| 摘要 |
<p>Embodiments of the present invention provide a method and user equipment for feeding back multi-cell channel state information. The method for feeding back multi-cell channel state information includes: feeding back channel state information of a serving cell of a user equipment to a network device; exchanging long-term wideband space state information of a neighboring cell of the user equipment with the network device; feeding back inter-cell additional information of the neighboring cell to the network device, where the inter-cell additional information of the neighboring cell includes a code word that optimizes joint channel information, and the joint channel information is generated according to the channel state information of the serving cell, the long-term wideband space state information of the neighboring cell, and the inter-cell additional information of the neighboring cell. In embodiments of the present invention, the feedback overheads of the channel state information of the neighboring cell are divided into two parts, which reduces the overheads of the user equipment in feeding back multi-cell channel state information.</p> |
