Method and apparatus for requesting resource for control element transmission in a wireless communication system
摘要
說(shuō)明書
Option 2 (Monitoring control channel(s) responsible for scheduling numerology related to SR configuration(s) with triggered SR and numerology larger or smaller than numerology related to the SR configuration(s) with triggered SR)—In this option, since each SR configuration is associated with one or multiple numerologies, the SR transmission based on specific configuration can inform base station about the TTI duration and/or numerology of uplink need. It would be reasonable for base station to schedule resource based on the received SR transmission(s). Hence, control channel which can provide corresponding scheduling should be monitored.
Moreover, for increasing system scheduling flexibility, it is also beneficial to allow base station to schedule resource on different numerologies or with different TTI durations, instead of only numerologies and/or TTI durations informed by SR transmission. One possible rule is to let UE also monitor control channel which can schedule numerology smaller or larger than numerologies information carried by SR transmission. The range for how large or how small could be configured by base station and/or decided based on predefined rule (e.g. until largest or smallest numerology UE is configured with). For URLLC service, larger numerology resource could be also suitable for a UE from latency perspective. For eMTC service, the smaller numerology could be suitable for a UE from low complexity perspective and reliability perspective.
Whether the UE will also monitor smaller or larger numerology may be done as follows:
- 1. Configured by network
- 2. Decided by UE itself based on ongoing service and/or current SR transmission(s) (e.g. SR request TTI/numerology less than a threshold, SR triggered for certain logical channel(s))
