Method for configuring a telecommunication system
View Patent ↗A method and system for configuring a CDMA telecommunications system having at least one sending entity and at least one receiving entity, each entity configured to transmit data on at least one physical channel (DPDCH) via a transport channel composite (CCTrCH) of multiple transport channels. At least one entity includes a data processing module configured to determine for each transport channel a first parameter (RMi) proportional to a rate matching ratio (RFi) and a second parameter representing a maximum physical rate (Ndata) and to transform for each of the transport channels a number of symbols before rate matching (Nk) into a number of symbols after rate matching (Nk+ΔNk), where the number of symbols after rate matching (Nk+ΔNk) is obtained approximately by multiplying the number of symbols before rate matching (Nk) by the rate matching ratio (RFi).
1. A telecommunication system having at least one first entity and at least one second entity configured to transmit data on at least one physical channel, said physical channel transmitting a transport channel composite and having a maximum physical bit rate, said transport channel composite comprising data of a plurality of transport channels, said system comprising:
means for determining a first parameter controlling a rate matching ratio for said transport channel;
means for transmitting said first parameter to at least one of said first entity and said second entity;
means for transforming a number of symbols before rate matching into a number of symbols after said rate matching for said transport channel;
means for determining a maximum value of rate estimators by calculating said rate estimator of respective one of a plurality of said transport channel composites, said rate estimator being calculated by multiplying said first parameter by the number of symbols before said rate matching per radio frame of each of said transport channels;
means for calculating a ratio of said maximum physical bit rate to said maximum value of said rate estimators; and
means for determining a variation between the number of symbols after said rate matching and the number of symbols before said rate matching based on said first parameter and said ratio of said maximum physical bit rate to said maximum value of said rate estimators.
2. The telecommunication system according to claim 1 , wherein said variation is calculated by multiplying said first parameter by said number of symbols before said rate matching and said ratio of said maximum physical bit rate to said maximum value of said rate estimators.
3. A communication method of a telecommunication system including a plurality of entities and transmitting data on at least one physical channel, said physical channel transmitting a transport composite and having a maximum physical bit rate, said transport channel composite including data of a plurality of transport channels, said method comprising the steps of:
determining a first parameter controlling a rate matching ratio for said transport channel in said telecommunication system;
transmitting said first parameter to at least one of said entities in said telecommunication system;
transforming a number of symbols before rate matching into a number of symbols after rate matching for each of said transport channels in said telecommunication system;
calculating rate estimators in said telecommunication system, each of said rate estimators corresponding to each of said transport channel composites and being calculated by multiplying said first parameter by the number of symbols before said rate matching per radio frame of each of said transport channels;
determining a maximum value of said rate estimators among values of said rate estimators calculated at said calculating step in said telecommunication system;
calculating a ratio of said maximum physical bit rate to said maximum value of said rate estimators in said telecommunication system; and
determining a variation between the number of symbols after said rate matching and the number of before said rate matching based on said first parameter and said ratio of said maximum physical bit rate to said maximum value of said rate estimators in said telecommunication system.
4. A communication apparatus for transmitting or receiving data on at least one physical channel, said at least one physical channel transmitting a transport channel composite and having a maximum physical bit rate, said transport channel composite including data of plurality of transport channels, each of said transport channels being processed by a separate and distinct processing procedure, said communication apparatus comprising:
means for transforming a number of symbols before rate matching into a number of symbols after said rate matching for each of said transport channels;
means for determining a maximum value of rate estimators by calculating said rate estimator of respective one of a plurality of said transport channel composites, said rate estimator being calculated by multiplying a first parameter by the number of symbols before said rate matching per radio frame of each of said transport channels, said first parameter controlling a rate matching ratio for said transport channel;
means for calculating a ratio of said maximum physical bit rate to said maximum value of said rate estimators; and
means for determining a variation between the number of symbols after said rate matching and the number of symbols before said rate matching based on said first parameter and said ratio of said maximum physical bit rate to said maximum value of said rate estimators.
5. A communication method of a communication apparatus and for transmitting or receiving data on at least one physical channel, said at least one physical channel transmitting a transport channel composite and having a maximum physical bit rate, said transport channel composite including data of plurality of transport channels, each of said transport channels being processed by a separate and distinct processing procedure, said method comprising the steps of:
transforming a number of symbols before rate matching into a number of symbols after said rate matching for each of said transport channels in said communication apparatus;
calculating rate estimators in said communication apparatus, each of said rate estimators corresponding to each of said transport channel composites and being calculated by multiplying a first parameter by the number of symbols before said rate matching per radio frame of each of said transport channels, said first parameter controlling a rate matching ratio for said transport channel;
determining a maximum value of said rate estimators among values of said rate estimators calculated at said calculating step in said communication apparatus;
calculating a ratio of said maximum physical bit rate to said maximum value of said rate estimators in said communication apparatus; and
determining a variation between the number of symbols after said rate matching and the number of symbols before said rate matching based on said first parameter and said ratio of said maximum physical bit rate to said maximum value of said rate estimators in said communication apparatus, wherein said transforming step is implemented based on said variation.
6. A communication apparatus used in a telecommunication system, said telecommunication system including a plurality of entities and transmitting data on at least one physical channel, said at least one physical channel transmitting a transport channel composite and having a maximum physical bit rate, said transport channel composite including data of plurality of transport channels, each of said transport channels being processed by a separate and distinct processing procedure, at least one of said entities transforming a number of symbols before rate matching into a number of symbols after said rate matching for each of said transport channels, said communication apparatus comprising:
means for receiving a first parameter controlling a rate matching ratio for said transport channel;
means for determining a maximum value of rate estimators by calculating said rate estimator of respective one of a plurality of said transport channel composites, said rate estimator being calculated by multiplying said first parameter by the number of symbols before said rate matching per radio frame of each of said transport channels;
means for calculating a ratio of said maximum physical bit rate to said maximum value of said rate estimators; and
means for determining a variation between the number of symbols after said rate matching and the number of symbols before said rate matching based on said first parameter and said ratio of said maximum physical bit rate to said maximum value of said rate estimators.