CQI reporting method, and method, system, terminal and base station for acquiring CQI
A technology for terminals and base stations, which is applied to devices dedicated to receivers, transmission modification based on link quality, receiver monitoring, etc., and can solve problems such as terminal energy loss
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no. 1 example
[0035] see figure 1 , which is the flow chart of the first embodiment of the CQI reporting method of the present application:
[0036] Step 101: After completing the downlink synchronization, the terminal reports the CQI to the base station according to the CQI reporting cycle within a preset time.
[0037] At the initial moment after the downlink synchronization is completed, the transmission channel is unstable, so the terminal needs to continuously send CQI for a period of time to detect the channel quality, so the preset time is the protection time at the initial moment.
[0038] Step 102: When the preset time is exceeded, judge whether the difference between the CQI in the current CQI reporting period and the CQI reported last time is less than the pre-configured threshold, if not, execute step 103; otherwise, execute step 104.
[0039] When the timer expires, the terminal enters the dynamic adjustment state of the CQI. At this time, the terminal decides whether to repor...
no. 2 example
[0043] see Figure 2A , which is the flow chart of the second embodiment of the CQI reporting method of the present application:
[0044] Step 201: Receive a radio bearer message sent by a base station, where the radio bearer message includes a preset time and a preconfigured threshold.
[0045] When the terminal establishes downlink synchronization with the base station, the base station sends a radio bearer message (for example, Radio Bear Setup (radio bearer setup message), or Radio Bear Reconfiguration (radio bearer reconfiguration message)) to the terminal. The radio bearer message contains a preset time T1. Since the transmission channel is unstable at the initial moment after the downlink synchronization is completed, the terminal needs to continuously send CQI for a period of time to detect the channel quality, so T1 is the initial time. protection time. The radio bearer message further includes a preconfigured threshold. The preconfigured threshold is a criterion fo...
no. 1 example
[0073] see Figure 4 , which is the block diagram of the first embodiment of the CQI reporting terminal of this application:
[0074] The terminal includes: a reporting unit 410 , a judging unit 420 and a control unit 430 .
[0075] Wherein, the reporting unit 410 is configured to report the CQI to the base station according to the CQI reporting cycle within a preset time after the terminal completes the downlink synchronization;
[0076] A judging unit 420, configured to judge whether the difference between the CQI in the current CQI reporting period and the CQI reported in the previous time is less than a preconfigured threshold when the preset time is exceeded;
[0077] The control unit 430 is configured to control the reporting unit to stop sending the CQI in the current reporting period to the base station when the judging unit 420 judges that the difference between the CQI in the current CQI reporting period and the CQI reported in the previous time is less than a preco...
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