Method and apparatus for managing uplink communication in wireless communication network
View Patent ↗A method for managing uplink communication in wireless communication network is provided. The method includes selecting one or more Mobile Stations (MSs) from a plurality of MSs based on a first signal parameter corresponding to each MS of the one or more MSs, one or more second signal parameters corresponding to each MS of the one or more MSs, and one or more threshold parameters. The first signal parameter is associated with a Base Station (BS) serving a MS. Further, the one or more second signal parameters are associated with one or more BSs neighboring to the MS. The one or more threshold parameters are associated with a communication parameter. Thereafter, the method includes modifying uplink Modulation and Coding Scheme (MCS) level of the one or more MSs.
1. A method of managing communication in a wireless communication network, the method comprising:
for each mobile station in a plurality of mobile stations within a coverage area of a base station:
receiving a first signal parameter associated with a communication link between the mobile station and the base station;
receiving a second signal parameter associated with a communication link between the mobile station and a neighboring base station;
determining a relative signal parameter for the mobile station using the first signal parameter and the second signal parameter;
comparing the relative signal parameter for the mobile station with a threshold parameter; and
modifying a Modulation and Coding Scheme (MCS) level of the mobile station if the relative signal parameter falls within a predefined range of the threshold parameter.
2. The method of claim 1 , wherein the first signal parameter is at least one of: a path loss, a shadowing parameter, an antenna gain, a fading parameter, a signal strength indicator, and a channel quality.
3. The method of claim 1 , wherein modifying the MCS level of the mobile station comprises lowering an MCS level of an uplink of the mobile station to a lowest permitted MCS level.
4. The method of claim 1 , wherein modifying the MCS level of the mobile station comprises decreasing an MCS level of an uplink of the mobile station by a predefined level.
5. The method of claim 1 , wherein the second signal parameter corresponds to at least one of: a path loss, a shadowing parameter, an antenna gain, a fading parameter, a signal strength indicator, and a channel quality between the mobile station and the neighboring base station.
6. The method of claim 1 , further comprising:
comparing a communication parameter with a predefined value; and
modifying the threshold parameter based on the comparison.
7. The method of claim 1 , wherein determining the relative signal parameter comprises:
computing a difference of the first signal parameter and the second signal parameter.
8. A method of managing communication in a wireless communication network, the method comprising:
for each mobile station in a plurality of mobile stations within a coverage area of a base station:
receiving a first signal parameter comprising a transmitted power corresponding to the base station;
receiving a second signal parameter comprising at least one of a path loss, a shadowing parameter, an antenna gain, a fading parameter, a signal strength indicator, and a channel quality between the mobile station and a neighboring base station;
determining an interference parameter for the mobile station using the first signal parameter and the second signal parameter;
comparing the interference parameter for the mobile station with a threshold parameter; and
modifying a Modulation and coding scheme (MCS) level of the mobile station based on the comparison.
9. The method of claim 8 further comprising sorting the plurality of mobile stations based on the interference parameter associated with each mobile station of the plurality of mobile stations.
10. The method of claim 8 , wherein the threshold parameter is a predefined percentage of mobile stations.
11. The method of claim 8 further comprising:
comparing a communication parameter with a predefined value; and
modifying the threshold parameter based on the comparison.
12. The method of claim 11 , wherein the communication parameter is one of a Carrier to Interference and Noise Ratio (CINR), a Physical CINR (PCINR), an Effective CINR (ECINR), a Carrier to Interference Ratio (CIR), a Signal to Interference and Noise Ratio (SINR), a Signal to Interference Ratio (SIR), a coverage parameter, a Bit Error Rate (BER), a Block Error Rate (BLEB), and an Outer Loop Correction (OLC) Factor.
13. The method of claim 8 , wherein modifying the MCS level of the mobile station comprises lowering an MCS level of an uplink of the mobile station to a lowest permitted MCS level.
14. The method of claim 8 , wherein modifying the MCS level of the mobile statio n comprises decreasing a MCS level of an uplink of mobile station by a predefined level.
15. The method of claim 6 , wherein the communication parameter includes one of a Carrier to Interference and Noise Ratio (CINR), a Physical CINR (PCINR), an Effective CINR (ECINR), a Carrier to Interference Ratio (CIR), a Signal to Interference and Noise Ratio (SINR), a Signal to Interference Ratio (SIR), a coverage parameter, a Bit Error Rate (BER), a Block Error Rate (BLER), and an Outer Loop Correction (OLC) Factor.
16. The method of claim 8 , wherein determining the interference parameter comprises combining the first signal parameter and the second signal parameter.
17. A base station for managing communication in a wireless communication network, the base station comprising:
a transceiver configured to:
for each mobile station in a plurality of mobile stations within a coverage area of the base station:
receive a first signal parameter associated with a communication link between the mobile station and the base station; and
receive a second signal parameter associated with a communication link between mobile station and a neighboring base station; and
a processor configured to:
for each mobile station in the plurality of mobile stations:
determine a relative signal parameter for the mobile station using the first signal parameter and the second signal parameter for the mobile station:
compare the relative signal parameter for the mobile station with a threshold parameter; and
modify a Modulation and coding scheme (MCS) level of the mobile station if the relative signal parameter falls within a predefined range of the threshold parameter.
18. The base station of claim 17 , wherein the processor is further configured to:
compare a communication parameter with a predefined value; and
modify the threshold parameter based on the comparison.
19. The base station of claim 18 , wherein the communication parameter is one of a Carrier to Interference and Noise Ratio (CINR), a Physical CINR (PCINR), an Effective CINR (ECINR), a Carrier to Interference Ratio (CIR), a Signal to Interference and Noise Ratio (SINR), a Signal to Interference Ratio (SIR), a coverage parameter, a Bit Error Rate (BER), a Block Error Rate (BLER), and an Outer Loop Correction (OLC) Factor.
20. The base station of claim 17 , wherein the relative signal parameter is computed as a difference of the first signal parameter and the second signal parameter.