Mobile network Operator is implemented coexistence LTE-TDD and LTE-FDD network, this technique used to improve the system capacity. The adjacent cell interference or ACI caused by these coexisting networks, which affected to the network performance. This paper investigates the load sharing technique to optimal the capacity of coexistence LTE network. Results show 4:6 of FDD and TDD user ratio that give maximum system throughput and comparing with power allocation and guard band technique will describe in this paper.
