name: BH
full_form: Backhaul
context: each child node. If the child node has an alternative backhaul path available, it can apply UL rerouting for upstream packets. If it has no such alternative backhaul path, it can propagate the BH RLF detection indication to the next tier. When the IAB-node has recovered from the BH RLF, it can send the RLF recovery indication to each child node, which revokes all behaviour triggered by the BH RLF detection indication before. The BH RLF recovery indication is propagated in the same manner as the BH RLF detection indication. Performance enhancements in BH transport and scheduling Enhancements to QoS For the improvement of UL QoS scheduling on the backhaul, Rel-17 introduces an extension of the LCG space. The extended LCG space supports 256 instead of just 8 LCGs. Extended LCGs can be signalled via new short and long BSR MAC CEs. The extended LCGs can also be used for pre-emptive BSR. Enhancements to congestion mitigation For the improvement of congestion mitigation, Rel-17 introduces DL
description: Backhaul (BH) refers to a part of a telecommunications network that connects the access network to the core network or the wider internet. It is responsible for carrying traffic between these networks and can be wired or wireless.
explanation: The context describes BH as a crucial element in connecting different parts of a telecommunications network, facilitating data transfer and playing a role in network management functions like UL rerouting and QoS scheduling. This clearly classifies it as a Network component.
section_title: 11.3	Enhancements to Integrated Access and Backhaul for NR
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