System and method for dynamic resource allocation by adjusting uplink/downlink switching points in TDD-based high-speed wireless communication systems

摘要

In the TD-SCDMA network supporting HSDPA and HSUPA, the radio resources of the control channel and the dedicated resource service are allocated only to a specific part, and the point of time when the uplink and downlink transmission are switched is adaptively changed, And more particularly, to a dynamic resource allocation method and system using a switching point of an uplink and a downlink in a high-speed wireless communication system capable of sufficiently securing available resources for wireless resources and improving utilization efficiency of wireless resources.;A base station according to the present invention includes: a communication unit for communicating with a user terminal through a mobile communication network; A resource allocation unit for allocating uplink and downlink resources to the user terminal; A scheduler for scheduling data packets using the allocated uplink and downlink resources; And a subframe to be transmitted to the user terminal is divided into an uplink and a downlink according to a transmission direction, and in the case of a dedicated resource service, uplink resources are sequentially allocated from a first time slot (TS # 1) Allocates downlink resources in a reverse direction from a slot (TS # 6), dynamically allocates resources using HSDPA and HSUPA techniques in case of a common resource service, adjusts the uplink and downlink switching points, And a controller for dynamically allocating downlink radio resources to the user terminal.;According to the present invention, since the uplink and downlink resources can be adaptively allocated as needed in a high-speed mobile communication system, a mobile communication service optimized for a service can be performed and the utilization efficiency of the system can be greatly improved. In addition, it is possible to adaptively change the time point of switching between the uplink and the downlink transmission, thereby sufficiently securing the available resources for the high-speed packet transmission service and improving the utilization efficiency of the radio resources.;Base station, TDD, TD-SCDMA, HSDPA, HSUPA, uplink, downlink, switching point, resource allocation, high speed packet transmission, frame