A method for detecting sleep desynchronization by terminal
A terminal and sleep technology, applied in electrical components, wireless communication, etc., can solve problems such as sleep out-of-sync delay, error detection, etc., and achieve the effect of reducing detection delay and the risk of wrong judgment
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Embodiment 1
[0023] Embodiment 1: When the terminal is sleeping, the base station turns off the radio frequency, causing the terminal to lose synchronization
[0024] The invention relates to the following parameters and counters:
[0025] sleepBCHError: Receive broadcast message exception counter after waking up. When waking up from sleep, if it is judged that the received broadcast message is correct, it will be cleared; if it is judged that the received broadcast message is abnormal, it will be incremented by 1.
[0026] MAX_ERRER_THD: Abnormal count threshold for receiving broadcast messages after waking up. When sleepBCHError is greater than or equal to this value, it is determined that the sleep is abnormal and needs to exit the sleep state.
[0027] CHECK_BCH_NUM: Count the number of broadcast message frames after exiting sleep and entering working state. The number of frames that continuously receive CHECK_BCH_NUM broadcast messages after entering the working state after exiting...
Embodiment 2
[0040] Embodiment 2: The terminal signal is interfered, and it is wrong to receive broadcast messages for a short time
[0041] The configuration of related parameters in this embodiment is as follows: after waking up, the abnormal count threshold MAX_ERRER_THD of received broadcast messages takes a value of 2; the statistical broadcast message frame number CHECK_BCH_NUM takes a value of 100 frames; the sleep out-of-sync judgment threshold MAX_BCH_ERROR_THD takes a value of 50 frames; the terminal sleep cycle is set to 200 frames.
[0042] The terminal of this embodiment adopts the sleep out-of-synchronization judgment mechanism provided by the present invention, and the specific steps are as follows:
[0043] 2.1, the terminal works under the base station and enters the sleep state;
[0044] 2.2, start with the terminal waking up to receive broadcast messages, and add a short period of 220 frames of strong interference;
[0045] 2.3, clear the sleepBCHError counter;
[004...
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