Open-loop link adaption adjusting method and apparatus

摘要

Embodiments of the present invention disclosed an open-loop link adaptation adjusting method and apparatus, firstly, classifying, by a base station, states of a user equipment during an information transmission process, and configuring an open-loop link adaptation adjusting OLLA value for each of the classified states respectively; then, determining, by the base station, a current state of the user equipment, and selecting an OLLA value corresponding to the current state of the user equipment from the OLLA values corresponding to each of the states respectively; and finally, after adjusting a modulation and coding scheme MCS value according to the OLLA value corresponding to the current state of the user equipment, modifying, by the base station, the OLLA value corresponding to the current state of the user equipment. The present invention is applicable to the communication system field.

主权项

1. An open-loop link adaptation adjusting method, characterized by comprising:
classifying, by a base station, states of a user equipment during an information transmission process; configuring, by the base station, an open-loop link adaptation adjusting (OLLA) value for each of the classified states corresponding to the user equipment respectively; determining, by the base station, a current state of the user equipment during the information transmission process, and selecting an OLLA value corresponding to the current state of the user equipment from the OLLA values corresponding to each of the states respectively; and adjusting, by the base station, a modulation and coding scheme (MCS) value according to the OLLA value corresponding to the current state of the user equipment, and then modifying the OLLA value corresponding to the current state of the user equipment; wherein the classifying, by the base station, the states of the user equipment during the information transmission process comprises: classifying, by the base station, the states of the user equipment during the information transmission process according to at least one classification condition of a rank of the user equipment, a number of layers of the user equipment during the transmission process, a total number of layers of the user equipment configured by the base station during the transmission process, and a preset state of the user equipment in a system.