We Claim:
1. A communication method, comprising:
obtaining, from receivers of a plurality of communication links, respective normalized power values of sums of interference and noise experienced by the receivers and transmit power values of transmitters of the plurality of communication links, each of the plurality of links supporting a plurality of service types of transmissions, respective transmission rate targets being defined for the plurality of service types according to different qualities of service required by the plurality of service types, and the transmission rate targets being sorted as a first sequence in a first order;
determining, for the plurality of links, values of non-linear combinations of the transmit powers and the normalized powers corresponding to the plurality of links respectively;
arranging the values of the non-linear combinations corresponding to the plurality of links as a second sequence in the first order; and
providing the transmitters of the plurality of links with location sequence numbers of the values of the non-linear combinations in the second sequence.
2. The method according to Claim 1, wherein the values of non-linear combinations of the transmit powers and the normalized powers each comprise a sum of a reciprocal of a normalized power value and a reciprocal of a transmit power value corresponding to a same communication link of the plurality of communication links.
3. A communication method, comprising:
obtaining, from a receiver of a first communication link of a plurality of communication links, a first normalized power value of a sum of interference and noise experienced by the receiver, each of the plurality of links supporting a plurality of service types of transmissions, respective transmission rate targets being defined for the plurality of service types according to different qualities of service required by the plurality of service types, and the transmission rate targets being sorted as a first sequence in a first order;
obtaining a value of a transmission rate target corresponding to the first communication link and determining a service type corresponding to the value of the transmission rate target, the value of the transmission rate target being determined according to the first sequence and a location of a value of a non-linear combination of the first
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normalized power and a transmit power of a transmitter of the first communication link in a second sequence, the second sequence being obtained by arranging values of a plurality of non-linear combinations corresponding to the following of the plurality of communication links in the first order: normalized power values of sums of interference and noise experienced by receivers of the plurality of communication links, and transmit power values of transmitters of the plurality of communication links;
obtaining a plurality of maximum normalized power constraint values for the plurality of communication links; and
updating the transmit power of the first communication link based on the value of the transmission rate target, the first normalized power value, and a maximum normalized power constraint value corresponding to the first communication link.
4. The method according to Claim 3, wherein the value of the non-linear combination of the first normalized power and the transmit power comprises a sum of a reciprocal of a normalized power value and a reciprocal of a transmit power value.
5. The method according to Claim 3, wherein updating the transmit power of the first communication link comprises:
updating the transmit power of the first communication link as a first transmit power value based on the transmission rate target and the first normalized power value of the first communication link; and
updating the transmit power of the first communication link as a second transmit power value based on the maximum normalized power constraint value and the first transmit power value.
6. The method according to Claim 5, wherein updating the transmit power of the first
communication link as the first transmit power value comprises updating the transmit power
of the first communication link as the first transmit power value based on an equation:
p:(t + 1) = 2 Rt ( n ) In ( t ) pn ( t ) , n = 1,2,.;N
In( t ) + pn( t)
where p'n(t + 1) represents the first transmit power value of a nth communication link among the plurality of communication link at a time t+1, yRt ( n ) represents the transmission rate
target of the nth communication link at a time t+1, In ( t) represents the first normalized
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power value of the nth communication link at a time t+1, pn(t) represents a transmit power
of the nth communication link at a time t+1, t is an arbitrary integer that is greater than or equal to 0, and N is an arbitrary integer that is greater than or equal to 2.
7. The method according to Claim 5, wherein updating the transmit power of the first
communication link as the second transmit power value based on the maximum normalized
power constraint value and the first transmit power value comprises updating the transmit
power value as the second transmit power value based on an equation:
pn(t + 1) = PP , n = 1,2,.;N
where pn(t + 1) represents the second transmit power value of a nth communication link
among the plurality of communication links at a time t+1, and P represents the maximum normalized power constraint value.
8. The method according to Claim 7, wherein the maximum normalized power
constraint value is determined based on an equation:
- 1 N
P = max —Yw np'(t + 1)
m=1,2,---,M P '~~ m n=1
where M represents the number of power constraints and M>1, wmn represents weights of
the power constraints, and wmn > 0 , and Pm represents a power upper-limit value corresponding to a mth power constraint among the power constraints.
9. A network device, comprising:
a controller; and
a memory coupled to the controller and having instructions stored thereon, the instructions, when executed by the controller, causing the network device to perform acts including:
obtaining, from receivers of a plurality of communication links, respective normalized power values of sums of interference and noise experienced by the receivers and transmit power values of transmitters of the plurality of communication links, each of the plurality of links supporting a plurality of service types of transmissions, respective transmission rate targets being defined for the plurality of service types according to different
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qualities of service required by the plurality of service types, and the transmission rate targets being sorted as a first sequence in a first order;
determining, for the plurality of links, values of non-linear combinations of the transmit powers and the normalized powers corresponding to the plurality of links respectively;
arranging the values of the non-linear combinations corresponding to the plurality of links as a second sequence in the first order; and
providing the transmitters of the plurality of links with location sequence numbers of the values of the non-linear combinations in the second sequence.
10. The device according to Claim 9, wherein the values of non-linear combinations of
the transmit powers and the normalized powers each comprise a sum of a reciprocal of a
normalized power value and a reciprocal of a transmit power value corresponding to a same
communication link of the plurality of communication links.
11. A terminal device, comprising:
a controller; and
a memory coupled to the controller and having instructions stored thereon, the instructions, when executed by the controller, causing the terminal device to perform acts including:
obtaining, from a receiver of a first communication link of a plurality of communication links, a first normalized power value of a sum of interference and noise experienced by the receiver, each of the plurality of links supporting a plurality of service types of transmissions, respective transmission rate targets being defined for the plurality of service types according to different qualities of service required by the plurality of service types, and the transmission rate targets being sorted as a first sequence in a first order;
obtaining a value of a transmission rate target corresponding to the first communication link and determining a service type corresponding to the value of the transmission rate target, the value of the transmission rate target being determined according to the first sequence and a location of a value of a non-linear combination of the first normalized power and a transmit power of a transmitter of the first communication link in a second sequence, the second sequence being obtained by arranging values of a plurality of non-linear combinations corresponding to the following of the plurality of communication links in the first order: normalized power values of sums of interference and noise
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experienced by receivers of the plurality of communication links, and transmit power values of transmitters of the plurality of communication links;
obtaining a plurality of maximum normalized power constraint values for the plurality of communication links; and
updating the transmit power of the first communication link based on a value of a transmission rate target, the first normalized power value and a maximum normalized power constraint value corresponding to the first communication link.
12. The device according to Claim 11, wherein the value of the non-linear combination of the first normalized power and the transmit power comprises a sum of a reciprocal of a normalized power value and a reciprocal of a transmit power value.
13. The device according to Claim 12, wherein the acts further include:
updating the transmit power of the first communication link as a first transmit power value based on the transmission rate target and the first normalized power value of the first communication link; and
updating the transmit power of the first communication link as a second transmit power value based on the maximum normalized power constraint value and the first transmit power value.
14. The device according to Claim 13, wherein the acts further include:
updating the transmit power of the first communication link as the first transmit power value based on an equation:
p:(t + 1) = 2r^^Pp t n = 1,2,..,N
where p'n(t + 1) represents the first transmit power value of a nth communication link among the plurality of communication link at a time t+1, yRt ( n ) represents the transmission rate
target of the nth communication link at a time t+1, n (t) represents the first normalized power value of the nth communication link at a time t+1, pn(t )represents a transmit power of the
nth communication link at a time t+1, t is an arbitrary integer that is greater than or equal to 0, and N is an arbitrary integer that is greater than or equal to 2.
15. The device according to Claim 14, wherein the acts further include:
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updating the transmit power value as the second transmit power value based on an equation:
pn(t + 1) = PP , n = 1,2,.;N
where pn(t + 1) represents the second transmit power value of the nth communication link
among the plurality of communication links at the time t+1, and Prepresents the maximum normalized power constraint value.
16. The device according to Claim 15, wherein the maximum normalized power
constraint value is determined based on an equation:
- 1 N
P= max —yw,'( + 1)
m=1,2,-M P n-1 mnpn t
where M represents the number of power constraints and M>1, wmn represents weights of
the power constraints and wmn > 0 , and Pm represents a power upper-limit value corresponding to a m th power constraint among the power constraints.
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