Systems and methods for dynamic adjustment of a target block error rate

A network node for dynamic adjustment of a target Block Error Rate (BLER), the network node comprising:

• processing circuitry configured to cause the network node to:
• determine whether a Physical Channel (PCH) blocking has occurred for a plurality of consecutive Transmission Time Intervals (TTIs) on a cell controlled by the network node, wherein PCH blocking occurs when one or more Wireless Communication Devices (WCDs) served by the cell cannot be scheduled for transmission in the cell due to unavailability of PCH resources in one or more consecutive TTIs;
• and
• perform one or more optimization actions, wherein the one or more optimization actions comprises one or more of:
• adjusting a target BLER for link adaptation for a plurality of WCDs served by the cell based on whether PCH blocking has occurred for the plurality of consecutive TTIs on the cell to obtain a modified target BLER for link adaptation for the plurality of WCDs served by the cell;
• modifying one or more parameters associated with link adaptation for the cell controlled by the network node;
• or
• transitioning the cell controlled by the network node from a first operating mode to a second operating mode, wherein the first operating mode comprises a first mapping that allocates a first number PCH resources for a number of bits to be transmitted, and wherein the second operating mode comprises a second mapping that allocates a second number of PCH resources for the number of bits to be transmitted different than the first number of PCH resources.