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Researchers crack power-saving formula for next-gen wireless networks

Scientists have solved a longstanding optimization puzzle in non-orthogonal multiple access (NOMA), a wireless technology that lets devices share networks more efficiently. Their algorithm could help carriers reduce power consumption and cut operating costs while serving more users on existing infrastructure.

Originaltitel: On Power Minimization for Non-orthogonal Multiple Access (NOMA)

Abstrakt

<p>We formulate a power optimization problem for non-orthogonal multiple access systems mathematically, and prove its NP-hardness. For tackling the problem, we first identify a convex problem by relaxation. Based on this convexity, we then propose an efficient "relax-then-adjust" algorithm and provide results of performance evaluation.</p>

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