data traffic surge, and help operators seize market opportunities and achieve better business development.
