Resource Allocation Method for Two-Phase Connectionless Protocol with Conflict Detection

Abstract

The present invention proposes a two-stage connectionless protocol resource allocation method with conflict detection, which specifically includes the following steps: S1: Based on the conflict detection function, determine the leading number n of the scheduling request successfully sent in the current access cycle s,SR (i) and the number of time-frequency resource blocks allocated for data transmission R data (i); S2: Obtain the number R of time-frequency resource blocks allocated to scheduling requests in the current access cycle and the previous access cycle SR (i) and R SR (i-1); S3: The number of time-frequency resource blocks allocated to the scheduling request according to the determination of the next access period, where Δ(i)=n s,SR (i)‑R data (i) represents the difference between the number of successfully sent scheduling request preambles in the current access cycle and the number of time-frequency resource blocks allocated for data transmission, Δ(i‑1) represents the difference in the previous access cycle, and i represents the access The serial number of the cycle. The effect is: the complexity of the two-phase connectionless access protocol that needs to feed back the three-state information of the scheduling request is compromised, and the optimal resource allocation without the estimation of the number of users is realized with less performance loss.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a two-stage connectionless protocol resource allocation method with conflict detection. Background technique [0002] Massive machine type communications (mMTC, massive machine type communications) is one of the three typical application scenarios defined by the fifth generation of mobile communications. A massive low-power wide-area coverage technology proposed by the application scenario faces technical challenges such as massive connections, ultra-low power consumption, wide-area coverage and deep coverage, and mutual triggering of signaling and data. When a large number of machine type devices (MTD, machine type devices) enter the network synchronously in a short period of time, their business model will show obvious instantaneous burst characteristics, which will cause severe traffic overload or network congestion on the bearer network, especially when resourc...

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Problems solved by technology

Therefore, on the method optimization of TSCLA3, the existing technology is still in a state of deficiency

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