Patent ID: 7944893
Filing Date: 2011-05-17
Classification: H04W

Abstract:
1. A signal transmission method over a forward traffic channel in CDMA cellular mobile communications that can simultaneously perform one or more high speed communications whose transmission rates are higher than or equal to a predetermined rate, and one or more low speed communications whose transmission rates are lower than the predetermined rate between a plurality of mobile stations and a base station, said signal transmission method comprising the steps of: checking, on a base station side, whether a communication request is made for a high speed communication; checking, if the communication request is made for a high speed communication, whether a total number of high speed communications performed simultaneously becomes greater than a predetermined first threshold value if the communication request is accepted; and restricting acceptance of the communication request, if the total number of high speed communications becomes greater than the first threshold value even though resources to be allocated to the requested high speed communication are available to accept the high speed communication request, wherein the step of restricting checks, if the total number of high speed communications becomes greater than the first threshold value, whether the total number of high speed communications becomes greater than a predetermined second threshold value if the communication request is accepted, and accepts the communication request with limiting a transmission rate of the requested communication, if the total number of high speed communications becomes less than or equal to the second threshold value, and rejects the communication request, if the total number of high speed communications becomes greater than the second threshold value.