Method for deciding admission and congestion
A technology of judgment and congestion status, applied in the field of admission judgment and congestion judgment, it can solve the problems of manual intervention, low practical feasibility, and difficulty of system interference, and achieve the effect of improving capacity and high practical feasibility.
Active Publication Date: 2007-06-20
XFUSION DIGITAL TECH CO LTD
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[0008] However, manual switching cannot accurately track the duration of interference and HSUPA services. It is possible that the RTWP-based admission and load control algorithm is still used when there is strong interference or HSUPA services exist; or when there is no interference or no When there is HSUPA service, the admission and load control algorithm based on the cell throughput or the equivalent number of users is still used, resulting in a decrease in system performance
Moreover, in practical applications, it is difficult to distinguish which part of the signal is a useful signal and which part of the signal is an interference signal. How to judge whether there is interference in the system and the size of the interference is really difficult
That is to say, the manual switching method cannot accurately control admission and load; in addition, the manual switching method requires manual intervention, and the actual feasibility is low
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0024] It can be seen from the existing technology that the admission and load control algorithm based on RTWP can reflect the dynamic and instantaneous characteristics of the system, and has better precision, accuracy and real-time performance. However, it cannot overcome the influence of uncertain external interference. In the case of large external interference, the RTWP measurement value of the system is mixed with "false load", so that the RTWP value cannot reflect the real load of the system; in addition, When there are HSUPA services in the system, the scheduling feature of HSUPA introduces "compressible load" into the system, which has a great impact on the admission and load control of the system.
[0025] Although various other admission and l...
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The method comprises: when there is a new access request, according to the admittance of uplink received total wideband power (RTWP) and the load control algorithm, decides if the new access request will be accepted; if not, then according the other admittances and the load control algorithm, continues to decide if the new access request will be accepted; when making congestion decision, according to the admittance of uplink RTWP and load control algorithm, decides if the system is at congestion state; if yes, then according to other admittances and the load control algorithm, decides if the system is at congestion state.
Description
technical field [0001] The invention relates to mobile communication technology, in particular to admission judgment and congestion judgment methods. Background technique [0002] In the mobile communication system, the increase of air interface load will affect the quality of service and even drop calls, so it is very important to maintain the system at a normal load level to provide stable services. Admission judgment means that in order to ensure the normal operation of the system, when there is an access request of a new user or new service in the system, that is, a new access request, it is judged whether to accept the new access request according to the load status of the system. After the admission is successful, the system load may also change with the change of the wireless environment, which may cause overload and cause system instability. Therefore, load control is also required to maintain the normal operation of the system. Load control refers to judging whethe...
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IPC IPC(8): H04Q7/38H04L29/02H04L29/06H04B7/26H04W48/06
Inventor 陆干忠
Owner XFUSION DIGITAL TECH CO LTD