1. A method for radio spectrum resource reallocation at an evolved Node B (eNB), the method comprising: acquiring, from an incumbent, Licensed Shared Access (LSA) radio spectrum resource; receiving, from an Operator Administration and Management (OA&M) entity, a directive to relinquish the acquired LSA spectrum resource; performing an analysis of optimal spectrum resource reallocation for determining a proposed reallocation of remaining spectrum resources; communicating, to a network core, the proposed reallocation of remaining spectrum resources; receiving, from the network core, instructions for reallocating the remaining spectrum resources, wherein the instructions are based on the communicated proposal; and reallocating remaining spectrum resources according to the received instructions.