Semi-persistent scheduling data transmission method, communication device and storage medium
A data transmission method and semi-persistent scheduling technology, applied in wireless communications, electrical components, etc., can solve the problems of large delay in semi-persistent scheduling, low success rate of single scheduling, etc., to reduce repeated scheduling, reduce request retransmission, Great flexibility
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example 1
[0201] This example proposes a semi-persistent scheduling transmission enhancement method. In this method, the base station uses high-level signaling to configure the transmission time window of semi-persistent scheduling transmission. After the physical layer downlink control information is activated, the user equipment can use the available transmission time window on the basis of ensuring that the dynamic scheduling is greater than the semi-persistent scheduling priority. Send or receive semi-persistent scheduling data on the transmission unit. This solution can shorten the transmission delay of semi-persistent scheduling data and increase the flexibility of semi-persistent scheduling.
[0202] Specifically, in this example, according to the transmission time window configured by the base station through high-level signaling, and on the basis of ensuring that dynamic scheduling is superior to semi-persistent scheduling, the user equipment can use the transmission unit of th...
example 2
[0210] This example provides a data transmission method with enhanced semi-persistent scheduling, which will be described from the base station side and UE side respectively below.
[0211] base station side
[0212] For the design of high-level configuration messages, the base station configures transmission time windows for users through high-level signaling configuration. Specifically, the configuration information and corresponding configuration methods include:
[0213] The window period of the transmission time window:
[0214] The design of the transmission time window is to ensure the timeliness and accuracy of the semi-persistent scheduling data packet transmission within each transmission interval, so the transmission time window should be configured to occur periodically, and its period and semi-persistent scheduling The transmission cycle remains the same.
example 1
[0215] Example 1: One of the above periodic transmission time windows as Figure 4 As shown, the window period T1 of the transmission time window is equal to the scheduling period T2 of the semi-persistent scheduling.
[0216] The time domain location of the transmission time window:
[0217] After the window period of the transmission time window is determined, its time domain position within each transmission period needs to be further determined, and its indication method can be specifically represented by the following three options:
[0218] Option 1: the start time domain position and the end time domain position of the transmission time window;
[0219] Option 2: the start time domain position and window length of the transmission time window;
[0220] Option 3: The end time domain position and window length of the transmission time window.
[0221] Option 4: The start position and end position of the transmission time window may be indicated by a relative position p...
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