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RNTP-based resource block allocation in LTE downlink indoor scenarios

In long term evolution (LTE) downlink indoor scenarios, we study an inter-cell interference coordination (ICIC) by interacting the relative narrow-band transmit power (RNTP) indicators among evolved NodeBs (eNBs). Assuming the data symbols of each user is only known by one eNB, a novel RNTP-based resource block (RB) allocation scheme is presented and carried out in two steps: 1) Each eNB partitions RBs for celledge and cell-center users, and then transmits such information to other eNBs within RNTP bit maps; 2) Based on the received RNTP bit maps, a novel scheduling algorithm is proposed to allocate RBs for cell-edge and cell-center users in each eNB. Simulation results show that the proposed RNTP-based RB allocation scheme improves the cell-edge users' performance, and yields up a certain overall cell throughput enhancement.