| 摘要 |
Methods, systems, and devices are described for bundling feedback related to downlink transmissions on a plurality of component carriers (CCs). In some examples, a base station configures a multi-carrier mobile device to use different feedback bundling schemes when it determines that the mobile device is power limited. The bundling scheme configured for the mobile device may be based, in part, on one or more transmission modes of the downlink CCs. Bundling schemes may include combinations of bundling techniques and an order in which these techniques are applied. In particular, the bundling techniques may include CC bundling in combination with spatial bundling and/or feedback repetition. For efficiency and performance, a bundling scheme may require application of CC bundling before resorting to use of feedback repetition.
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