CN102196537A - Power status reporting information processing method, terminal and base station - Google Patents

Power status reporting information processing method, terminal and base station Download PDF

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Publication number
CN102196537A
CN102196537A CN2010101605681A CN201010160568A CN102196537A CN 102196537 A CN102196537 A CN 102196537A CN 2010101605681 A CN2010101605681 A CN 2010101605681A CN 201010160568 A CN201010160568 A CN 201010160568A CN 102196537 A CN102196537 A CN 102196537A
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Prior art keywords
base station
transmit power
information
power spectrum
terminal
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刘锟
鲁照华
关艳峰
方惠英
刘向宇
肖华华
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ZTE Corp
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ZTE Corp
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Priority to CN2010101605681A priority Critical patent/CN102196537A/en
Priority to PCT/CN2010/077982 priority patent/WO2011106977A1/en
Priority to JP2012555283A priority patent/JP5659420B2/en
Publication of CN102196537A publication Critical patent/CN102196537A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a power status reporting information processing method, a terminal and a base station. The method comprises that: the terminal transmits uplink transmission power spectral density information to the base station by an uplink channel, wherein the uplink transmission power spectral density information comprises a downlink path loss value. By the method, the terminal and the base station, the effects of reducing signaling interaction and saving resources are achieved.

Description

The processing method of power state information, terminal and base station
Technical field
The present invention relates to the communications field, in particular to a kind of processing method, terminal and base station of power state information.
Background technology
In wireless communication system, the base station is meant the equipment that service is provided for terminal, and the base station communicates by Uplink/Downlink and terminal, and wherein, descending (or forward direction) is meant the direction from the base station to the terminal, and up (or oppositely) is meant the direction from terminal to base station.A plurality of terminals can send data by up link to the base station simultaneously, also can receive data simultaneously from the base station by down link.
In OFDM (Orthogonal Frequency Division Multiplexing abbreviates OFDM as) system, the co-channel interference of terminal is between uplink cells and disturbs in other sub-districts that the base station in this sub-district is subjected to; The co-channel interference of base station in other sub-districts that terminal in this sub-district is subjected to, promptly descending presence of intercell interference.Interference and descending presence of intercell interference are referred to as presence of intercell interference between uplink cells.The reduction presence of intercell interference is an important goal of ofdm system design to the influence of systematic function, if the serious interference of minizone, then can reduce power system capacity, particularly reduce the transmittability of Cell Edge User, and then influence the covering power of system and the performance of terminal.
To disturb in order effectively overcoming between uplink cells, just need to be the transmitting power that terminal distribution is fit to, guarantee the data message that receiving terminal that the base station not only can be correct sends but also can effectively control interference strength between uplink cells.In order to achieve the above object, terminal need be to the base station feedback information relevant with Interference Control, for example, and power state information (Power StatusReporting Information).And comprise multiple relevant information in the power state information, and for example descending propagation loss value (Downlink Pathloss, L) and uplink transmit power spectrum density (Uplink Transmission Power Spectral Density abbreviates ULTxPSD as) etc.
In ofdm system, available frequency resources is divided into N (N is the integer greater than zero) individual frequency partition (Frequency Partition, abbreviate FP as), Fig. 1 is the schematic diagram of dividing according to the frequency resource of the ofdm system of correlation technique, as shown in Figure 1, be that example illustrates the frequency partition in the correlation technique with N=4, available frequency resources is divided into 4 FP, that is [FP, 0, FP 1, FP 2, FP 3].
The inventor finds, in correlation technique, when be terminal distribution FP, terminal is distributed ULTxPSD information on the FP to the base station transmission earlier at every turn, therefore, the base station according to this ULTxPSD information can only computing terminal uplink transmission power on distribution FP.In the time will distributing a plurality of FP, just need terminal to send the ULTxPSD information of each FP one by one to the base station, this has increased the mutual of signaling, has wasted resource.
Summary of the invention
Main purpose of the present invention is to provide a kind of processing scheme of power state information, to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of processing method of power state information.
Processing method according to power state information of the present invention comprises: terminal sends uplink transmit power spectrum density information by up channel to the base station, and wherein, uplink transmit power spectrum density information comprises descending propagation loss value.
Preferably, uplink transmit power spectrum density information ULTxPSD=L, wherein, L is descending propagation loss value.
Preferably, uplink transmit power spectrum density information
Figure GSA00000086688000031
Wherein, L is descending propagation loss value,
Figure GSA00000086688000032
Be the uplink interference on all available FP and the mean value of noise level.
Preferably, terminal generates one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, and 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N; Generate in terminal under the situation of a uplink transmit power spectrum density information, terminal sends uplink transmit power spectrum density information by up channel to the base station and comprises: terminal sends a uplink transmit power spectrum density information by up channel to the base station; Generate in terminal under the situation of a plurality of uplink transmit power spectrum density information, terminal sends uplink transmit power spectrum density information by up channel to the base station and comprises: terminal by up channel to the base station send in a plurality of uplink transmit power spectrum density information partly or entirely.
To achieve these goals, according to a further aspect in the invention, provide a kind of processing method of power state information.
Processing method according to power state information of the present invention comprises: the base station receiving terminal is by the terminal of up channel transmission and the descending propagation loss value between the base station.
Preferably, uplink transmit power spectrum density information is calculated in the base station after receiving descending propagation loss value
Figure GSA00000086688000033
Wherein, L is descending propagation loss value, Be the uplink interference on all available FP of base station and the mean value of noise level.
Preferably, the base station is after receiving descending propagation loss value, calculate one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, and 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N.
To achieve these goals, according to another aspect of the invention, provide a kind of terminal.
Terminal according to the present invention comprises: sending module is used for sending uplink transmit power spectrum density information by up channel to the base station.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of base station.
Base station according to the present invention comprises: receiver module is used for receiving terminal by the terminal of up channel transmission and the descending propagation loss value between the base station.
By the present invention, adopt base station or terminal to obtain the mode of one or more ULTxPSD information once, solved in the correlation technique in the time will distributing a plurality of FP, need terminal to send the problem of the ULTxPSD information of each FP one by one to the base station, realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP, and then reached the effect that reduces Signalling exchange and save resource.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of dividing according to the frequency resource in the ofdm system of correlation technique;
Fig. 2 is the schematic diagram according to the processing method of a kind of power state information of the embodiment of the invention;
Fig. 3 is the structured flowchart according to a kind of terminal of the embodiment of the invention;
Fig. 4 is the schematic diagram according to the processing method of the another kind of power state information of the embodiment of the invention;
Fig. 5 is the structured flowchart according to a kind of base station of the embodiment of the invention;
Fig. 6 a is a kind of concrete structured flowchart according to the base station of the embodiment of the invention; And
Fig. 6 b is the another kind of concrete structured flowchart according to the base station of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
The invention provides the processing scheme of power state information, wherein, handle and to comprise at least a in sending and receiving.
Fig. 2 is the schematic diagram according to the processing method of a kind of power state information of the embodiment of the invention, this method may further comprise the steps: terminal sends uplink transmit power spectrum density information by up channel to the base station, wherein, comprise descending propagation loss value in this uplink transmit power spectrum density information.
Preferably, uplink transmit power spectrum density information ULTxPSD=L, wherein, L is descending propagation loss value.
The ULTxPSD information of all FP all is descending propagation loss value among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send an information and get final product, and has saved the required resource of transmission ULTxPSD information.
Preferably, uplink transmit power spectrum density information
Figure GSA00000086688000051
Wherein, L is descending propagation loss value,
Figure GSA00000086688000052
Be the uplink interference on all available FP of base station and the mean value of noise level.
The ULTxPSD information of all FP all is identical among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.And, considered the uplink interference on all available FP and the mean value of noise level in the ULTxPSD information, make the ULTxPSD information that calculates can better adapt to available FP.
Preferably, terminal generates one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, and 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N; Generate in terminal under the situation of a uplink transmit power spectrum density information, terminal sends uplink transmit power spectrum density information by up channel to the base station and comprises: terminal sends a uplink transmit power spectrum density information by up channel to the base station; Generate in terminal under the situation of a plurality of uplink transmit power spectrum density information, terminal sends uplink transmit power spectrum density information by up channel to the base station and comprises: terminal by up channel to the base station send in a plurality of uplink transmit power spectrum density information partly or entirely.
This embodiment utilizes terminal that one or more ULTxPSD information are partly or entirely issued the base station, solved in the correlation technique in the time will distributing a plurality of FP, need send the problem of the ULTxPSD information of each FP one by one, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Preferably, generate in terminal under the situation of a uplink transmit power spectrum density information, pairing FP of uplink transmit power spectrum density information is one of following: the FP of particular index number, the up main frequency partitions that the base station is supported, the descending main frequency partitions that the base station is supported, the frequency partition at ascending control channel place among the FP that the FP of the call number maximum among the FP that the FP of the call number minimum among the FP that last FP among the FP that first FP among the FP that the base station is supported, base station are supported, base station are supported, base station are supported, base station are supported.
This embodiment determines to generate in the situation of a uplink transmit power spectrum density information in terminal; The descending basic frequency subregion that the up basic frequency subregion that the FP of specific call number or base station are supported among the FP that the FP of the call number maximum among the FP that the FP of the call number minimum among the FP that last FP among the FP that first FP among the FP that this uplink transmit power spectrum density information respective base station is supported or base station are supported or base station are supported or base station are supported or base station are supported or base station are supported or the frequency subregion at up control channel place carry out the operation that FP selects thereby saved terminal when generating a uplink transmit power spectrum density information.
Preferably, the FP that the base station is supported comprise following one of at least: the upstream frequency subregion disturbs relative noise power to promote the rank controlling elements not to be the FP set of INF1, and wherein INF1 represents that corresponding FP cannot use; Noise and interference value rank are not the FP set of INF2, and wherein INF2 represents that corresponding FP cannot use.
This embodiment further defines the scope of the FP that supports the base station, has strengthened practicality.
Preferably, generate in terminal under the situation of a uplink transmit power spectrum density information, determine a pairing FP of uplink transmit power spectrum density information according to the sector of base station index information.
When this embodiment generates a uplink transmit power spectrum density information in terminal, determine the FP of this uplink transmit power spectrum density information correspondence to have strengthened the flexibility of selecting FP according to the sector of base station index information.
Preferably, determine that according to described sector of base station index information a described pairing FP of uplink transmit power spectrum density information comprises: the call number i=SegmentID+1 of a described pairing FP of uplink transmit power spectrum density information, wherein, SegmentID is described sector of base station index information.
When this embodiment generates a uplink transmit power spectrum density information in terminal, determine the FP of this uplink transmit power spectrum density information correspondence according to i=SegmentID+1, not only strengthened the flexibility of selecting FP, make each FP that selecteed chance all be arranged, also strengthened the practicality of present embodiment.
Preferably, comprise following one of at least: the downlink path loss value between terminal and the base station, the transmitter antenna gain (dBi) of terminal.
This embodiment makes the value of descending propagation loss value more flexible by adopting the parameter of various combination.
Preferably, terminal quantizes uplink transmit power spectrum density information, quantize to comprise following one of at least: uniform quantization and non-uniform quantizing.
This embodiment has saved and has sent required resource by ULTxPSD information is carried out quantification treatment.
Preferably, when being terminal distribution FP resource, the base station is according to the uplink transmission power of uplink transmit power spectrum density information calculations terminal on FP to be allocated at every turn.
The base station utilizes the uplink transmission power on the FP that the ULTxPSD information calculations band on whole FP that terminal sends distributes among this embodiment, need not terminal and sends ULTxPSD information on the FP to be allocated again, thereby reduced Signalling exchange.
Preferably, up channel comprise following one of at least: ascending power status report messages (AAI_Uplink Power Status Report abbreviates AAI_UL-PSR as), downstream feedback channel massage, uplink data channels message.
Fig. 3 is the structured flowchart according to a kind of terminal of the embodiment of the invention, this terminal comprises sending module 32, be used for sending uplink transmit power spectrum density information to the base station, wherein, comprise descending propagation loss value at least in this uplink transmit power spectrum density information by up channel.
Preferably, this uplink transmit power spectrum density information ULTxPSD=L, wherein, L is descending propagation loss value.
The ULTxPSD information of all FP all is descending propagation loss value among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.
Preferably, this uplink transmit power spectrum density information
Figure GSA00000086688000091
Wherein, L is descending propagation loss value,
Figure GSA00000086688000092
Be the uplink interference on all available FP of base station and the mean value of noise level.
The ULTxPSD information of all FP all is identical among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.And, in the process that generates ULTxPSD information, considered the uplink interference and the mean value of noise level on all available FP, the feasible ULTxPSD information that calculates can better adapt to available FP.
Preferably, this transmit power spectral density information is one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N; Sending module 32 specifically is used for sending the part or all of of above-mentioned one or more uplink transmit power spectrum density information by up channel to the base station.
This embodiment utilizes terminal that one or more uplink transmit power spectrum density information are partly or entirely issued the base station, solved in the correlation technique in the time will distributing a plurality of FP, need send the problem of the ULTxPSD information of each FP one by one, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Fig. 4 is the schematic diagram according to the processing method of the another kind of power state information of the embodiment of the invention, and this method may further comprise the steps: the base station receiving terminal is by the terminal of up channel transmission and the descending propagation loss value between the base station.
Preferably, the base station generates uplink transmit power spectrum density information after receiving descending propagation loss value
Figure GSA00000086688000093
Wherein, L is descending propagation loss value,
Figure GSA00000086688000094
Be the uplink interference on all available FP of base station and the mean value of noise level.Wherein, generation comprises calculating calculate or estimates extimate.
This embodiment has considered the uplink interference and the mean value of noise level on all available FP in the process that generates ULTxPSD information, the feasible ULTxPSD information that calculates can better adapt to all available FP.
Preferably, the base station is after receiving descending propagation loss value, generate one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, and 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N.
This embodiment utilizes the base station once to generate one or more uplink transmit power spectrum density information, solved in the correlation technique in the time will distributing a plurality of FP, need send the problem of the ULTxPSD information of each FP one by one, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Preferably, descending propagation loss value comprise following one of at least: the downlink path loss value between terminal and the base station, the transmitter antenna gain (dBi) of terminal.
This embodiment makes the value of descending propagation loss value more flexible by adopting the parameter of various combination.
Preferably, the span of descending propagation loss value is [52.5dB, 180dB].
Preferably, terminal quantizes descending propagation loss value information.
Preferably, terminal is carried out uniform quantization to descending propagation loss value information, and it is one of following that the quantization level that this uniform quantization is adopted comprises: 256 grades of quantifications of 8 bits, 128 grades of quantifications of 7 bits, 64 grades of quantifications of 6 bits.
Preferably, when being terminal distribution FP resource, the base station is according to the uplink transmission power of uplink transmit power spectrum density information calculations terminal on FP to be allocated at every turn.
The base station utilizes the uplink transmission power on the FP that the ULTxPSD information calculations band on whole FP that terminal sends distributes among this embodiment, need not terminal and sends ULTxPSD information on the FP to be allocated again, thereby reduced Signalling exchange.
Fig. 5 is the structured flowchart according to a kind of base station of the embodiment of the invention, and this base station comprises receiver module 52, is used for receiving terminal by the terminal of up channel transmission and the descending propagation loss value between the base station.
Fig. 6 a is a kind of concrete structured flowchart according to the base station of the embodiment of the invention, and this base station comprises that first computing module 602 is coupled to receiver module 52, is used to generate uplink transmit power spectrum density information
Figure GSA00000086688000111
Wherein, L is descending propagation loss value,
Figure GSA00000086688000112
Be the uplink interference on all available FP of base station and the mean value of noise level.
This embodiment has considered the uplink interference and the mean value of noise level on all available FP in the process that generates ULTxPSD information, the feasible ULTxPSD information that calculates can better adapt to all available FP.
Fig. 6 b is a kind of concrete structured flowchart according to the base station of the embodiment of the invention, this base station comprises that second computing module 604 is coupled to receiver module 52, be used to generate one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, and 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N.
This embodiment utilizes the base station once to calculate one or more ULTxPSD information, solved in the correlation technique in the time will distributing a plurality of FP, need terminal to send the problem of the ULTxPSD information of each FP one by one to the base station, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Be elaborated below in conjunction with accompanying drawing and instantiation implementation procedure to the foregoing description.
Preferred embodiment one
This example adopts the base station (Base Station abbreviates BS as) with frequency partition division shown in Figure 1 as BS1, and the serving BS of terminal (Move Station abbreviates MS as) 1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 obtains uplink interference and the noise level of BS1 on whole available frequency resources
Figure GSA00000086688000121
Uplink interference and noise level
Figure GSA00000086688000122
Can be to obtain in the downlink signaling of MS1 by the BS1 transmission.
(3) MS1 calculates the uplink transmit power spectral density value by following formula:
ULTxPSD = L + NI ‾ .
(4) MS1 sends to BS1 with the ULTxPSD information that previous step calculates by up channel.
(5) BS1 receives the ULTxPSD information that MS1 sends, and is that MS distributes suitable ascending resource and uplink transmission power configuration information according to this ULTxPSD information and other relevant information with MS1.
The ULTxPSD information of all FP all is identical among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.And, in ULTxPSD information, considered the uplink interference on all available FP and the mean value of noise level, make the ULTxPSD information that calculates can better adapt to available FP.
Preferred embodiment two
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 obtains uplink interference and the noise level of BS1 on whole available frequency resources
Figure GSA00000086688000131
Uplink interference and noise level
Figure GSA00000086688000132
Can be MS1 be obtained by estimating by the uplink interference of one or more FP among FP0, FP1, FP2, the FP3 and noise level.In the present embodiment, suppose
Figure GSA00000086688000133
Uplink interference and noise level estimation by FP0, FP1, these 4 FP of FP2, FP3 obtain, and then can estimate by following formula:
NI ‾ = 1 / 4 * ( NI 0 + NI 1 + NI 2 + NI 3 )
Wherein, uplink interference and the noise level of each the available FP that obtains in NI0, NI1, NI2, the NI3 downlink signaling that to be MS1 sent by BS1;
(3) MS1 calculates the uplink transmit power spectral density value by following formula
Figure GSA00000086688000141
Wherein, ULTxPSD is the uplink transmit power spectral density value, and L is the descending propagation loss value between terminal and the base station,
Figure GSA00000086688000142
Be the uplink interference on all available FP of base station and the mean value of noise level.
(4) MS1 sends to BS1 with this ULTxPSD information by up channel.
(5) BS1 receives the ULTxPSD information that MS1 sends, and is that MS distributes suitable ascending resource and uplink transmission power configuration information according to this ULTxPSD information and other with the MS1 relevant information.
The ULTxPSD information of all FP all is identical among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.And, in ULTxPSD information, considered the uplink interference on all available FP and the mean value of noise level, make the ULTxPSD information that calculates can better adapt to available FP.
Preferred embodiment three
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 obtains uplink interference and the noise level NI (i) of BS1 on FP (i), and wherein, described NI (i) is uplink interference and the noise level of FP (i), and i is the call number of FP; In the present embodiment, suppose that FP has four at most, index i is more than or equal to 0 and smaller or equal to 3 integer.NI (i) obtains in the downlink signaling of MS1 by the BS1 transmission.
Wherein, FP (i) can be the specific FP that BS1 supports, for example, the FP of particular index number, the main frequency partitions (for example, descending main frequency partitions, up main frequency partitions) that the base station is supported, the frequency partition at ascending control channel place among the FP that the FP of last FP among the FP that first FP among the FP that BS1 supports or BS1 support or the FP of call number minimum or call number maximum or base station are supported.
Wherein, main frequency partitions is to be determined or the standard default configuration is determined by the base station.
(3) MS1 calculates the uplink transmit power spectral density value of one or more FP by following formula:
ULTxPSD(i)＝L+NI(i)。
(4) partly or entirely send to BS1 in ULTxPSD (i) information of MS1 one or more FP correspondences that aforementioned calculation is obtained by up channel.
(5) BS1 receives ULTxPSD (i) information that MS1 sends, and is that MS distributes suitable ascending resource and uplink transmission power configuration information according to described ULTxPSD (i) information and other with the MS1 relevant information.
This embodiment utilizes terminal once with one or more uplink transmit power spectrum density information and with its all or part of base station of issuing, solved in the correlation technique in the time will distributing a plurality of FP, need send the problem of the ULTxPSD information of each FP one by one, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Preferred embodiment four
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 calculates the uplink transmit power spectral density value by following formula:
ULTxPSD＝L
Wherein, L is the descending propagation loss value between terminal and the base station.
(3) MS1 sends to BS1 with the ULTxPSD information that calculates by up channel.
Wherein, this ULTxPSD information can send to BS1 by ascending power status report messages or other downstream feedback channel massages or uplink data channels message.
(4) BS1 receives the ULTxPSD information that MS1 sends, and is that MS distributes suitable ascending resource and uplink transmission power configuration information according to this ULTxPSD information and other with the MS1 relevant information.
The ULTxPSD information of all FP all is descending propagation loss value among this embodiment, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.
Preferred embodiment five
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, through calculating descending propagation loss value L.Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 sends to BS1 with descending propagation loss value L by up channel.
Wherein, descending propagation loss value L can send to BS1 by ascending power status report messages or other downstream feedback channel massages or uplink data channels message.
(3) BS1 receives the descending propagation loss value L that MS1 sends.
(4) BS1 obtains the uplink transmit power spectrum density according to the NI value on whole available frequency resources of place, base station preservation by following formula:
Figure GSA00000086688000171
Wherein, ULTxPSD is the uplink transmit power spectral density value, and L is the descending propagation loss value between terminal and the base station, Be the uplink interference on all available FP of base station and the mean value of noise level.
Then, BS1 is that MS distributes ascending resource and the uplink transmission power configuration information that is fit to according to ULTxPSD information and other and MS1 relevant information.
This embodiment has considered the uplink interference and the mean value of noise level on all available FP in the process that generates ULTxPSD information, the feasible ULTxPSD information that calculates can better adapt to all available FP.
Preferred embodiment six
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, through calculating descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 sends to BS1 with descending propagation loss value L by up channel.
Wherein, descending propagation loss value L can send to BS1 by ascending power status report messages or other downstream feedback channel massages or uplink data channels message.
(3) BS1 receives the descending propagation loss value L that MS1 sends.
(4) BS1 obtains the uplink transmit power spectrum density of one or more FP (i) according to uplink interference and the noise level NI (i) of each available FP (i) of place, base station preservation by following formula:
ULTxPSD(i)＝L+NI(i)
Wherein, i is the call number of FP.
(5) BS1 is that MS distributes ascending resource and the uplink transmission power configuration information that is fit to according to ULTxPSD (i) information and other and MS1 relevant information.
This embodiment utilizes the base station once to calculate one or more uplink transmit power spectrum density information, solved in the correlation technique in the time will distributing a plurality of FP, need send the problem of the ULTxPSD information of each FP one by one, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Preferred embodiment seven
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Transmission and method of reseptance to the uplink transmit power spectrum density of generation according to the present invention specifically describes below, and this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 calculates the uplink transmit power spectral density value by following formula:
ULTxPSD＝L。
(3) the present embodiment hypothesis adopts the method (N can be 6,7,8) of the uniform quantization of N bit for ULTxPSD.For example, the interval of ULTxPSD is [52.5dB, 180dB], and N=8, that is, adopt 8bit to quantize, quantification be spaced apart 0.5dB.Present embodiment hypothesis ULTxPSD=180dB, the result after then ULTxPSD quantizes is " 11111111 ".
(4) the ULTxPSD information after MS1 will quantize sends to BS1 by up channel.
Wherein, the ULTxPSD information after the quantification can send to BS1 by ascending power status report messages or other downstream feedback channel massages or uplink data channels message.
(5) BS1 receives the ULTxPSD information " 111111 " that MS1 sends, then, recover primary data information (pdi) " 180dB ", and, be that MS distributes ascending resource and the uplink transmission power configuration information that is fit to according to this ULTxPSD information and other and MS1 relevant information.
The ULTxPSD information of these all FP of embodiment all is descending propagation loss value, and therefore, when sending ULTxPSD information, terminal only need send a value and get final product, and has saved the required resource of transmission ULTxPSD information.
Preferred embodiment eight
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) the present embodiment hypothesis adopts the method (N can be 6,7,8) of the uniform quantization of N bit for L.For example, the interval of L is [52.5dB, 180dB], and N=8, that is, adopt 8bit to quantize, quantification be spaced apart 0.5dB.Present embodiment hypothesis L=180dB, the result after then L quantizes is " 11111111 ".
(3) the propagation loss value L after MS1 will quantize sends to BS1 by up channel.
Wherein, the propagation loss value L after the quantification can send to BS1 by ascending power status report messages or other downstream feedback channel massages or uplink data channels message.
(4) BS1 receives and recovers the propagation loss value L that MS1 sends.
(5) BS1 obtains the uplink transmit power spectrum density according to the NI value on whole available frequency resources of place, base station preservation by following formula:
Figure GSA00000086688000211
Wherein, ULTxPSD is the uplink transmit power spectral density value, and L is the descending propagation loss value between terminal and the base station,
Figure GSA00000086688000212
Be the uplink interference on all available FP of base station and the mean value of noise level.
This embodiment has considered the uplink interference and the mean value of noise level on all available FP in the process that generates ULTxPSD information, the feasible ULTxPSD information that calculates can better adapt to all available FP.
Preferred embodiment nine
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing method according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) the present embodiment hypothesis adopts the method (N can be 6,7,8) of the uniform quantization of N bit for L.For example, the interval of L is [52.5dB, 180dB], and N=8, that is, adopt 8bit to quantize, quantification be spaced apart 0.5dB.Present embodiment hypothesis L=180dB, the result after then L quantizes is " 11111111 ".
(3) the propagation loss value L after MS1 will quantize sends to BS1 by up channel.
Wherein, the propagation loss value L after the quantification can send to BS1 by ascending power status report messages or other downstream feedback channel massages or uplink data channels message.
(4) BS1 receives and recovers the descending propagation loss value L that MS1 sends.
(5) BS1 obtains the uplink transmit power spectrum density ULTxPSD (i) of one or more FP (i) according to uplink interference and the noise level NI (i) of the FP (i) of place, base station preservation by following formula:
ULTxPSD(i)＝L+NI(i)
(6) BS1 is that MS distributes ascending resource and the uplink transmission power configuration information that is fit to according to this ULTxPSD (i) information and other and MS1 relevant information.
This embodiment utilizes the base station once to calculate one or more uplink transmit power spectrum density information, solved in the correlation technique in the time will distributing a plurality of FP, need send the problem of the ULTxPSD information of each FP one by one, thereby realized that the base station does not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing FP.
Preferred embodiment ten
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 obtains uplink interference and the noise level NI (i) of BS1 on FP (i), and wherein, described NI (i) is uplink interference and the noise level of FP (i), and i is the call number of FP; In the present embodiment, suppose at most available frequency resources to be divided into four FP, i is more than or equal to 0 and smaller or equal to 3 integer.NI (i) obtains in the downlink signaling of MS1 by the BS1 transmission.
Wherein, the selection of FP (i) can be relevant with the sector index information (SegmentID) of BS1.For example:
i＝SegmentID+1
The SegmentID of hypothesis BS1 is 0 in the present embodiment, then the arrive i=1 of MS1 by calculating;
(3) MS1 calculates the uplink transmit power spectral density value of FP (1) by following formula:
ULTxPSD(1)＝L+NI(1)。
(4) ULTxPSD (1) information that MS1 FP (1) that aforementioned calculation is obtained is corresponding sends to BS1 by up channel.
(5) BS1 receives ULTxPSD (1) information that MS1 sends, and is that MS distributes suitable ascending resource and uplink transmission power configuration information according to described ULTxPSD (1) information and other with the MS1 relevant information.
This embodiment utilizes sector index information to determine the frequency partition of the uplink transmit power spectrum density information correspondence that need send to the base station, terminal is issued the base station with the ULTxPSD information of this FP correspondence, thereby makes the base station not need terminal to send the ULTxPSD information of the FP that is distributed again when distributing this FP.
Preferred embodiment 11
This example still adopts the BS with frequency partition division shown in Figure 1 as BS1, and the serving BS of MS1 is BS1.Below the processing according to power state information of the present invention is specifically described, this method comprises:
(1) MS1 measures by down channel and estimates, calculates descending propagation loss value L; Wherein, L can be the combination of the transmitter antenna gain (dBi) of downlink path loss between BS1 and the MS1 and MS1, also can be in the transmitter antenna gain (dBi) of downlink path loss and MS1 each.
(2) MS1 obtains uplink interference and the noise level NI (i) of BS1 on FP (i), and wherein, described NI (i) is uplink interference and the noise level of FP (i), and i is the call number of FP; In the present embodiment, suppose that FP has four at most, index i is more than or equal to 0 and smaller or equal to 3 integer.NI (i) obtains in the downlink signaling of MS1 by the BS1 transmission.
Wherein, FP (i) can select in the following manner:
GammaIoT FP rank indication information is not the FP of the FP of the FP of first FP in the FP set of INF or last FP or call number minimum or call number maximum or particular index number.Wherein, GammaIoT FP is up IoT (Interference over Thermal disturbs relative noise power the to promote rank) controlling elements of corresponding FP, is used for the control terminal uplink transmission power and reaches up other purpose of IoT level of control.Up (Uplink abbreviates UL as) GammaIoT FP adopts the individual bit quantization of N (N is the integer more than or equal to 1), and the value of each UL GammaIoT FP can reflect the different up IoT rank of corresponding FP; INF represents that the up IoT rank of FP is infinitely great or infinitely small, that is, when GammaIoT FP value was INF, this FP cannot use.INF=0 for example.
The FP of particular index number among the FP of last FP among the FP that noise and interference (Noise and Interference abbreviates NI as) rank is not supported for first FP in the FP of the INF set or BS1 or the FP of call number minimum or call number maximum or the FP that the base station is supported.Wherein, NI is noise and the interference strength value on the frequency partition, and INF represents that the up rank of FP is infinitely great or infinitely small, that is, when the NI value was INF, this FP cannot use.
(3) MS1 calculates the uplink transmit power spectral density value of one or more FP by following formula:
ULTxPSD(i)＝L+NI(i)。
(4) partly or entirely send to BS1 in ULTxPSD (i) information of MS1 one or more FP correspondences that aforementioned calculation is obtained by up channel.
(5) BS1 receives ULTxPSD (i) information that MS1 sends, and is that MS distributes suitable ascending resource and uplink transmission power configuration information according to described ULTxPSD (i) information and other with the MS1 relevant information.
This embodiment further defines the scope of the FP that supports the base station, and pre-determine ULTxPSD (i) information that generates which FP in this scope, when generating a uplink transmit power spectrum density information, carry out the operation that FP selects thereby saved terminal, and strengthened practicality.
In sum, adopt the present invention, base station or terminal obtain the mode of one or more ULTxPSD information once, solved in the correlation technique in the time will distributing a plurality of FP, need terminal to send the problem of the ULTxPSD information of each FP one by one, and then reached the effect that reduces Signalling exchange and save resource to the base station.In addition, the base station obtains the uplink transmit power spectrum density information of terminal, make the information that the base station can more accurate estimation up channel, thereby uplink transmission power reasonably is set, and then can control inter-cell uplink interference neatly, optimize the performance of network for terminal.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (23)

1. the processing method of a power state information is characterized in that, may further comprise the steps:
Terminal sends uplink transmit power spectrum density information by up channel to the base station, and wherein, described uplink transmit power spectrum density information comprises descending propagation loss value.
2. method according to claim 1 is characterized in that, described uplink transmit power spectrum density information ULTxPSD=L, and wherein, L is described descending propagation loss value.
3. method according to claim 1 is characterized in that, described uplink transmit power spectrum density information
Figure FSA00000086687900011
Wherein, L is described descending propagation loss value,
Figure FSA00000086687900012
Be the uplink interference on all available FP and the mean value of noise level.
4. method according to claim 1 is characterized in that,
Described terminal generates one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is descending propagation loss value, and NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N;
Generate in described terminal under the situation of a uplink transmit power spectrum density information, described terminal sends described uplink transmit power spectrum density information by up channel to described base station and comprises: described terminal sends a described uplink transmit power spectrum density information by up channel to described base station;
Generate in described terminal under the situation of a plurality of uplink transmit power spectrum density information, described terminal sends described uplink transmit power spectrum density information by up channel to described base station and comprises: described terminal by up channel to described base station send in described a plurality of uplink transmit power spectrum density information partly or entirely.
5. method according to claim 4 is characterized in that, generates in described terminal under the situation of a uplink transmit power spectrum density information, and a described pairing FP of uplink transmit power spectrum density information is one of following:
The descending main frequency partitions that the FP of particular index number, the up main frequency partitions that described base station is supported, described base station are supported among the FP that the FP of the call number maximum among the FP that the FP of the call number minimum among the FP that last FP among the FP that first FP among the FP that described base station is supported, described base station are supported, described base station are supported, described base station are supported, described base station are supported, the frequency partition at ascending control channel place.
6. method according to claim 5 is characterized in that, the FP that described base station is supported comprise following one of at least:
The upstream frequency subregion disturbs relative noise power to promote the FP set that the rank controlling elements are not INF1, and wherein said INF1 represents that corresponding FP cannot use;
Noise and interference value rank are not the FP set of INF2, and wherein said INF2 represents that corresponding FP cannot use.
7. method according to claim 4 is characterized in that, generates in described terminal under the situation of a uplink transmit power spectrum density information, determines a described pairing FP of uplink transmit power spectrum density information according to described sector of base station index information.
8. method according to claim 7 is characterized in that, determines that according to described sector of base station index information a described pairing FP of uplink transmit power spectrum density information comprises:
The call number i=SegmentID+1 of a described pairing FP of uplink transmit power spectrum density information,
Wherein, SegmentID is described sector of base station index information.
9. according to each described method in the claim 1 to 8, it is characterized in that, described descending propagation loss value comprise following one of at least:
Downlink path loss value between described terminal and the described base station, the transmitter antenna gain (dBi) of described terminal.
10. according to each described method in the claim 1 to 8, it is characterized in that, described terminal by up channel before described base station sends described uplink transmit power spectrum density information, also comprise:
Described terminal is carried out uniform quantization to described uplink transmit power spectrum density information.
11. according to each described method in the claim 1 to 8, it is characterized in that, also comprise:
Each when being described terminal distribution FP resource, described base station is according to the uplink transmission power of the described described terminal of uplink transmit power spectrum density information calculations on FP to be allocated.
12. according to each described method in the claim 1 to 8, it is characterized in that, described up channel comprise following one of at least:
Ascending power status report messages, downstream feedback channel massage, uplink data channels message.
13. the processing method of a power state information is characterized in that, may further comprise the steps:
The base station receiving terminal is by the described terminal of up channel transmission and the descending propagation loss value between the described base station.
14. method according to claim 13 is characterized in that, described base station also comprises after receiving described descending propagation loss value:
Generate uplink transmit power spectrum density information
Figure FSA00000086687900041
Wherein, L is described descending propagation loss value,
Figure FSA00000086687900042
Be the uplink interference on all available FP of described base station and the mean value of noise level.
15. method according to claim 13 is characterized in that, described base station also comprises after receiving described descending propagation loss value:
Generate one or more uplink transmit power spectrum density information ULTxPSD (i)=L+NI (i), wherein, L is described descending propagation loss value, and NI (i) is that call number is the uplink interference and the noise level of the FP correspondence of i, 0≤i≤N-1 and i are integer, and the number of the FP that all are available is N.
16. according to each described method in the claim 13 to 15, it is characterized in that, described descending propagation loss value comprise following one of at least:
Downlink path loss value between described terminal and the described base station, the transmitter antenna gain (dBi) of described terminal.
17., it is characterized in that the span of described descending propagation loss value is [52.5dB, 180dB] according to each described method in the claim 13 to 15.
18., it is characterized in that described terminal quantizes described descending propagation loss value information according to each described method in the claim 13 to 15.
19. method according to claim 18 is characterized in that, described terminal is carried out uniform quantization to described descending propagation loss value information,
It is one of following that the quantization level that described uniform quantization is adopted comprises:
256 grades of quantifications of 8 bits, 128 grades of quantifications of 7 bits, 64 grades of quantifications of 6 bits.
20. according to each described method in the claim 13 to 15, it is characterized in that, also comprise:
Each when being described terminal distribution FP resource, described base station is according to the uplink transmission power of the described described terminal of uplink transmit power spectrum density information calculations on FP to be allocated.
21. a terminal is characterized in that, comprising:
Sending module is used for sending uplink transmit power spectrum density information by up channel to the base station.
22. a base station is characterized in that, comprising:
Receiver module is used for receiving terminal by the described terminal of up channel transmission and the descending propagation loss value between the described base station.
23. base station according to claim 22 is characterized in that, also comprises:
First computing module is used to generate described uplink transmit power spectrum density information
Figure FSA00000086687900051
Wherein, L is described descending propagation loss value, Be the uplink interference on all available FP of described base station and the mean value of noise level.
CN2010101605681A 2010-03-05 2010-04-30 Power status reporting information processing method, terminal and base station Pending CN102196537A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1941689A (en) * 2005-09-29 2007-04-04 上海原动力通信科技有限公司 Method for dispatching sub-frequency band of time-division duplex OFDM system
WO2008112580A2 (en) * 2007-03-09 2008-09-18 Qualcomm Incorporated Power control messaging scheme
CN101340711A (en) * 2007-07-06 2009-01-07 中兴通讯股份有限公司 Scheduling information uploading method for multi-carrier reinforced uplink access system
CN101340413A (en) * 2007-07-05 2009-01-07 中兴通讯股份有限公司 Method for solving uncontrollability of OFDMA system terminal power spectral density

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8098667B2 (en) * 2005-06-16 2012-01-17 Qualcomm Incorporated Methods and apparatus for efficient providing of scheduling information
JP5247034B2 (en) * 2007-01-09 2013-07-24 株式会社エヌ・ティ・ティ・ドコモ Base station apparatus, user apparatus and transmission power determination method used in mobile communication system
US8718694B2 (en) * 2007-12-07 2014-05-06 Interdigital Patent Holdings, Inc. Method and apparatus of signaling and procedure to support uplink power level determination

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1941689A (en) * 2005-09-29 2007-04-04 上海原动力通信科技有限公司 Method for dispatching sub-frequency band of time-division duplex OFDM system
WO2008112580A2 (en) * 2007-03-09 2008-09-18 Qualcomm Incorporated Power control messaging scheme
CN101340413A (en) * 2007-07-05 2009-01-07 中兴通讯股份有限公司 Method for solving uncontrollability of OFDMA system terminal power spectral density
CN101340711A (en) * 2007-07-06 2009-01-07 中兴通讯股份有限公司 Scheduling information uploading method for multi-carrier reinforced uplink access system

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