WO2014056149A1 - 干扰协调的方法及装置 - Google Patents
干扰协调的方法及装置 Download PDFInfo
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- WO2014056149A1 WO2014056149A1 PCT/CN2012/082646 CN2012082646W WO2014056149A1 WO 2014056149 A1 WO2014056149 A1 WO 2014056149A1 CN 2012082646 W CN2012082646 W CN 2012082646W WO 2014056149 A1 WO2014056149 A1 WO 2014056149A1
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- control channel
- indication information
- enhanced control
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- 230000005540 biological transmission Effects 0.000 claims abstract description 104
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- 238000004364 calculation method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 108091028733 RNTP Proteins 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000013468 resource allocation Methods 0.000 description 2
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for interference coordination. Background technique
- the heterogeneous network defined in the 3GPP LTE-A standard refers to a network composed of cells using different powers, including macro base station macro eNB, Pico micro cell, and the like.
- the terminal user needs to correctly demodulate the scheduling information from the cell.
- the scheduling information is carried in the control channel of the cell, that is, the user needs to correctly demodulate the control channel from the cell first.
- the interference scenario in a heterogeneous network is complicated due to the introduction of a low-power cell.
- the transmit power of the macro base station Macro eNB is 46 dBm
- the transmit power of the Pico cell is only 30 dBm.
- the transmission power of the Pico cell is quite different, and the UE served by the Pico cell is interfered by the macro base station, especially in order to expand the service range of the P i co cell, and the user of the Pico cell service is used when the Range Expansion is used as the cell selection criterion.
- the device will be more interfered by the macro base station.
- the interference signal from the macro base station is even larger than the useful signal strength from the Pico cell.
- Control channel interference between each other where the enhanced control channel may include an E-PDCCH (enchanted physical downlink control channel) and/or an E-PHICH (Enhanced-Physical Hybrid ARQ Indicator Channel) Indicate the channel) to ensure that the user equipment served by the interfered cell can reliably receive the enhanced control channel.
- E-PDCCH encodechanted physical downlink control channel
- E-PHICH Enhanced-Physical Hybrid ARQ Indicator Channel
- Embodiments of the present invention provide a method and apparatus for interference coordination, which can solve cell enhancement
- the problem that the control channel is interfered by neighboring cells ensures the performance of the enhanced control channel of each cell.
- a method of interference coordination including:
- the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information, where the first scheduling indication information is used to identify that the cell is interfered And enhancing the PRB corresponding to the control channel; the second scheduling indication information is used to indicate the transmission power information corresponding to each of the PRBs of the cell;
- the enhanced control channel scheduling indication information is sent to the neighboring cell, so that the neighboring cell determines, according to the enhanced control channel scheduling indication information, the PRB that needs to adjust the scheduling mode in the neighboring cell.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PH I CH.
- a method of interference coordination including:
- the enhanced control channel scheduling indication information includes the first scheduling indication information and/or the second scheduling indication information, where the first scheduling indication information is used to identify the a PRB corresponding to the interfered enhanced control channel in the neighboring cell; the second scheduling indication information is used to indicate the transmission power information corresponding to each of the PRBs of the neighboring cell;
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PH I CH.
- a device for interference coordination comprising:
- a generating unit configured to generate enhanced control channel scheduling indication information, where the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information, where the first scheduling indication information is used to identify the Corresponding to the enhanced control channel interfered in the cell
- the second scheduling indication information is used to indicate transmission power information corresponding to each of the PRBs of the cell;
- a sending unit configured to send the enhanced control channel scheduling indication information generated by the generating unit to a neighboring cell, so that the neighboring cell determines, according to the enhanced control channel scheduling indication information, that the neighboring cell needs to be adjusted The way PRB.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PH I CH.
- a device for interference coordination comprising:
- a receiving unit configured to receive enhanced control channel scheduling indication information sent by a neighboring cell, where the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information, where the scheduling indication information is used Identifying a PRB corresponding to the interfered enhanced control channel in the neighboring cell; the second scheduling indication information is used to indicate respective transmission power information of the PRBs of the neighboring cells;
- a determining unit configured to determine, according to the enhanced control channel scheduling indication information, a PRB that needs to adjust a scheduling manner in the neighboring cell from a PRB of the cell.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PH I CH.
- the enhanced control channel scheduling indication information is sent to the neighboring cell by the cell, and the neighboring cell receives the enhanced control channel scheduling indication information, according to the enhanced control channel scheduling indication.
- the information adjusts the scheduling of its own PRB, thereby avoiding the situation that the enhanced control channel is strongly interfered by the neighboring cell, solving the interference problem of the enhanced control channel between the cells, and ensuring the performance of the enhanced control channel of the interfered cell.
- Embodiment 2 is a flowchart of another method for interference coordination in Embodiment 1 of the present invention.
- Embodiment 3 is a flowchart of a method for interference coordination in Embodiment 2 of the present invention.
- FIG. 5 is a structural block diagram of an apparatus for interference coordination according to Embodiment 4 of the present invention
- FIG. 6 is a block diagram of another apparatus for interference coordination according to Embodiment 4 of the present invention
- FIG. 7 is a block diagram of another apparatus for interference coordination in Embodiment 4 of the present invention.
- FIG. 8 is a block diagram of another apparatus for interference coordination in Embodiment 4 of the present invention.
- Embodiment 9 is a block diagram of another apparatus for interference coordination in Embodiment 4 of the present invention.
- FIG. 10 is a block diagram showing the composition of another apparatus for interference coordination according to Embodiment 4 of the present invention
- FIG. 1 is a block diagram of another apparatus for interference coordination according to Embodiment 4 of the present invention
- FIG. 13 is a block diagram showing the composition of another device for interference coordination in Embodiment 5 of the present invention.
- An embodiment of the present invention provides a method for interference coordination. As shown in FIG. 1 , the method includes: 1 01. Generate enhanced control channel scheduling indication information.
- the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information.
- the first scheduling indication information is used to identify a PRB corresponding to the interfered enhanced control channel in the cell
- the second scheduling indication information is used to indicate the corresponding transmission power information of the PRBs of the cell.
- the minimum unit of the LTE radio resource allocation is a physical resource block (PRB), and one PRB includes 12 subcarriers in the frequency domain.
- the first scheduling indication information may specifically include the identifier information of the PRB corresponding to the interfered enhanced control channel in the cell, for example, the block number of the PRB and the like having the identification function; further, to facilitate the neighboring cell to itself
- the first scheduling indication information may further include a scheduling manner of each PRB, for example, a transmission power of the PRB, a transmission direction of an enhanced control channel for scheduling the PRB, and the like.
- the PRB corresponding to the interfered enhanced control channel is referred to as the PRB corresponding to the enhanced control channel that the cell currently has been interfered by the neighboring cell, and after referring to the current cell status after a certain time.
- the PRB corresponding to the enhanced control channel that will be interfered by the neighboring cell is referred to as the PRB corresponding to the enhanced control channel that the cell currently has been interfered by the neighboring cell, and after referring to the current cell status after a certain time.
- the second scheduling indication information may include a relative narrowband transmission power value and a relative narrowband transmission power threshold corresponding to the PRBs of the cells.
- the enhanced control channel includes an E-PDCCH (enchanted physical downlink control channel) and/or an E-PHICH (Enhanced Physical Hybrid ARQ Indicator Channel).
- E-PDCCH enhanced physical downlink control channel
- E-PHICH Enhanced Physical Hybrid ARQ Indicator Channel
- the enhanced control channel scheduling indication information is sent to the neighboring cell, so that the neighboring cell determines, according to the enhanced control channel scheduling indication information, the PRB in the neighboring cell that needs to adjust the scheduling mode.
- the sending the enhanced control channel scheduling indication information to the neighboring cell may be implemented by the following two methods, including:
- the first method directly transmitting the enhanced control channel scheduling indication information to an adjacent cell.
- the second method sending the enhanced control channel scheduling indication information to the 0AM (Operation Administration and Maintenance), so that the 0AM, when receiving the enhanced control channel scheduling indication information, Enhancement The control channel scheduling indication information is forwarded to the neighboring cell.
- 0AM Operaation Administration and Maintenance
- the transmitting the enhanced control channel scheduling indication information to the neighboring cell may use the type of information such as load indication information between the base stations for transmission.
- the interaction between the cell and the 0AM can use 0AM to transmit a message such as a configuration message of the base station.
- the embodiment of the invention further provides a method for interference coordination. As shown in FIG. 2, the method includes:
- the 201 Receive enhanced control channel scheduling indication information sent by a neighboring cell, where the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information.
- the first scheduling indication information is used to identify a PRB corresponding to the interfered enhanced control channel in the neighboring cell
- the second scheduling indication information is used to indicate a corresponding transmit power of the PRBs of the neighboring cells. information.
- the detailed description is the same as the related description in the step 102 described above.
- the enhanced control channel includes: an E-PDCCH (enchanted physical downlink control channel) and/or an E-PHICH (Enhanced-Physical Hybrid ARQ Indicator Channel).
- E-PDCCH encodechanted physical downlink control channel
- E-PHICH Enhanced-Physical Hybrid ARQ Indicator Channel
- the received enhanced control channel scheduling indication information sent by the neighboring cell may be directly sent by the neighboring cell, or may be sent by the neighboring cell to the 0AM and then forwarded.
- the method for the interference coordination provided by the embodiment of the present invention sends the enhanced control channel scheduling indication information to the neighboring cell by using the cell, and after receiving the enhanced control channel scheduling indication information, the neighboring cell adjusts according to the enhanced control channel scheduling indication information.
- the scheduling of the own PRB avoids the situation that the enhanced control channel is strongly interfered by the neighboring cell, solves the problem that the cell enhanced control channel is interfered by the neighboring cell, and ensures the performance of the enhanced control channel of each cell.
- the embodiment of the present invention provides a method for interference coordination, which can be applied to a heterogeneous network defined by 3GPP LTE-A.
- the heterogeneous network belongs to different base stations, but is spatially adjacent.
- the cells A and B are used as an example to specifically describe a process for interference coordination, as shown in FIG. 3, which specifically includes:
- the cell A generates first scheduling indication information.
- the first scheduling indication information is used to identify a PRB corresponding to the interfered enhanced control channel in the cell A.
- the implementation of generating the first scheduling indication information may be implemented by using the following method:
- Detecting whether there is interference on the enhanced control channel currently scheduled for the user equipment if it is detected that there is interference in the enhanced control channel currently scheduled for the user equipment, determining, from the PRB of the cell, corresponding to the enhanced control channel where the interference is detected PRB; generating first scheduling indication information according to the determined PRB corresponding to the enhanced control channel in which the interference is detected.
- the method for detecting whether there is interference in the enhanced control channel can be implemented by using a power comparison method and a high success rate of the detection information, which is not limited by the embodiment of the present invention.
- the enhanced control channel currently scheduled for the user equipment when detecting whether the enhanced control channel currently scheduled for the user equipment has interference, if it is detected that the enhanced control channel currently scheduled for the user equipment has been interfered by the neighboring cell, it is determined that there is interference and If it is detected that some PRBs will be used to enhance the scheduling of the control channel after a certain time and the PRBs are interfered by the neighboring cells according to the current cell signal condition, it is also considered to have interference.
- the method for generating the first scheduling indication information according to the determined PRB corresponding to the enhanced control channel where the interference is detected may be: passing the identifier information of the PRB corresponding to the enhanced control channel with interference through a bit bitmap or The method of joint coding is processed to generate first scheduling indication information.
- the cell A if there is a PRB corresponding to the interfered E-PDCCH and a PRB corresponding to the interfered E-PH I CH, the cell A needs to be based on the interfered E-PDCCH.
- the PRBs corresponding to the interfered E-PH I CHs respectively generate first scheduling indication information, and are respectively sent to neighboring cells. Or, the same first scheduling indication information is jointly generated according to the PRBs corresponding to the two different enhanced control channels, and the other additional indication information is used to distinguish the interfered E-PH I in the same first scheduling indication information.
- the cell A sends the first scheduling indication information to the cell B.
- the cell B receives the first scheduling indication information sent by the cell A.
- the cell B determines, according to the first scheduling indication information, the PRB in the cell B that needs to adjust the scheduling mode from the PRB of the cell B.
- the determining, according to the first scheduling indication information, that the PRB in the cell B needs to be adjusted in the scheduling mode can be implemented by the following methods, including:
- the PRB corresponding to the interfered enhanced control channel in the cell A uses the PRB of the same scheduling resource as the PRB in which the cell B needs to adjust the scheduling mode.
- the number of PRBs of the cell A and the cell B are the same. And determining, in the process of determining the PRB corresponding to the enhanced control channel of the cell B, that the PRB corresponding to the interfered enhanced control channel in the cell A is determined to be the PRB corresponding to the enhanced control channel of the cell B, The PRB of the same block number of the PRB corresponding to the interfered enhanced control channel in the cell A is the PRB corresponding to the enhanced control channel of the cell B.
- the cell B needs to obtain the resource allocation information of the PRB of the cell A, to determine that the PRB corresponding to the interfered enhanced control channel in the cell A uses the PRB of the same scheduling resource. Instructions.
- the cell B determines, according to the first scheduling indication information, a scheduling manner of the PRB corresponding to the enhanced control channel of the cell B.
- the scheduling mode may be, but is not limited to, including the cell B using a lower power transmission PRB, A method of transmitting a PRB using a zero-power transmission PRB or a spatial resource orthogonal to the transmission direction of the enhanced control channel of the cell A is used.
- the embodiment of the present invention is only illustrated by two cells in the heterogeneous network defined by the 3GPP LTE-A, and the technical method provided by the present invention is not limited to be used in the network scenario.
- the method for the interference coordination provided by the embodiment of the present invention sends the enhanced control channel scheduling indication information to the neighboring cell by using the cell, and after receiving the enhanced control channel scheduling indication information, the neighboring cell adjusts according to the enhanced control channel scheduling indication information.
- the scheduling of its own PRB avoids the situation that the enhanced control channel is strongly interfered by neighboring cells, and ensures the performance of the enhanced control channel of each cell.
- the embodiment of the present invention provides a method for interference coordination, which can be applied to a heterogeneous network defined by 3GPP LTE-A.
- the heterogeneous network belongs to different base stations, but is spatially adjacent.
- the cells A and B are used as an example to specifically describe a process for interference coordination, as shown in FIG. 4, which specifically includes:
- the cell A generates second scheduling indication information.
- the second scheduling indication information is used to indicate the transmission power information corresponding to the PRBs of the neighboring cells, and may specifically include a relative narrowband transmission power value corresponding to each of the PRBs of the cell A and at least one relatively narrowband transmission power. Threshold.
- the implementation of the enhanced control channel scheduling indication information according to the obtained PRB of the cell A may be implemented by the following methods, specifically:
- the predetermined policy may include a value range of a threshold value of a relatively narrowband transmission power. For example, if the distance between the cell A and the cell B is relatively long, a relatively large threshold can be set. If the distance between the cell A and the cell B is relatively close, the device can be set.
- the embodiment of the present invention does not limit the threshold value.
- the relative narrowband transmission power values corresponding to the PRBs can be generated in the manner defined in Table 1.
- RNTP_2 is the relative narrowband transmission power value of PRB, and different PRBs are to determine the RNTP-2 values of each white.
- Tx is the ratio of the EPRE (energy per resouse element) on a PRB to the EPRE corresponding to the maximum transmit power of the eNB, and the calculation method follows the following formula (1;).
- the number of subcarriers within the A 'A a PRB, ⁇ / width subcarriers, ⁇ dish is the maximum output power of the base station.
- a plurality of relatively narrow-band transmission power thresholds are set, in the embodiment, four threshold values are taken as an example, and the corresponding narrow-bands corresponding to each PRB are respectively generated according to the set four threshold values.
- the transmission power value can be generated in the manner defined in Table 2. Table 2 RNTP _ definition
- Tx is the same as the description in Table 1, earning - earning - 4 set thresholds, full RNTP thresh RNTP thre 2 > RNTP threshold 3 > RNTP - 4
- the definition can be adapted to the formats in Tables 1 and 2.
- the second scheduling indication information may be transmitted in the format of the load information I E.
- the specific representation method is shown in Table 3 and Table 4.
- Table 3 shows the format of the second scheduling indication information obtained when the cell A sets only one threshold value
- Table 4 shows the format of the second scheduling indication information obtained when the cell A sets four threshold values. .
- Tables 3 and 4 are only an example. For the case of more thresholds, the contents of the table can be adaptively modified and added. Information element types and references may also be in the form of bit bitmaps or joint encodings or other forms.
- the cell A sends the second scheduling indication information to the cell B.
- the cell B receives the second scheduling indication information sent by the neighboring cell.
- the cell B determines, according to the second scheduling indication information, the PRB in the cell B that needs to adjust the scheduling mode from the PRB of the cell B.
- the determining, according to the second scheduling indication information, that the PRB that needs to be adjusted in the scheduling mode in the cell B can be implemented by the following methods, including:
- the determining the relative narrowband transmission power threshold value in the implementation process of the at least one relatively narrowband transmission power threshold value determined according to the second scheduling indication information depends on the second scheduling indication information carrying The number of relatively narrowband transmission power thresholds. For example, if the second scheduling indication information carries a relative narrowband transmission power threshold, the cell B must determine a relative narrowband transmission power threshold from the second scheduling indication information; if the second scheduling indication The information carries four relatively narrow-band transmission power thresholds, and the cell B must determine four relatively narrow-band transmission power thresholds from the second scheduling indication information.
- the pre-set anti-interference information may include a power threshold set by the cell B for the enhanced control channel carrying different control information, a power threshold set by the cell B for the enhanced control channel of the user covering different areas, and the like.
- the anti-interference information is specifically used to provide a selection rule for the cell B to select a corresponding PRB for the enhanced control channel. For example, under the selection rule provided by the anti-interference information, there are two thresholds, and the cell B can allocate the PRB whose transmission power value exceeds a smaller power threshold but does not exceed a larger power threshold. An enhanced control channel with lower performance requirements allocates a PRB whose transmission power value does not exceed a smaller power threshold to an enhanced control channel with higher performance requirements.
- the cell B may transmit the power value exceeding a smaller power threshold but does not exceed a larger power threshold.
- the PRB is allocated to the E-PDCCH, and the PRB whose transmission power value does not exceed the smaller power threshold is allocated to the E-PH I CH.
- this is only an example in this embodiment, and the specific allocation method may be Set according to actual needs.
- the cell B adjusts a scheduling manner of the PRB in the cell B according to the second scheduling indication information.
- the adjustment scheduling mode includes adjusting which enhanced control channels are allocated to the PRB, adjusting the PRB transmission power for transmission, and the like.
- the enhanced control channel scheduling indication information is the first scheduling indication information and the enhanced control channel scheduling indication information is the second scheduling indication information, respectively.
- the execution flow may be implemented in combination with steps 301 to 307, step 401, and step 407.
- the units of the enhanced control channel scheduling indication information described in the foregoing embodiments are all PRBs, but the corresponding scheme flow may also be applied to other scheduling unit granularities, for example, defining a fixed number of consecutive PRBs as The PRB group, the corresponding program flow and the consistent process described in the present invention.
- the method for the interference coordination provided by the embodiment of the present invention sends the enhanced control channel scheduling indication information to the neighboring cell by using the cell, and after receiving the enhanced control channel scheduling indication information, the neighboring cell adjusts according to the enhanced control channel scheduling indication information.
- the scheduling of its own PRB avoids the situation that the enhanced control channel is strongly interfered by neighboring cells, and ensures the performance of the enhanced control channel of each cell.
- An embodiment of the present invention provides a device for interference coordination. As shown in FIG. 5, the device includes: The generating unit 51 and the transmitting unit 51.
- the generating unit 51 is configured to generate enhanced control channel scheduling indication information, where the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information, where the first scheduling indication information is used to identify The PRB corresponding to the interfered enhanced control channel in the cell; the second scheduling indication information is used to indicate the transmission power information corresponding to each of the PRBs of the cell.
- the sending unit 51 is configured to send, by the generating unit 51, the enhanced control channel scheduling indication information to the neighboring cell, so that the neighboring cell determines, according to the enhanced control channel scheduling indication information, that the scheduling mode needs to be adjusted in the neighboring cell. PRB.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PHICH.
- the generating unit 51 includes: a detecting module 511, a determining module 512, and a first generating module 513.
- the detecting module 511 is configured to detect, when the enhanced control channel scheduling indication information is the first scheduling indication information, whether the enhanced control channel currently scheduled for the user equipment has interference.
- the determining module 512 is configured to detect, by the detecting module 511, that there is interference in the enhanced control channel currently scheduled to the user equipment, and determine, from the PRB of the cell, a PRB corresponding to the enhanced control channel in which the interference is detected.
- the first generating module 513 is configured to generate first scheduling indication information according to the PRB that is determined by the determining module 512 and that is corresponding to the enhanced control channel that detects the presence of interference.
- the generating unit 51 includes: a setting module 514, a second generating module 515, and a third generating module 516.
- the setting module 514 is configured to set at least one relatively narrowband transmission power threshold according to a predetermined policy when the enhanced control channel scheduling indication information is the second scheduling indication information.
- the second generating module 515 is configured to separately generate a relative narrowband transmission power value corresponding to each P R B according to the at least one relatively narrowband transmission power threshold value.
- a third generation module 516 configured to: according to a relative narrowband transmission power value corresponding to each PRB, And generating, by the at least one relatively narrowband transmission power threshold, second scheduling indication information.
- the sending unit 51 is specifically configured to directly send the enhanced control channel scheduling indication information to a neighboring cell; and/or send the enhanced control channel scheduling indication information to 0AM, so that the When receiving the enhanced control channel scheduling indication information, the 0AM forwards the enhanced control channel scheduling indication information to the neighboring cell.
- the apparatus includes: a receiving unit 61 and a determining unit 62.
- the receiving unit 61 is configured to receive the enhanced control channel scheduling indication information that is sent by the neighboring cell, where the enhanced control channel scheduling indication information includes the first scheduling indication information and/or the second scheduling indication information, where the scheduling indication information is used by The PRB corresponding to the enhanced control channel that is interfered in the neighboring cell; the second scheduling indication information is used to indicate the transmission power information corresponding to each of the PRBs of the neighboring cell.
- the determining unit 62 is configured to determine, according to the enhanced control channel scheduling indication information, a PRB that needs to adjust a scheduling manner in the neighboring cell from a PRB of the cell.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PH I CH.
- the determining unit 62 includes: a first determining module 621 and a second determining module 622.
- the first determining module 621 is configured to: when the enhanced control channel scheduling indication information is the first scheduling indication information, determine, according to the first scheduling indication information, a PRB corresponding to the interfered enhanced control channel in the neighboring cell .
- a second determining module 622 configured to determine, from a PRB of the cell, a PRB that uses the same scheduling resource as a PRB corresponding to the interfered enhanced control channel in the neighboring cell, and that is determined by the enhanced control channel of the cell. PRB.
- the determining unit 62 includes: a third determining module 623, a calculating module 624, and a fourth determining module 625.
- a third determining module 623 configured to use the enhanced control channel scheduling indication information as a second tone And determining, according to the second scheduling indication information, a relative narrowband transmission power value corresponding to each PRB of the neighboring cell and at least one relative narrowband transmission power threshold value of the neighboring cell.
- the calculation module 624 is configured to calculate, according to a relative narrowband transmission power value corresponding to the PRBs of the neighboring cells, and at least one relative narrowband transmission power threshold value of the neighboring cell, to obtain respective PRBs of the neighboring cells. Corresponding transmission power value.
- the fourth determining module 62 5 is configured to determine, according to the preset anti-interference information and the corresponding transmission power value of the PRB of the neighboring cell, a PRB corresponding to the enhanced control channel of the cell, and enhance the cell
- the PRB corresponding to the control channel is determined to be a PRB in the cell that needs to adjust the scheduling mode.
- the device further includes: an adjusting unit 63.
- the adjusting unit 6 3 is configured to adjust a scheduling manner of the PRB in the small area according to the enhanced control channel scheduling indication information.
- the device for the interference coordination sends the enhanced control channel scheduling indication information to the neighboring cell by using the cell, and after receiving the enhanced control channel scheduling indication information, the neighboring cell adjusts according to the enhanced control channel scheduling indication information.
- the scheduling of the own PRB enables neighboring cells to mutually consider each PRB information to determine the PRB corresponding to its own enhanced control channel, thereby avoiding the situation where the enhanced control channel is strongly interfered by the neighboring cell, and avoiding enhancement.
- the control channel is strongly interfered by neighboring cells, which ensures the performance of the enhanced control channel of each cell.
- An embodiment of the present invention provides an apparatus for interference coordination. As shown in FIG. 12, the apparatus includes: a processor 71 and a memory 72.
- the processor 7 1 is configured to generate enhanced physical downlink control channel enhanced control channel scheduling indication information, where the enhanced control channel scheduling indication information includes first scheduling indication information and/or second scheduling indication information, where a scheduling indication information is used to identify a PRB corresponding to the interfered enhanced control channel in the cell; the second scheduling indication information is used to indicate the small Each of the PRBs of the area is corresponding to the transmission power information, and the enhanced control channel scheduling indication information is sent to the neighboring cell, so that the neighboring cell determines, according to the enhanced control channel scheduling indication information, that the scheduling mode needs to be adjusted in the neighboring cell. PRB.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PHICH.
- the memory 72 is configured to store enhanced control channel scheduling indication information.
- the processor 71 is configured to: when the enhanced control channel scheduling indication information is the first scheduling indication information, detect whether the enhanced control channel currently scheduled to the user equipment has interference; if the current scheduling is added to the user equipment, the enhancement is detected. If there is interference in the control channel, the PRB corresponding to the enhanced control channel where the interference is detected is determined from the PRB of the cell; and the first scheduling indication information is generated according to the determined PRB corresponding to the enhanced control channel where the interference is detected. .
- the processor 71 is further configured to: when the enhanced control channel scheduling indication information is the second scheduling indication information, set at least one relatively narrowband transmission power threshold according to a predetermined policy; according to the at least one relatively narrowband transmission a power threshold value, respectively generating a corresponding narrowband transmission power value corresponding to each PRB; generating second scheduling indication information according to a relative narrowband transmission power value corresponding to each PRB and the at least one relatively narrowband transmission power threshold.
- the memory 72 is further configured to store at least one relatively narrowband transmission power threshold value and a corresponding narrowband transmission power value corresponding to each PRB.
- the processor 71 is further configured to directly send the enhanced control channel scheduling indication information to a neighboring cell; and/or send the enhanced control channel scheduling indication information to the 0AM, so that the 0AM is receiving And when the enhanced control channel scheduling indication information is sent, the enhanced control channel scheduling indication information is forwarded to a neighboring cell.
- An embodiment of the present invention provides an apparatus for interference coordination. As shown in FIG. 13, the apparatus includes: a processor 73 and a memory 74.
- the processor 73 is configured to receive enhanced control channel scheduling indication information sent by a neighboring cell, where the enhanced control channel scheduling indication information includes first scheduling indication information and/or second tone
- the indication information is used to identify the PRB corresponding to the interfered enhanced control channel in the neighboring cell; the second scheduling indication information is used to indicate that the PRBs of the neighboring cells respectively correspond to And transmitting the power information; determining, according to the enhanced control channel scheduling indication information, a PRB that needs to adjust a scheduling manner in the neighboring cell.
- the enhanced control channel includes an enhanced physical downlink control channel enhanced control channel and/or an enhanced physical hybrid ARQ indicator channel E-PH I CH.
- the memory 74 is configured to store enhanced control channel scheduling indication information.
- the processor 73 is configured to: when the enhanced control channel scheduling indication information is the first scheduling indication information, determine, according to the first scheduling indication information, that the enhanced control channel is interfered in the neighboring cell. From the PRB of the cell, the PRB corresponding to the interfered enhanced control channel in the neighboring cell uses the PRB of the same scheduling resource as the PRB corresponding to the enhanced control channel of the cell.
- the memory 74 is configured to store a PRB corresponding to the interfered enhanced control channel in the neighboring cell.
- the processor 73 is specifically configured to: when the enhanced control channel scheduling indication information is the second scheduling indication information, determine, according to the second scheduling indication information, a relative narrowband transmission corresponding to the PRBs of the neighboring cells a power value and at least one relatively narrowband transmission power threshold; calculating, according to a corresponding narrowband transmission power value of the PRB of the neighboring cell and the at least one relative narrowband transmission power threshold, to obtain the neighboring cell Corresponding transmission power values of the respective PRBs; determining PRBs corresponding to the enhanced control channels of the cells according to the preset anti-interference information and the respective transmission power values of the PRBs of the neighboring cells, and enhancing the cells
- the PRB corresponding to the control channel is determined to be a PRB in the cell that needs to adjust the scheduling mode.
- the memory 74 is configured to store a relative narrowband transmission power value corresponding to each PRB of the neighboring cell, and at least one relative narrowband transmission power threshold value and a corresponding transmission power value of the PRB of the neighboring cell.
- the processor 73 is further configured to adjust according to the enhanced control channel scheduling indication information.
- the processor 73 is further configured to directly send the enhanced control channel scheduling indication information to a neighboring cell; and/or send the enhanced control channel scheduling indication information to the 0AM, so that the 0AM is in the And when the enhanced control channel scheduling indication information is received, forwarding the enhanced control channel scheduling indication information to a neighboring cell.
- the device for the interference coordination sends the enhanced control channel scheduling indication information to the neighboring cell by using the cell, and after receiving the enhanced control channel scheduling indication information, the neighboring cell adjusts according to the enhanced control channel scheduling indication information.
- the scheduling of the own PRB enables neighboring cells to mutually consider each PRB information to determine the PRB corresponding to its own enhanced control channel, thereby avoiding the situation where the enhanced control channel is strongly interfered by the neighboring cell, and avoiding enhancement.
- the control channel is strongly interfered by neighboring cells, which ensures the performance of the enhanced control channel of each cell.
- the present invention can be implemented by means of software plus necessary general hardware, and of course, by hardware, but in many cases, the former is a better implementation. .
- the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
- a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
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Abstract
本发明公开了一种干扰协调的方法及装置,涉及通信技术领域,能够解决小区之间增强控制信道的干扰问题,保证了各个小区的增强控制信道的性能。本发明包括:生成增强控制信道调度指示信息,所述增强控制信道调度指示信息包括第一调度指示信息和/或第二调度指示信息;其中,所述第一调度指示信息用于标识所述小区中被干扰的增强控制信道对应的PRB;所述第二调度指示信息用于表示所述小区的PRB各自对应的传输功率信息;将所述增强控制信道调度指示信息发送至相邻小区,以使得相邻小区根据所述增强控制信道调度指示信息确定所述相邻小区内需要调整调度方式的PRB。本发明实施例应用于相邻小区间干扰协调的流程中。
Description
干扰协调的方法及装置 技术领域
本发明涉及通信技术领域, 尤其涉及一种干扰协调的方法及装置。 背景技术
在 3GPP LTE-A标准中定义的异构网络是指由使用不同的功率的小区 构成的网络, 这些小区包括宏基站 macro eNB, Pico微小区等。
在此网络架构中,需要终端用户可以正确地解调来自于小区的调度信 息, 通常这些调度信息都承载在小区的控制信道中, 也就是说用户需要先 正确地解调来自小区的控制信道, 才能保证与小区之间的数据通信。 在异 构网络中,由于低功率小区的引入,导致异构网络中的干扰场景比较复杂, 例如, 宏基站 Macro eNB的发送功率为 46dBm, 而 Pico小区的发送功率 只有 30dBm, 显然, 由于宏基站与 Pico 小区的发送功率相差较大, Pico 小区服务的 UE会受到宏基站的干扰,特别是为了扩大 P i co小区的服务范 围, 采用范围扩大 Range Expansion作为小区选择准则时, Pico 小区服 务的用户设备会受到宏基站更强的干扰。此时来自宏基站的干扰信号甚至 比来自 Pico小区的有用信号强度还要大。
因此, 为了保证异构网络下的用户设备可以正常工作, 需要考虑如何 规避不同功率小区的 PDSCH ( physical downlink shared channel , 物理 下行共享信道)与增强控制信道之间的干扰, 以及增强控制信道与增强控 制信道互相之间的干扰, 这里的增强控制信道可以包括 E-PDCCH ( enchanted physical downlink control channel , 增强物理下行控制 信道) 和 /或 E-PHICH ( Enhanced-Physical Hybrid ARQ Indicator Channel, 增强物理混合 ARQ指示信道), 以保证被干扰小区服务的用户设 备能够可靠地接收增强控制信道。
发明内容
本发明的实施例提供一种干扰协调的方法及装置,能够解决小区增强
控制信道受到相邻小区干扰的问题,保证了各个小区的增强控制信道的性 能。
为达到上述目的, 本发明的实施例采用如下技术方案:
一种干扰协调的方法, 包括:
生成增强控制信道调度指示信息,所述增强控制信道调度指示信息包 括第一调度指示信息和 /或第二调度指示信息; 其中, 所述第一调度指示 信息用于标识所述小区中被干扰的增强控制信道对应的 PRB ; 所述第二调 度指示信息用于表示所述小区的 PRB各自对应的传输功率信息;
将所述增强控制信道调度指示信息发送至相邻小区,以使得相邻小区 根据所述增强控制信道调度指示信息确定所述相邻小区内需要调整调度 方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PH I CH。
一种干扰协调的方法, 包括:
接收相邻小区发送的增强控制信道调度指示信息,所述增强控制信道 调度指示信息包括第一调度指示信息和 /或第二调度指示信息; 其中, 所 述第一调度指示信息用于标识所述相邻小区中被干扰的增强控制信道对 应的 PRB ; 所述第二调度指示信息用于表示所述相邻小区的 PRB各自对应 的传输功率信息;
根据所述增强控制信道调度指示信息确定所述相邻小区内需要调整 调度方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PH I CH。
一种干扰协调的装置, 包括:
生成单元, 用于生成增强控制信道调度指示信息, 所述增强控制信道 调度指示信息包括第一调度指示信息和 /或第二调度指示信息; 其中, 所 述第一调度指示信息用于标识所述小区中被干扰的增强控制信道对应的
PRB ; 所述第二调度指示信息用于表示所述小区的 PRB各自对应的传输功 率信息;
发送单元,用于将所述生成单元生成的所述增强控制信道调度指示信 息发送至相邻小区,以使得相邻小区根据所述增强控制信道调度指示信息 确定所述相邻小区内需要调整调度方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PH I CH。
一种干扰协调的装置, 包括:
接收单元, 用于接收相邻小区发送的增强控制信道调度指示信息, 所 述增强控制信道调度指示信息包括第一调度指示信息和 /或第二调度指示 信息; 其中, 所述调度指示信息用于标识所述相邻小区中被干扰的增强控 制信道对应的 PRB ; 所述第二调度指示信息用于表示所述相邻小区的 PRB 各自对应的传输功率信息;
确定单元, 用于根据所述增强控制信道调度指示信息, 从小区的 PRB 中确定所述相邻小区内需要调整调度方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PH I CH。
本发明实施例提供的干扰协调的方法及装置,通过小区将增强控制信 道调度指示信息发送至相邻小区,相邻小区在接收到所述增强控制信道调 度指示信息之后, 根据增强控制信道调度指示信息调整自身的 PRB 的调 度, 从而避免了增强控制信道被相邻小区强干扰的情况出现, 解决小区之 间增强控制信道的干扰问题, 保证了被干扰小区的增强控制信道的性能。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对 实施例或现有技术描述中所需要使用的附图作筒单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员 来讲, 在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附
图 1为本发明实施例 1 中的一种干扰协调的方法流程图;
图 2为本发明实施例 1 中的另一种干扰协调的方法流程图;
图 3为本发明实施例 2中的一种干扰协调的方法流程图;
图 4为本发明实施例 3中的一种干扰协调的方法流程图;
图 5为本发明实施例 4中的一种干扰协调的装置的组成框图; 图 6为本发明实施例 4中的另一种干扰协调的装置的组成;
图 7为本发明实施例 4中的另一种干扰协调的装置的组成;
图 8为本发明实施例 4中的另一种干扰协调的装置的组成;
图 9为本发明实施例 4中的另一种干扰协调的装置的组成;
图 1 0为本发明实施例 4中的另一种干扰协调的装置的组成框图; 图 1 1为本发明实施例 4中的另一种干扰协调的装置的组成框图 图 1 2为本发明实施例 5 中的一种干扰协调的装置的组成框图; 图 1 3为本发明实施例 5中的另一种干扰协调的装置的组成框图。 具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进 行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没 有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的 范围。
实施例 1
本发明实施例提供了一种干扰协调的方法,如图 1所示,该方法包括: 1 01、 生成增强控制信道调度指示信息。
其中, 所述增强控制信道调度指示信息包括第一调度指示信息和 /或 第二调度指示信息。 其中, 所述第一调度指示信息用于标识所述小区中被 干扰的增强控制信道对应的 PRB ; 所述第二调度指示信息用于表示所述小 区的 PRB各自对应的传输功率信息。
其中, LTE 无线资源分配的最小单位是一个物理资源块(PRB, physical resource b lock),一个 PRB包含 12个频域上相邻的子载波。
其中,所述第一调度指示信息可以具体包括小区中被干扰的增强控制 信道对应的 PRB的标识信息,例如, PRB的块序号等具有标识功能的信息; 进一步的, 为方便相邻小区对自身的 PRB调度方式的调整, 所述第一调度 指示信息还可以包括每个 PRB的调度方式, 例如, PRB的传输功率、 调度 此 PRB的增强控制信道的发射方向等信息。
需要说明的是, 在本实施例中, 描述的被干扰的增强控制信道对应的 PRB是指小区当前已被相邻小区干扰的增强控制信道对应的 PRB, 和参照 目前的小区状况在一定时间后,会被相邻小区干扰的增强控制信道对应的 PRB。
其中,所述第二调度指示信息可以包括所述小区的 PRB各自对应的相 对窄带传输功率值和相对窄带传输功率门限值。
其中, 所述增强控制信道包括 E-PDCCH ( enchanted physical downlink control channel , 增强物理下行控制信道) 和 /或 E-PHICH ( Enhanced-Physical Hybrid ARQ Indicator Channel , 增强物理混合 ARQ指示信道)。
102、 将所述增强控制信道调度指示信息发送至相邻小区, 以使得相 邻小区根据所述增强控制信道调度指示信息确定所述相邻小区内需要调 整调度方式的 PRB。
其中,所述将所述增强控制信道调度指示信息发送至相邻小区可以通 过以下两种方法实现, 包括:
第一种方法: 直接将所述增强控制信道调度指示信息发送至相邻小 区。
第二种方法: 将所述增强控制信道调度指示信息发送至 0AM ( Operation Administration and Maintenance, 操作、 管理和维护 ), 以使得所述 0AM在接收到所述增强控制信道调度指示信息时,将所述增强
控制信道调度指示信息转发至相邻小区。
在第一种方法中,所述将所述增强控制信道调度指示信息发送至相邻 小区可以使用基站之间的负载指示信息等类型的信息进行传输。
在第二种方法中, 通过 0AM进行转发时, 小区与 0AM之间的交互可以 使用 0AM对基站的配置消息等类型的消息进行传输。
本发明实施例还提供了一种干扰协调的方法, 如图 2所示, 该方法包 括:
201、 接收相邻小区发送的增强控制信道调度指示信息, 所述增强控 制信道调度指示信息包括第一调度指示信息和 /或第二调度指示信息。
其中,所述第一调度指示信息用于标识所述相邻小区中被干扰的增强 控制信道对应的 PRB; 所述第二调度指示信息用于表示所述相邻小区的 PRB各自对应的传输功率信息。 具体描述与所述步骤 102中的有关描述相 同。
其中, 所述增强控制信道包括: E-PDCCH ( enchanted physical downlink control channel , 增强物理下行控制信道) 和 /或 E-PHICH ( Enhanced-Physical Hybrid ARQ Indicator Channel , 增强物理混合 ARQ指示信道)。
值得说明的是,接收到的相邻小区发送的增强控制信道调度指示信息 可以是由相邻小区直接发送的, 也可以是相邻小区发送至 0AM 再由转发 的。
202、 根据所述增强控制信道调度指示信息, 确定所述相邻小区内需 要调整调度方式的 PRB。
本发明实施例提供的干扰协调的方法,通过小区将增强控制信道调度 指示信息发送至相邻小区,相邻小区在接收到所述增强控制信道调度指示 信息之后, 根据增强控制信道调度指示信息调整自身的 PRB的调度, 从而 避免了增强控制信道被相邻小区强干扰的情况出现,解决小区增强控制信 道受到相邻小区干扰的问题, 保证了各个小区的增强控制信道的性能。
实施例 2
本发明实施例提供了一种干扰协调的方法, 可以应用在 3GPP LTE-A 定义的异构网络中, 本实施例中以在此异构网络中分属于不同的基站, 但 空间上相邻的小区 A和 B为例具体描述一种干扰协调的流程,如图 3所示, 具体包括:
30 1、 小区 A生成第一调度指示信息。
其中,所述第一调度指示信息用于标识所述小区 A中被干扰的增强控 制信道对应的 PRB。
其中, 所述生成第一调度指示信息的实现可以通过以下方法实现, 具 体为:
检测当前调度给用户设备的增强控制信道是否存在干扰;若检测到当 前调度给用户设备的增强控制信道中存在干扰,则从所述小区的 PRB中确 定与检测到存在干扰的增强控制信道对应的 PRB ; 根据确定的与检测到存 在干扰的增强控制信道对应的 PRB , 生成第一调度指示信息。 其中, 检测 增强控制信道中是否存在干扰的方法可以通过功率比较、检测信息接收的 成功率高低等方法来实现, 本发明实施例对此不进行限制。
其中, 在本实施例中, 检测当前调度给用户设备的增强控制信道是否 存在干扰的时,若检测到当前调度给用户设备的增强控制信道已被相邻小 区干扰, 则认定其存在干扰、 同时, 若检测到某些 PRB上在一定时间后将 用于增强控制信道的调度且按照目前小区信号状况这些 PRB 会受到相邻 小区的干扰, 则也认定其存在干扰。
其中, 所述根据确定的与检测到存在干扰的增强控制信道对应的 PRB , 生成第一调度指示信息的实现方法可以为: 将存在干扰的增强控制 信道对应的 PRB的标识信息通过比特位图或联合编码的方式进行处理,生 成第一调度指示信息。
值得说明的是,在小区 A中,如果既有被干扰的 E-PDCCH对应的 PRB , 也有被干扰的 E-PH I CH对应的 PRB , 则小区 A需要根据被干扰的 E-PDCCH
和被干扰的 E-PH I CH各自对应的 PRB分别生成第一调度指示信息,并分别 发送给相邻小区。 或者, 将根据两种不同的增强控制信道各自对应的 PRB 共同生成同一个第一调度指示信息,并使用其他附加指示信息来区分所述 同一个第一调度指示信息中被干扰的 E-PH I CH 对应的 PRB 和被干扰的 E-PH I CH对应的 PRB。
302、 小区 A将所述第一调度指示信息发送至小区 B。
30 3、 小区 B接收小区 A发送的第一调度指示信息。
304、 小区 B根据所述第一调度指示信息, 从所述小区 B的 PRB中确 定所述小区 B内需要调整调度方式的 PRB。
其中, 所述根据所述第一调度指示信息, 确定所述小区 B内需要调整 调度方式的 PRB的实现可以通过以下方法实现, 包括:
根据所述第一调度指示信息,确定所述小区 A内被干扰的增强控制信 道对应的 PRB ;
从所述小区 B的 PRB中,将与所述小区 A内被干扰的增强控制信道对 应的 PRB使用相同调度资源的 PRB确定为所述小区 B需要调整调度方式的 PRB。
其中, 若小区 A与小区 B的配置相同, 则小区 A与小区 B的 PRB数量 相同。则将与所述小区 A内被干扰的增强控制信道对应的 PRB使用相同调 度资源的 PRB确定为所述小区 B的增强控制信道对应的 PRB的过程中,直 接确定小区 B 内部中具有与所述小区 A 内被干扰的增强控制信道对应的 PRB的相同块号的 PRB为所述小区 B的增强控制信道对应的 PRB。
若小区 A与小区 B的配置不相同, 则小区 B还需要获取小区 A的 PRB 的资源分配信息, 来确定与所述小区 A 内被干扰的增强控制信道对应的 PRB使用相同调度资源的 PRB的指示信息。
305、 小区 B根据所述第一调度指示信息, 确定所述小区 B的增强控 制信道对应的 PRB的调度方式。
其中,调度方式可以但不局限于包括小区 B使用较低的功率传输 P R B、
使用零功率传输 P R B或者空间上和小区 A的增强控制信道发射方向正交的 空间资源传输 PRB等方式。
另外, 值得说明的是, 本发明实施例仅是以 3GPP LTE-A定义的异构 网络中的两个小区进行举例说明,并不限定本发明提供的技术方法只能在 此网络场景中使用。
本发明实施例提供的干扰协调的方法,通过小区将增强控制信道调度 指示信息发送至相邻小区,相邻小区在接收到所述增强控制信道调度指示 信息之后, 根据增强控制信道调度指示信息调整自身的 PRB的调度, 从而 避免了增强控制信道被相邻小区强干扰的情况出现,保证了各个小区的增 强控制信道的性能。
实施例 3
本发明实施例提供了一种干扰协调的方法, 可以应用在 3GPP LTE-A 定义的异构网络中, 本实施例中以在此异构网络中分属于不同的基站, 但 空间上相邻的小区 A和 B为例具体描述一种干扰协调的流程,如图 4所示, 具体包括:
4 0 1、 小区 A生成第二调度指示信息。
其中,所述第二调度指示信息用于表示所述相邻小区的 PRB各自对应 的传输功率信息,具体可以包括所述小区 A的 PRB各自对应的相对窄带传 输功率值以及至少一个相对窄带传输功率门限值。
其中, 所述根据获取到的小区 A的 PRB , 生成增强控制信道调度指示 信息的实现可以通过以下方法实现, 具体为:
按照预定策略, 设置至少一个相对窄带传输功率门限值;
根据所述至少一个相对窄带传输功率门限值,分别生成每个 PRB各自 对应的相对窄带传输功率值;
根据每个 PRB 对应的相对窄带传输功率值和所述至少一个相对窄带 传输功率门限值, 生成第二调度指示信息。
其中, 所述预定策略可以包括相对窄带传输功率的门限值的取值范
围、 小区的接收、 发送信号的性能要求等, 例如, 若小区 A与小区 B的距 离较远, 则可设置比较大的门限值, 若小区 A与小区 B的距离较近, 则可 设置比较小的门限值, 本发明实施例对此不进行限制。
其 中 , 若只设置一个相对窄 带传输功率 门 限值 RNTPth
( RNTPth→M rmtrnl ) , 所述根据该 RNTPtl 分别生成每个
PRB各自对应的相对窄带传输功率值可遵循以表 1 中定义的方式生成
表 1 RNTP_1定义
在表 1 中, RNTP_2为 PRB的相对窄带传输功率值, 不同的 PRB要确 定各白的 RNTP-2值。 其中, Tx为一个 PRB上的 EPRE (energy per resouse element)与 eNB最大发射功率情况下对应的 EPRE的比值, 其计算方法遵 循下述公式 ( 1;)。
Tx ( 1 )
E: 其中, 是小区在该 PRB上除携带 RS ( Ref e rence s igna 1 ) 的 OFDM符号的其他符号上将要使用的最大的 EPRE值; 是物理资源块号, p 1
U 一1 , ^^是下行带宽内的 PRB数目, E, A 为
A ' A 一 个 PRB内的子载波数目, Δ /为子载波宽度, Ρ皿 是基站的最大输出功率。
其中, 若设置多个相对窄带传输功率门限值, 在本实施例中以 4个门 限值为例, 所述根据设置好的 4个门限值, 分别生成每个 PRB各自对应的 相对窄带传输功率值可遵循以表 2中定义的方式生成。
表 2 RNTP _ 定义
其中, Tx与表 1的相关描述相同, 賺—— 賺—— 4个设置 好的门限值, 满 RNTPthresh RNTPthre 2 > RNTPthreshold 3 > RNTP——4
若设置了更多的门限值,则定义可依据表 1和表 2的格式进行适应性 扩充。
其中, 可以所述第二调度指示信息可以在负载信息的 I E的格式中进 行传输具体表示方法见表 3和表 4。 其中, 表 3表示的是小区 A只设置一 个门限值时得到的第二调度指示信息的格式,表 4表示的是小区 A设置了 4个门限值时得到的第二调度指示信息的格式。
表 3 第二调度指示信息格式 1
值得说明的是, 表 3和表 4的内容仅仅是一种示例, 对于门限值更 的情况, 表格的内容可以适应性修改和添加。 信息元素类型和参考也可以 采用比特位图或联合编码的方式或其他形式。
402、 小区 A将所述第二调度指示信息发送至小区 B
403、 小区 B接收相邻小区发送的第二调度指示信息。
4 04、 小区 B根据所述第二调度指示信息, 从所述小区 B的 PRB中确 定所述小区 B内需要调整调度方式的 PRB。
其中, 所述根据所述第二调度指示信息, 确定所述小区 B内需要调整 调度方式的 PRB可以通过以下方法实现, 包括:
根据所述第二调度指示信息,确定所述小区 A的 PRB各自对应的相对 窄带传输功率值以及至少一个相对窄带传输功率门限值; 根据所述小区 A 的 PRB各自对应的相对窄带传输功率值以及所述小区 A的相对窄带传输功 率门限值进行计算, 估算所述小区 A的 PRB各自对应的传输功率值; 根据 预设置的抗干扰信息以及所述小区 A的 P R B各自对应的传输功率值,确定 所述小区 B的增强控制信道对应的 PRB , 并将所述小区 B的增强控制信道 对应的 PRB确定为所述小区 B内需要调整调度方式的 PRB。
其中, 所述根据所述第二调度指示信息, 确定的至少一个相对窄带传 输功率门限值的实现过程中,确定的相对窄带传输功率门限值的数量取决 于所述第二调度指示信息携带的相对窄带传输功率门限值的数量。 例如, 第二调度指示信息中携带有 1个相对窄带传输功率门限值,则小区 B必须 要从所述第二调度指示信息确定出 1个相对窄带传输功率门限值;若第二 调度指示信息中携带有 4个相对窄带传输功率门限值,则小区 B必须要从 所述第二调度指示信息确定出 4个相对窄带传输功率门限值。
其中,所述预设置的抗干扰信息可以包括小区 B对承载不同控制信息 的增强控制信道设置的功率门限值、小区 B对覆盖不同地区的用户的增强 控制信道设置的功率门限值等。所述抗干扰信息具体用于为小区 B为增强 控制信道选择对应的 PRB提供选择规则。 举例来说, 在抗干扰信息提供的 选择规则下设置有 2个门限值,小区 B可将传输功率值超过较小的功率门 限值但不超过较大的功率门限值的 PRB 分配给性能要求较低的增强控制 信道,将传输功率值不超过较小的功率门限值的 PRB分配给性能要求较高 的增强控制信道。 若增强控制信有 E-PDCCH和 E-PH I CH两种信道, 则小区 B 可将传输功率值超过较小的功率门限值但不超过较大的功率门限值的
PRB分配给 E-PDCCH , 将传输功率值不超过较小的功率门限值的 PRB分配 给 E-PH I CH.当然, 此处只是一种本实施例中的一个例子, 具体的分配方 法可以根据实际需要进行设置。
405、 小区 B根据所述第二调度指示信息, 调整所述小区 B 内的 PRB 的调度方式。
其中, 调整调度方式包括对 PRB 要分配给哪些增强控制信道进行调 整、 调整 PRB传输功率进行传输等。
另外, 值得说明的是, 实施例 2和实施例 3中均分别针对增强控制信 道调度指示信息为第一调度指示信息和增强控制信道调度指示信息为第 二调度指示信息进行了。当增强控制信道调度指示信息同时包括上述两种 调度信息时, 执行的流程是可以结合步骤 301至步骤 307、 步骤 401和步 骤 407—起执行来实现。
另外, 值得说明的是, 上述实施例中描述的增强控制信道调度指示信 息的单位都是 PRB , 但相应的方案流程也可以应用于其他的调度单位粒 度, 比如将固定连续的几个 PRB定义为 PRB组, 相应的方案流程和本发明 所述一致的过程。
另外,值得说明的是,在本实施例中,上述 RNTP _ 1、 RNTP _ N、 RNTPthreshold 、 丽 p一— 匿―—;、 匿 th; ^于表示各个小区的增强控制信道 信号情况的参数。这些参数可以与现有技术中用于表示诸如 PDSCH、 PDCCH 等信道信号情况的参数共同使用。
本发明实施例提供的干扰协调的方法,通过小区将增强控制信道调度 指示信息发送至相邻小区,相邻小区在接收到所述增强控制信道调度指示 信息之后, 根据增强控制信道调度指示信息调整自身的 PRB的调度, 从而 避免了增强控制信道被相邻小区强干扰的情况出现,保证了各个小区的增 强控制信道的性能。
实施例 4
本发明实施例提供了一种干扰协调的装置,如图 5所示,该装置包括:
生成单元 51、 发送单元 51。
生成单元 51, 用于生成增强控制信道调度指示信息, 所述增强控制 信道调度指示信息包括第一调度指示信息和 /或第二调度指示信息;其中, 所述第一调度指示信息用于标识所述小区中被干扰的增强控制信道对应 的 PRB; 所述第二调度指示信息用于表示所述小区的 PRB各自对应的传输 功率信息。
发送单元 51, 用于将所述生成单元 51生成增强控制信道调度指示信 息发送至相邻小区,以使得相邻小区根据所述增强控制信道调度指示信息 确定所述相邻小区内需要调整调度方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PHICH。
可选的是, 如图 6所示, 所述生成单元 51 包括: 检测模块 511、 确 定模块 512、 第一生成模块 513。
检测模块 511, 用于在所述增强控制信道调度指示信息为第一调度指 示信息时, 检测当前调度给用户设备的增强控制信道是否存在干扰。
确定模块 512, 用于在所述检测模块 511检测到当前调度给用户设备 的增强控制信道中存在干扰,从所述小区的 PRB中确定与检测到存在干扰 的增强控制信道对应的 PRB。
第一生成模块 513, 用于根据所述确定模块 512确定的与检测到存在 干扰的增强控制信道对应的 PRB, 生成第一调度指示信息。
可选的是, 如图 7所示, 所述生成单元 51 包括: 设置模块 514、 第 二生成模块 515、 第三生成模块 516。
设置模块 514, 用于在所述增强控制信道调度指示信息为第二调度指 示信息时, 按照预定策略, 设置至少一个相对窄带传输功率门限值。
第二生成模块 515, 用于根据所述至少一个相对窄带传输功率门限 值, 分别生成每个 P R B各自对应的相对窄带传输功率值;。
第三生成模块 516, 用于根据每个 PRB对应的相对窄带传输功率值和
所述至少一个相对窄带传输功率门限值, 生成第二调度指示信息。
可选的是, 所述发送单元 51具体用于直接将所述增强控制信道调度 指示信息发送至相邻小区; 和 /或, 将所述增强控制信道调度指示信息发 送至 0AM , 以使得所述 0AM在接收到所述增强控制信道调度指示信息时, 将所述增强控制信道调度指示信息转发至相邻小区。
本发明实施例提供了另一种干扰协调的装置, 如图 8所示, 包括: 接 收单元 61、 确定单元 62。
接收单元 61 , 用于接收相邻小区发送的增强控制信道调度指示信息, 所述增强控制信道调度指示信息包括第一调度指示信息和 /或第二调度指 示信息; 其中, 所述调度指示信息用于标识所述相邻小区中被干扰的增强 控制信道对应的 PRB ; 所述第二调度指示信息用于表示所述相邻小区的 P R B各自对应的传输功率信息。
确定单元 62 , 用于根据所述增强控制信道调度指示信息, 从小区的 PRB中确定所述相邻小区内需要调整调度方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PH I CH。
可选的是, 如图 9所示, 所述确定单元 62包括: 第一确定模块 621、 第二确定模块 622。
第一确定模块 621 , 用于在所述增强控制信道调度指示信息为第一调 度指示信息时, 根据所述第一调度指示信息, 确定所述相邻小区内被干扰 的增强控制信道对应的 PRB。
第二确定模块 622 , 用于从所述小区的 PRB中, 将与所述相邻小区内 被干扰的增强控制信道对应的 PRB使用相同调度资源的 PRB确定为所述小 区的增强控制信道对应的 PRB。
可选的是, 如图 1 0所示, 所述确定单元 62包括: 第三确定模块 623、 计算模块 624、 第四确定模块 625。
第三确定模块 623 , 用于在所述增强控制信道调度指示信息为第二调
度指示信息时, 根据所述第二调度指示信息, 确定所述相邻小区的 PRB 各自对应的相对窄带传输功率值以及所述相邻小区的至少一个相对窄带 传输功率门限值。
计算模块 624 , 用于根据所述相邻小区的 PRB各自对应的相对窄带传 输功率值以及所述相邻小区的至少一个相对窄带传输功率门限值进行计 算, 得到所述相邻小区的 PRB各自对应的传输功率值。
第四确定模块 62 5 , 用于根据预设置的抗干扰信息以及所述相邻小区 的 P R B各自对应的传输功率值,确定所述小区的增强控制信道对应的 P R B , 并将所述小区的增强控制信道对应的 PRB 确定为所述小区内需要调整调 度方式的 PRB。
可选的是, 如图 1 1所示, 该装置还包括: 调整单元 6 3。
调整单元 6 3 , 用于根据所述增强控制信道调度指示信息, 调整所述 小区内的 PRB的调度方式。
本发明实施例提供的干扰协调的装置,通过小区将增强控制信道调度 指示信息发送至相邻小区,相邻小区在接收到所述增强控制信道调度指示 信息之后, 根据增强控制信道调度指示信息调整自身的 PRB的调度, 使得 相邻的小区之间能够互相考虑各自的 PRB 信息来确定自身的增强控制信 道对应的 PRB , 从而避免了增强控制信道被相邻小区强干扰的情况出现, 避免了增强控制信道被相邻小区强干扰的情况出现,保证了各个小区的增 强控制信道的性能。
实施例 5
本发明实施例提供了一种干扰协调的装置, 如图 1 2所示, 该装置包 括: 处理器 7 1和存储器 72。
所述处理器 7 1 , 用于生成增强物理下行控制信道增强控制信道调度 指示信息, 所述增强控制信道调度指示信息包括第一调度指示信息和 /或 第二调度指示信息; 其中, 所述第一调度指示信息用于标识所述小区中被 干扰的增强控制信道对应的 PRB ; 所述第二调度指示信息用于表示所述小
区的 PRB各自对应的传输功率信息;将所述增强控制信道调度指示信息发 送至相邻小区,以使得相邻小区根据所述增强控制信道调度指示信息确定 所述相邻小区内需要调整调度方式的 PRB。
其中,所述增强控制信道包括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E-PHICH。
所述存储器 72, 用于存储增强控制信道调度指示信息。
所述处理器 71, 具体用于在所述增强控制信道调度指示信息为第一 调度指示信息时, 检测当前调度给用户设备的增强控制信道是否存在干 扰; 若检测到当前调度给用户设备的增强控制信道中存在干扰, 则从所述 小区的 PRB中确定与检测到存在干扰的增强控制信道对应的 PRB; 根据确 定的与检测到存在干扰的增强控制信道对应的 PRB, 生成第一调度指示信 息。
所述处理器 71, 具体还用于在所述增强控制信道调度指示信息为第 二调度指示信息时, 按照预定策略, 设置至少一个相对窄带传输功率门限 值; 根据所述至少一个相对窄带传输功率门限值, 分别生成每个 PRB各自 对应的相对窄带传输功率值;根据每个 PRB对应的相对窄带传输功率值和 所述至少一个相对窄带传输功率门限值, 生成第二调度指示信息。
所述存储器 72, 还用于存储至少一个相对窄带传输功率门限值和每 个 PRB各自对应的相对窄带传输功率值。
所述处理器 71, 具体还用于直接将所述增强控制信道调度指示信息 发送至相邻小区; 和 /或, 将所述增强控制信道调度指示信息发送至 0AM, 以使得所述 0AM在接收到所述增强控制信道调度指示信息时,将所述增强 控制信道调度指示信息转发至相邻小区。
本发明实施例提供了一种干扰协调的装置, 如图 13所示, 该装置包 括: 处理器 73和存储器 74。
所述处理器 73, 用于接收相邻小区发送的增强控制信道调度指示信 息, 所述增强控制信道调度指示信息包括第一调度指示信息和 /或第二调
度指示信息; 其中, 所述调度指示信息用于标识所述相邻小区中被干扰的 增强控制信道对应的 PRB ; 所述第二调度指示信息用于表示所述相邻小区 的 P R B各自对应的传输功率信息;根据所述增强控制信道调度指示信息确 定所述相邻小区内需要调整调度方式的 PRB。 其中, 所述增强控制信道包 括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ指示信道 E - PH I CH。
所述存储器 74 , 用于存储增强控制信道调度指示信息。
所述处理器 7 3 , 具体用于在所述增强控制信道调度指示信息为第一 调度指示信息时, 根据所述第一调度指示信息, 确定所述相邻小区内被干 扰的增强控制信道对应的 PRB ; 从所述小区的 PRB中, 将与所述相邻小区 内被干扰的增强控制信道对应的 PRB使用相同调度资源的 PRB确定为所述 小区的增强控制信道对应的 PRB。
所述存储器 74 , 用于存储所述相邻小区内被干扰的增强控制信道对 应的 PRB。
所述处理器 7 3 , 具体用于当所述增强控制信道调度指示信息为第二 调度指示信息时, 根据所述第二调度指示信息, 确定所述相邻小区的 PRB 各自对应的相对窄带传输功率值以及至少一个相对窄带传输功率门限值; 根据所述相邻小区的 PRB 各自对应的相对窄带传输功率值以及所述至少 一个相对窄带传输功率门限值进行计算,得到所述相邻小区的 PRB各自对 应的传输功率值;根据预设置的抗干扰信息以及所述相邻小区的 PRB各自 对应的传输功率值, 确定所述小区的增强控制信道对应的 PRB , 并将所述 小区的增强控制信道对应的 PRB 确定为所述小区内需要调整调度方式的 PRB。
所述存储器 74 , 用于存储所述相邻小区的 PRB各自对应的相对窄带 传输功率值以及至少一个相对窄带传输功率门限值、 所述相邻小区的 PRB 各自对应的传输功率值。
所述处理器 7 3 , 还用于根据所述增强控制信道调度指示信息, 调整
所述小区内的 PRB的调度方式。
所述处理器 7 3 , 具体还用于直接将所述增强控制信道调度指示信息 发送至相邻小区; 和 /或, 将所述增强控制信道调度指示信息发送至 0AM , 以使得所述 0AM在接收到所述增强控制信道调度指示信息时,将所述增强 控制信道调度指示信息转发至相邻小区。
本发明实施例提供的干扰协调的装置,通过小区将增强控制信道调度 指示信息发送至相邻小区,相邻小区在接收到所述增强控制信道调度指示 信息之后, 根据增强控制信道调度指示信息调整自身的 PRB的调度, 使得 相邻的小区之间能够互相考虑各自的 PRB 信息来确定自身的增强控制信 道对应的 PRB , 从而避免了增强控制信道被相邻小区强干扰的情况出现, 避免了增强控制信道被相邻小区强干扰的情况出现,保证了各个小区的增 强控制信道的性能。
通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到 本发明可借助软件加必需的通用硬件的方式来实现, 当然也可以通过硬 件, 但很多情况下前者是更佳的实施方式。 基于这样的理解, 本发明的技 术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式 体现出来, 该计算机软件产品存储在可读取的存储介质中, 如计算机的软 盘, 硬盘或光盘等, 包括若干指令用以使得一台计算机设备(可以是个人 计算机, 服务器, 或者网络设备等) 执行本发明各个实施例所述的方法。 以上所述,仅为本发明的具体实施方式, 但本发明的保护范围并不局限于 此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易 想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保 护范围应以所述权利要求的保护范围为准。
Claims
1、 一种干扰协调的方法, 其特征在于, 包括:
生成增强控制信道调度指示信息, 所述增强控制信道调度指示信息包 括第一调度指示信息和 /或第二调度指示信息; 其中, 所述第一调度指示信 息用于标识所述小区中被干扰的增强控制信道对应的 PRB ; 所述第二调度 指示信息用于表示所述小区的 PRB各自对应的传输功率信息;
将所述增强控制信道调度指示信息发送至相邻小区, 以使得相邻小区 根据所述增强控制信道调度指示信息确定所述相邻小区内需要调整调度方 式的 PRB。
2、 根据权利要求 1所述的方法, 其特征在于, 所述增强控制信道包括 增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ 指示信道 E - PH I CH。
3、 根据权利要求 2所述的方法, 其特征在于, 当所述增强控制信道调 度指示信息为第一调度指示信息时, 则所述根据获取到的小区的 PRB , 生 成增强控制信道调度指示信息具体包括:
检测当前调度给用户设备的增强控制信道是否存在干扰;
若检测到当前调度给用户设备的增强控制信道中存在干扰, H 'J从所述 小区的 PRB中确定与检测到存在干扰的增强控制信道对应的 PRB ;
根据确定的与检测到存在干扰的增强控制信道对应的 PRB , 生成第一 调度指示信息。
4、 根据权利要求 2所述的方法, 其特征在于, 当所述增强控制信道调 度指示信息为第二调度指示信息时, 所述根据获取到的小区的 PRB , 生成 增强控制信道调度指示信息包括:
按照预定策略, 设置至少一个相对窄带传输功率门限值;
根据所述至少一个相对窄带传输功率门限值, 分别生成每个 PRB各自 对应的相对窄带传输功率值;
根据每个 PRB对应的相对窄带传输功率值和所述至少一个相对窄带传
输功率门限值, 生成第二调度指示信息。
5、 根据权利要求 2所述的方法, 其特征在于, 所述将所述增强控制信 道调度指示信息发送至相邻小区包括:
直接将所述增强控制信道调度指示信息发送至相邻小区; 和 /或, 将所述增强控制信道调度指示信息发送至操作管理维护 0AM , 以使得 所述 0AM在接收到所述增强控制信道调度指示信息时, 将所述增强控制信 道调度指示信息转发至相邻小区。
6、 一种干扰协调的方法, 其特征在于, 包括:
接收相邻小区发送的增强控制信道调度指示信息, 所述增强控制信道 调度指示信息包括第一调度指示信息和 /或第二调度指示信息; 其中, 所述 调度指示信息用于标识所述相邻小区中被干扰的增强控制信道对应的 PRB; 所述第二调度指示信息用于表示所述相邻小区的 PRB各自对应的传输功率 信息;
根据所述增强控制信道调度指示信息确定所述相邻小区内需要调整调 度方式的 PRB。
7、 根据权利要求 6所述的方法, 其特征在于, 所述增强控制信道包括 增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ 指示信道 E - PH I CH。
8、 根据权利要求 7所述的方法, 其特征在于, 当所述增强控制信道调 度指示信息为第一调度指示信息时, 所述根据所述增强控制信道调度指示 信息,从所述小区的 PRB中所述小区的增强控制信道对应的 PRB具体包括: 根据所述第一调度指示信息, 确定所述相邻小区内被干扰的增强控制 信道对应的 PRB ;
从所述小区的 PRB 中, 将与所述相邻小区内被干扰的增强控制信道对 应的 PRB使用相同调度资源的 PRB确定为所述小区的增强控制信道对应的 PRB。
9、 根据权利要求 7所述的方法, 其特征在于, 当所述增强控制信道调
度指示信息为第二调度指示信息时, 则所述根据所述增强控制信道调度指 示信息, 从所述小区的 PRB中确定所述小区的增强控制信道对应的 PRB具 体包括:
根据所述第二调度指示信息, 确定所述相邻小区的 PRB各自对应的相 对窄带传输功率值以及至少一个相对窄带传输功率门限值;
根据所述相邻小区的 PRB各自对应的相对窄带传输功率值以及所述至 少一个相对窄带传输功率门限值进行计算, 得到所述相邻小区的 PRB各自 对应的传输功率值;
根据预设置的抗干扰信息以及所述相邻小区的 PRB各自对应的传输功 率值, 确定所述小区的增强控制信道对应的 PRB , 并将所述小区的增强控 制信道对应的 PRB确定为所述小区内需要调整调度方式的 PRB。
1 0、 根据权利要求 8或 9所述的方法, 其特征在于, 在所述根据所述 增强控制信道调度指示信息确定所述相邻小区内需要调整调度方式的 PRB 之后, 还包括:
根据所述增强控制信道调度指示信息, 调整所述小区内的 PRB的调度 方式。
1 1、 一种干扰协调的装置, 其特征在于, 包括:
生成单元, 用于生成增强控制信道调度指示信息, 所述增强控制信道 调度指示信息包括第一调度指示信息和 /或第二调度指示信息; 其中, 所述 第一调度指示信息用于标识所述小区中被干扰的增强控制信道对应的 PRB; 所述第二调度指示信息用于表示所述小区的 PRB 各自对应的传输功率信 息;
发送单元, 用于将所述生成单元生成的所述增强控制信道调度指示信 息发送至相邻小区, 以使得相邻小区根据所述增强控制信道调度指示信息 确定所述相邻小区内需要调整调度方式的 PRB。
1 2、 根据权利要求 1 1所述的装置, 其特征在于, 所述增强控制信道包 括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ 指示信道
E - PH I CH。
1 3、 根据权利要求 1 1所述的装置, 其特征在于, 所述生成单元包括: 检测模块, 用于在所述增强控制信道调度指示信息为第一调度指示信 息时, 检测当前调度给用户设备的增强控制信道是否存在干扰;
确定模块, 用于在所述检测模块检测到当前调度给用户设备的增强控 制信道中存在干扰, 从所述小区的 PRB 中确定与检测到存在干扰的增强控 制信道对应的 PRB;
第一生成模块, 用于根据所述确定模块确定的与检测到存在干扰的增 强控制信道对应的 PRB , 生成第一调度指示信息。
14、 根据权利要求 1 1所述的装置, 其特征在于, 所述生成单元包括: 设置模块, 用于在所述增强控制信道调度指示信息为第二调度指示信 息时, 按照预定策略, 设置至少一个相对窄带传输功率门限值;
第二生成模块, 用于根据所述至少一个相对窄带传输功率门限值, 分 别生成每个 PRB各自对应的相对窄带传输功率值;
第三生成模块, 用于根据每个 PRB对应的相对窄带传输功率值和所述 至少一个相对窄带传输功率门限值, 生成第二调度指示信息。
1 5、 根据权利要求 1 1所述的装置, 其特征在于, 所述发送单元具体用 于直接将所述增强控制信道调度指示信息发送至相邻小区; 和 /或, 将所述 增强控制信道调度指示信息发送至 0AM , 以使得所述 0AM在接收到所述增 强控制信道调度指示信息时, 将所述增强控制信道调度指示信息转发至相 邻小区。
1 6、 一种干扰协调的装置, 其特征在于, 包括:
接收单元, 用于接收相邻小区发送的增强控制信道调度指示信息, 所 述增强控制信道调度指示信息包括第一调度指示信息和 /或第二调度指示 信息; 其中, 所述调度指示信息用于标识所述相邻小区中被干扰的增强控 制信道对应的 PRB; 所述第二调度指示信息用于表示所述相邻小区的 PRB 各自对应的传输功率信息;
获取单元, 用于获取小区的 PRB ;
确定单元, 用于根据所述增强控制信道调度指示信息, 从小区的 PRB 中确定所述相邻小区内需要调整调度方式的 PRB。
1 7、 根据权利要求 1 6所述的装置, 其特征在于, 所述增强控制信道包 括增强物理下行控制信道增强控制信道和 /或增强物理混合 ARQ 指示信道 E - PH I CH。
1 8、 根据权利要求 1 7所述的装置, 其特征在于, 所述确定单元包括: 第一确定模块, 用于在所述增强控制信道调度指示信息为第一调度指 示信息时, 根据所述第一调度指示信息, 确定所述相邻小区内被干扰的增 强控制信道对应的 PRB ;
第二确定模块, 用于从所述小区的 PRB 中, 将与所述相邻小区内被干 扰的增强控制信道对应的 PRB使用相同调度资源的 PRB确定为所述小区的 增强控制信道对应的 PRB。
1 9、 根据权利要求 1 7所述的装置, 其特征在于, 所述确定单元包括: 第三确定模块, 用于在所述增强控制信道调度指示信息为第二调度指 示信息时, 根据所述第二调度指示信息, 确定所述相邻小区的 PRB各自对 应的相对窄带传输功率值以及所述相邻小区的至少一个相对窄带传输功率 门限值;
计算模块, 用于根据所述相邻小区的 PRB各自对应的相对窄带传输功 率值以及所述相邻小区的至少一个相对窄带传输功率门限值进行计算, 得 到所述相邻小区的 PRB各自对应的传输功率值;
第四确定模块,用于根据预设置的抗干扰信息以及所述相邻小区的 PRB 各自对应的传输功率值, 确定所述小区的增强控制信道对应的 PRB , 并将 所述小区的增强控制信道对应的 PRB确定为所述小区内需要调整调度方式 的 PRB。
2 0、 根据权利要求 1 8或 1 9所述的装置, 其特征在于, 还包括: 调整 单元, 用于根据所述增强控制信道调度指示信息, 调整所述小区内的 PRB
的调度方式。
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EP12886406.3A EP2900012B1 (en) | 2012-10-09 | 2012-10-09 | Interference coordination method and device |
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CN201280004232.3A CN104662952B (zh) | 2012-10-09 | 2012-10-09 | 干扰协调的方法及装置 |
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EP2900012A4 (en) | 2015-08-05 |
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US20150215089A1 (en) | 2015-07-30 |
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