Method for reporting channel quality indicator cqi and user equipment
A technology for channel quality indication and user equipment, applied in the field of communication, which can solve the problems of single periodic reporting and high overhead of uplink control channels, etc.
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Embodiment 1
[0097] In this embodiment, the present invention is described on the UE side, as figure 2 As shown, the embodiment of the present invention provides a CQI reporting method, which is applied to the multi-stream transmission MF mechanism, and the method includes:
[0098] Step 101: The user equipment obtains the serving cell CQI of the serving cell and the auxiliary serving cell CQI of the auxiliary serving cell in multi-stream transmission;
[0099] Step 102: When at least one CQI of the serving cell CQI and the auxiliary serving cell CQI of the serving cell satisfies the trigger reporting condition, the user equipment reports the serving cell CQI and / or the auxiliary serving cell CQI to the base station to reduce uplink control channel overhead.
[0100] Wherein, in the embodiment of the present invention, the serving cell and the auxiliary serving cell have slightly different meanings in different transmission modes, and correspondingly, the serving cell CQI and the auxiliar...
Embodiment 2
[0187] Based on the same design concept, the embodiment of the present invention also provides a user equipment, such as image 3 As shown, the user equipment includes: an obtaining unit 201, configured to obtain the serving cell CQI of the serving cell and the auxiliary serving cell CQI of the auxiliary serving cell in multi-stream transmission, and send the serving cell CQI and the auxiliary serving cell CQI to the reporting unit 202 The reporting unit 202 is configured to receive the CQI of the serving cell and the CQI of the auxiliary serving cell from the obtaining unit 201, and report the serving cell to the base station when at least one CQI of the serving cell CQI and the CQI of the auxiliary serving cell of the serving cell satisfies a triggering reporting condition CQI and / or auxiliary serving cell CQI to reduce uplink control channel overhead.
[0188] In the first embodiment, the reporting unit 202 is specifically configured to: when the first reporting period is r...
Embodiment 3
[0205] This embodiment provides a user equipment, please refer to Figure 4 As shown in , it is a conceptual diagram of a hardware implementation example of a user equipment, and the user equipment includes:
[0206] Processor 301, configured to obtain the serving cell CQI of the serving cell and the auxiliary serving cell CQI of the auxiliary serving cell in multi-stream transmission, and determine whether at least one CQI of the serving cell CQI of the serving cell and the auxiliary serving cell CQI of the auxiliary serving cell satisfies the trigger Reporting conditions; the transmitter 304 is configured to send the serving cell CQI and / or the auxiliary serving cell CQI to the base station when at least one CQI of the serving cell CQI and the auxiliary serving cell CQI of the serving cell meets the triggering reporting condition, so as to reduce the uplink control channel overhead .
[0207] Among them, in Figure 4 In, bus architecture (represented by bus 300), bus 300 m...
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