Method and apparatus for avoiding collision of preamble in base station
AssigneeElectronics and Telecommunications Research Institute
InventorsChan Yong Lee, Eun Seon Cho, Hong Soog Kim, Nam Hoon Park
Life of this patent
Estimating the term…
Abstract
Provided is a method and apparatus for avoiding a collision of a preamble in a base station. When a new base station is installed in a mobile communication system and in this instance, an exclusive preamble using a contention-free scheme is employed to avoid a preamble collision, at least one of a code parameter, a time parameter, and a frequency parameter used in a preamble of the new base station may be set to be different from a code parameter, a time parameter, and a frequency parameter used in a preamble of a neighboring cell, whereby it is possible to manage a random access preamble without causing a collision between cells.
Claims11
An apparatus for avoiding a collision of a preamble in a network, the apparatus comprising:
- a neighboring cell identifier to collect neighboring cell information in order to determine whether a neighboring cell exists, and in order to identify the neighboring cell, wherein the neighboring cell identifier receives the neighboring cell information from a terminal within a cell coverage of a corresponding base station or a peripheral device;
- a parameter collector to collect a code parameter, a time parameter, and a frequency parameter that are used in a preamble of the neighboring cell;
- and
- a parameter setting unit to set at least one of a code parameter, a time parameter, and a frequency parameter that are used in a preamble of the base station to be different from the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the neighboring cell, when setting the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the base station,
- wherein a parameter setting process is performed for a newly installed base station so that the code parameter, the time parameter, and the frequency parameter used in the preamble of the newly installed base station are set to be different than the code parameter, the time parameter, and the frequency parameter used in the preamble of a neighboring cell,
- wherein the parameter collector requests the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the neighboring cell, to a parameter administration controller based on the neighboring cell information, and receives, from the parameter administration controller, the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the neighboring cell.
A method of avoiding a collision of a preamble in a network, performed by a controller of a base station, the method comprising:
- collecting neighboring cell information in order to determine whether a neighboring cell exists, and in order to identify the neighboring cell;
- collecting a code parameter, a time parameter, and a frequency parameter that are used in a preamble of the neighboring cell;
- and
- setting at least one of a code parameter, a time parameter, and a frequency parameter that are used in a preamble of the base station to be different from at the code parameter, the time parameter, and the frequency parameter that are used in the parameter of the neighboring cell, when setting the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the base station,
- wherein a parameter setting process is performed for a newly installed base station so that the code parameter, the time parameter, and the frequency parameter used in the preamble of the newly installed base station are set to be different than the code parameter, the time parameter, and the frequency parameter used in the preamble of a neighboring cell,
- wherein the collecting of the code parameter, the time parameter, and the frequency parameter comprises requesting the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the neighboring cell, to a parameter administration controller based on the neighboring cell information, and receiving, from the parameter administration controller the code parameter, the time parameter, and the frequency parameter that are used in the preamble of the neighboring cell.
Dependencies are inferred from the claim text.