Systems and methods that utilize a capacity-based signal-to-noise ratio to predict and improve mobile communication

A method that facilitates wireless communication, comprising:

• receiving information associated with a forward link at a mobile terminal, the information including channel related information and power related information;
• determining a capacity based effective signal-to-noise ratio(SNR) from the received information;
• conveying the capacity based effective SNR to a base station;
• comparing the capacity based effective SNR to a target effective SNR, wherein an up command is sent if the capacity based effective SNR is less than the target effective SNR and a down command is sent otherwise;
• utilizing the capacity based effective SNR to facilitate wireless communication;
• and
• computing the capacity based effective SNR as follows:
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• /
• backoff
• )
• ,
• wherein
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the ith modulation symbol;
• backoff accounts for coding loss;
• AND
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• N is the total number of modulated symbols;
• N0,i is the interference power seen by the ith modulation symbol;
• N0 is the average interference power seen by all the symbols;
• and
• N0=(1/N)sum(N0,i)).

A system that facilitates wireless communication, comprising:

• a first component that determines a capacity based effective signal-to-noise ratio (SNR);
• a
• filter bank with a plurality of filters that are utilized to facilitate determining the capacity based effective SNR;
• and
• a second component that employs the capacity based effective SNR to facilitate scheduling transmissions, providing power control commands and/or predicting a transmission supporting rate,
• wherein the first component is configured to determine the capacity based effective SNR as follows
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• )
• ,
• wherein,
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the it modulation symbol;
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• and
• N is the total number of modulated symbols.

A system that facilitates wireless communication, comprising:

• a first component that determines a capacity based effective signal-to-noise ratio (SNR);
• a
• filter bank with a plurality of filters that are utilized to facilitate determining the capacity based effective SNR;
• and
• a second component that employs the capacity based effective SNR to facilitate scheduling transmissions, providing power control commands and/or predicting a transmission supporting rate,
• wherein the first component is configured to determine the capacity based SNR as follows:
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• /
• backoff
• )
• ,
• wherein,
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the ith modulation symbol;
• backoff accounts for coding loss;
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• and;
• N is the total number of modulated symbols.

A system that facilitates wireless communication, comprising:

• a first component that determines a capacity based effective signal-to-noise ratio (SNR);
• a
• filter bank with a plurality of filters that are utilized to facilitate determining the capacity based effective SNR;
• and
• a second component that employs the capacity based effective SNR to facilitate scheduling transmissions, providing power control commands and/or predicting a transmission supporting rate,
• wherein a filter is selected from the filter bank as a function of an accuracy of the capacity based effective SNR measurement and a maximum Doppler frequency at which a base station desires to respond to an instantaneous fade realization.

A wireless communication system, comprising:

• means for determining a capacity-based effective SNR for a forward and/or reverse link;
• means for comparing the capacity based effective SNR to a target effective SNR, wherein an up command is sent if the capacity based effective SNR is less than the target effective SNR and a down command is sent otherwise;
• means for utilizing the capacity-based effective SNR to facilitate scheduling mobile terminal transmissions, providing power control commands and/or predicting a supporting transmission rate;
• and
• means for computing the capacity based effective SNR as follows:
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• )
• ,
• wherein,
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the ith modulation symbol;
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• and;
• N is the total number of modulated symbols.

A wireless communication system, comprising:

• means for determining a capacity-based effective SNR for a forward and/or reverse link;
• means for comparing the capacity based effective SNR to a target effective SNR, wherein an up command is sent if the capacity based effective SNR is less than the target effective SNR and a down command is sent otherwise;
• and
• means for utilizing the capacity-based effective SNR to facilitate scheduling mobile terminal transmissions, providing power control commands and/or predicting a supporting transmission rate;
• and
• means for computing the capacity based effective SNR as follows:
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• /
• backoff
• )
• ,
• wherein,
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the ith modulation symbol;
• backoff accounts for coding loss;
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• and;
• N is the total number of modulated symbols.

A computer-readable medium having computer-executable instructions for facilitating wireless communication, comprising:

• receiving information associated with a forward link at a mobile terminal;
• determining a capacity based effective SNR from the received information;
• comparing the capacity based effective SNR to a target effective SNR, wherein an up command is sent if the capacity based effective SNR is less than the target effective SNR and a down command is sent otherwise;
• utilizing the capacity based effective SNR to facilitate wireless communication;
• and
• determining the capacity based effective SNR as follows:
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• )
• ,
• wherein,
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the ith modulation symbol;
• and
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• and;
• N is the total number of modulated symbols.

A computer-readable medium having computer-executable instructions for facilitating wireless communication, comprising:

• receiving information associated with a forward link at a mobile terminal;
• determining a capacity based effective SNR from the received information;
• comparing the capacity based effective SNR to a target effective SNR, wherein an up command is sent if the capacity based effective SNR is less than the target effective SNR and a down command is sent otherwise;
• utilizing the capacity based effective SNR to facilitate wireless communication;
• and
• determining the capacity based effective SNR as follows:
• C
• ⁡
• (
• SNR
• eff
• )
• =
• 1
• N
• ⁢
• ∑
• i
• =
• 1
• N
• ⁢
• C
• ⁡
• (
• SNR
• i
• /
• backoff
• )
• ,
• wherein,
• SNReff=C−1(1/N . . . ),
• SNRi is the SNR of the ith modulation symbol;
• backoff accounts for coding loss;
• and
• C( ) is the constrained capacity function corresponding to the modulation scheme;
• and;
• N is the total number of modulated symbols.