WO2014082274A1 - 一种基于长期演进系统的载波聚合通信方法、装置及系统 - Google Patents

一种基于长期演进系统的载波聚合通信方法、装置及系统 Download PDF

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Publication number
WO2014082274A1
WO2014082274A1 PCT/CN2012/085611 CN2012085611W WO2014082274A1 WO 2014082274 A1 WO2014082274 A1 WO 2014082274A1 CN 2012085611 W CN2012085611 W CN 2012085611W WO 2014082274 A1 WO2014082274 A1 WO 2014082274A1
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WIPO (PCT)
Prior art keywords
cell
frequency
carrier
carrier signal
information
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PCT/CN2012/085611
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English (en)
French (fr)
Inventor
江立红
胡宏杰
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280002662.1A priority Critical patent/CN103299592B/zh
Priority to PCT/CN2012/085611 priority patent/WO2014082274A1/zh
Publication of WO2014082274A1 publication Critical patent/WO2014082274A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • Carrier aggregation communication method, device and system based on long-term evolution system Carrier aggregation communication method, device and system based on long-term evolution system
  • the present invention relates to the field of communications, and in particular, to a carrier aggregation communication method, apparatus, and system based on a long term evolution system.
  • Frequency planning is one of the ways to improve spectral efficiency.
  • Cellular communication is an important technology to solve the problem of insufficient frequency.
  • the broadcast channel and control channel are the most basic channels in cellular communication, and need to cover all users in the coverage of the cell. Without good broadcast channel and control channel coverage, Good cellular service is not available, so it is necessary to ensure link budget and anti-interference capabilities for the broadcast channel and control channel.
  • LTE Time Division-Long Term Evolution
  • all cells use the same frequency to transmit broadcast channels and control channels, that is, two or more cells can be searched for in the same frequency band.
  • Broadcast channel and control information so that there is a problem of co-channel interference between adjacent cells, so that the user cannot correctly receive the broadcast channel and control channel of the cell, and thus cannot obtain correct traffic channel information, resulting in the UE not performing correctly.
  • Carrier aggregation so that services provided by operators cannot be obtained.
  • Embodiments of the present invention provide a carrier aggregation communication method, apparatus, and system based on a long term evolution system, which improve the anti-interference capability of a broadcast channel and a control channel, and facilitate the UE to correctly perform carrier aggregation.
  • a first aspect of the present invention provides a carrier aggregation communication method based on a long term evolution system, including:
  • the number carries the first secondary carrier information that is used for carrier aggregation with the first cell primary carrier
  • the second frequency is used to transmit the primary carrier signal of the second cell
  • the second primary carrier signal carries the second carrier
  • the second primary carrier information of the carrier aggregation is performed by the cell primary carrier, where the first cell and the second cell are adjacent cells, and the first frequency is different from the second frequency.
  • the method further includes:
  • the transmitting, by using the third frequency, the secondary carrier signals of the first cell and the second cell further including:
  • the method further includes:
  • the method further includes:
  • the carrier configuration information includes primary carrier frequency information of the first cell, secondary carrier frequency information, and/or the second cell Primary carrier frequency information.
  • the carrier configuration information further includes: a primary carrier bandwidth of the first cell and a primary carrier bandwidth of the second cell;
  • the primary carrier bandwidth of the first cell is the number of users according to the first cell. Determining; the primary carrier bandwidth of the second cell is determined according to the number of users of the second cell.
  • the channel carried in the primary carrier includes: a broadcast channel, a control channel, and a first service channel;
  • the channel carried in the secondary carrier includes: a second traffic channel.
  • the third frequency includes a first sub-frequency and a second sub-frequency; and the third frequency is used to send the first cell And the secondary carrier signal of the second cell, including:
  • the power of the primary carrier signal is greater than or equal to the power of the secondary carrier signal.
  • a carrier aggregation communication device based on a long term evolution system including:
  • a first sending unit configured to send a primary carrier signal of the first cell by using the first frequency, where the first primary carrier signal carries the first secondary carrier information that is used for carrier aggregation with the first primary carrier;
  • a second sending unit configured to send a primary carrier signal of the second cell by using the second frequency, where the second primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier;
  • the first cell and the second cell are neighboring cells, and the first frequency is different from the second frequency.
  • the method further includes:
  • a third sending unit configured to send a secondary carrier signal of the first cell and the second cell by using a third frequency; wherein the third frequency is different from the first frequency and the second frequency.
  • the third sending unit further includes:
  • a first sending module configured to send the first by using the third frequency and the second frequency a secondary carrier signal of a cell
  • a second sending module configured to send the secondary carrier signal of the second cell by using the third frequency and the first frequency.
  • the method further includes:
  • a fourth sending unit configured to send a primary carrier signal of the third cell by using the fourth frequency, where the third cell is adjacent to the first cell and the second cell, and the fourth frequency Both the first frequency and the second frequency are different.
  • the method further includes:
  • a receiving unit configured to receive carrier configuration information of the first cell and/or the second cell, where the carrier configuration information includes primary carrier frequency information, secondary carrier frequency information, and/or location of the first cell
  • the carrier configuration information includes primary carrier frequency information, secondary carrier frequency information, and/or location of the first cell
  • the carrier configuration information further includes: a primary carrier bandwidth of the first cell and a primary carrier bandwidth of the second cell;
  • the primary carrier bandwidth of the first cell is determined according to the number of users of the first cell; and the primary carrier bandwidth of the second cell is determined according to the number of users of the second cell.
  • the channel carried in the primary carrier includes: a broadcast channel, a control channel, and a first service channel;
  • the channel carried in the secondary carrier includes: a second traffic channel.
  • the third frequency includes a first sub-frequency and a second sub-frequency
  • the third sending unit further includes:
  • a third sending module configured to send a secondary carrier signal of the first cell by using a first sub-frequency
  • a fourth sending module configured to send the second carrier's secondary carrier signal by using the second sub-frequency number.
  • a third aspect of the present invention provides a base station, including:
  • the baseband processing module is configured to: obtain a primary carrier signal of a first cell by using a first frequency as a primary carrier frequency modulation;
  • the baseband processing module is further configured to: use a second frequency as a primary carrier frequency modulation to obtain a primary carrier signal of the second cell;
  • the medium radio frequency processing module is configured to send a primary carrier signal of the first cell and a primary carrier signal of the second cell that are modulated by the baseband processing module, where the first cell primary carrier signal carries The first secondary carrier information of the first cell primary carrier is used for carrier aggregation, and the second primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier.
  • the cell and the second cell are adjacent cells, and the first frequency is different from the second frequency.
  • the baseband processing module is further configured to: obtain a secondary carrier signal of the first cell and a secondary carrier signal of the second cell by using a third frequency as a secondary carrier frequency modulation; wherein the third frequency and the first a frequency and the second frequency are different;
  • the medium radio frequency processing module is further configured to send the secondary carrier signal of the first cell and the secondary carrier signal of the second cell that are modulated by the baseband processing module.
  • the baseband processing module is further configured to: use the third frequency and the second frequency as a secondary carrier frequency modulation to obtain a location a secondary carrier signal of the first cell;
  • the baseband processing module is further configured to: obtain the secondary carrier signal of the second cell by using the third frequency and the first frequency as a secondary carrier frequency modulation;
  • the medium radio frequency processing module is further configured to send the secondary carrier signal of the first cell and the secondary carrier signal of the second cell that are modulated by the baseband processing module.
  • the baseband processing module is further configured to: use a fourth frequency as a primary carrier frequency modulation to obtain a primary carrier signal of the third cell;
  • the medium radio frequency processing module is further configured to send the modulation obtained by the baseband processing module a primary carrier signal of the third cell; wherein the third cell is adjacent to the first cell and the second cell, and the fourth frequency is different from the first frequency and the second frequency.
  • the method further includes:
  • a receiver configured to receive carrier configuration information of the first cell and/or the second cell, where the carrier configuration information includes primary carrier frequency information, secondary carrier frequency information, and/or location of the first cell
  • the primary carrier frequency information of the second cell is described.
  • the carrier configuration information received by the receiver further includes: a primary carrier bandwidth of the first cell and a primary carrier bandwidth of the second cell;
  • the primary carrier bandwidth of the first cell is determined according to the number of users of the first cell; and the primary carrier bandwidth of the second cell is determined according to the number of users of the second cell.
  • the channel carried in the primary carrier includes: a broadcast channel, a control channel, and a first service channel;
  • the channel carried in the secondary carrier includes: a second traffic channel.
  • the third frequency includes a first sub-frequency and a second sub-frequency
  • the baseband processing module is configured to: obtain a secondary carrier signal of the first cell by using the first sub-frequency as the secondary carrier frequency modulation; and use the second sub-frequency as the secondary carrier frequency modulation to obtain the secondary carrier signal of the second small area;
  • the medium radio frequency processing module is further configured to send the secondary carrier signal of the first cell and the secondary carrier signal of the second cell that are modulated by the baseband processing module.
  • a carrier aggregation communication system based on a long term evolution system including:
  • a first base station configured to send a primary carrier signal of the first cell by using the first frequency, where the first primary carrier signal carries the first secondary carrier information that is used for carrier aggregation with the first primary carrier
  • a second base station configured to send a primary carrier signal of the second cell by using the second frequency, where the second primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier
  • the first cell and the second cell are neighboring cells, and the first frequency is different from the second frequency
  • a network configuration server configured to send carrier configuration information of the first cell and the second cell to the first base station and the second base station, where the carrier configuration information includes a primary carrier frequency of the first cell Information and secondary carrier frequency information, and/or a primary carrier frequency signal of the second cell, and a secondary carrier frequency information;
  • a user equipment UE configured to receive a primary carrier signal of a first frequency sent by the base station in the first cell, or receive a primary carrier signal of a second frequency that is sent by the base station in the second cell; Carrier aggregation is performed according to the secondary carrier information carried in the received primary carrier signal.
  • a carrier aggregation communication system based on a long term evolution system including:
  • a base station configured to send a primary carrier signal of the first cell by using the first frequency, where the first primary carrier signal carries the first secondary carrier information that is used for carrier aggregation with the first primary carrier, the first The primary carrier signal of the cell carries the first secondary carrier information that is used for carrier aggregation with the primary carrier of the first cell; the primary carrier signal of the second cell is transmitted by using the second frequency, and the primary carrier signal of the second cell carries The second secondary carrier information of the second cell primary carrier is used for carrier aggregation, and the second primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier;
  • the cell and the second cell are adjacent cells, and the first frequency is different from the second frequency;
  • a network configuration server configured to send carrier configuration information of the first cell and the second cell to the base station;
  • the carrier configuration information includes primary carrier frequency information and secondary carrier frequency information of the first cell, and / or primary carrier frequency information and secondary carrier frequency information of the second cell;
  • the UE is configured to receive a primary carrier signal of the cell where the UE is located, and perform carrier aggregation according to the received secondary carrier information carried in the primary carrier signal.
  • Embodiments of the present invention provide a carrier aggregation communication method, apparatus, and system based on a long term evolution system, by using a first frequency to transmit a primary carrier signal of a first cell, and using a second frequency Sending a primary carrier signal of the adjacent second cell, so that the user equipment acquires the secondary carrier signal of the cell in the cell according to the received primary carrier signal to perform carrier aggregation, and uses the same frequency for the adjacent cell in the prior art.
  • the broadcast channel and the control channel carried by the primary carrier in the adjacent cell are transmitted with different frequencies, which reduces the interference between the primary carriers in the adjacent cell, and improves the broadcast channel and the control channel resistance.
  • the interference capability enables the UE to correctly receive the secondary carrier information carried in the primary carrier to effectively implement carrier aggregation.
  • FIG. 1 is a flowchart of a method for carrier aggregation communication based on a long term evolution system according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a carrier aggregation communication method based on a long term evolution system according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic diagram of frequency planning of a primary carrier frequency reuse factor of 3 according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic diagram of frequency planning of a primary carrier frequency reuse factor of 3 and a secondary carrier frequency reuse factor of 3 according to Embodiment 2 of the present invention
  • FIG. 5 is a schematic diagram of frequency planning of another primary carrier frequency reuse factor of 3 according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural diagram of a carrier aggregation communication device based on a long term evolution system according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic structural diagram of another carrier aggregation communication apparatus based on a long term evolution system according to Embodiment 3 of the present invention.
  • FIG. 8 is a schematic structural diagram of a base station according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic structural diagram of a carrier aggregation communication system based on a long term evolution system according to Embodiment 5 of the present invention
  • FIG. 10 is a schematic structural diagram of another carrier aggregation communication system based on a long term evolution system according to Embodiment 5 of the present invention.
  • An embodiment of the present invention provides a carrier aggregation communication method based on a long term evolution system. As shown in FIG. 1, the method may include:
  • the primary carrier signal of the first cell is sent by using the first frequency, and the primary carrier signal of the first cell carries the first secondary carrier information that is used for carrier aggregation with the primary carrier of the first cell.
  • An embodiment of the present invention provides a solution, which is applied to an LTE system, where a primary carrier signal of a first cell is transmitted by using a first frequency, where a primary carrier mainly carries a broadcast channel and a control channel of the first cell, or It is also possible to configure a part of the traffic channel to be carried in the primary carrier, and the broadcast channel and the control channel may be used to transmit the first secondary carrier information and other control information.
  • the first carrier signal of the second cell is sent by using the second frequency, where the second carrier primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second cell primary carrier, where the first The cell and the second cell are adjacent cells, and the first frequency is different from the second frequency.
  • the first cell adjacent to the second cell means that the coverage of the first cell is close to the coverage edge of the second cell, or the coverage of the first cell partially overlaps with the coverage of the second cell. Or the coverage of the first cell is inclusive relationship with the coverage of the second cell.
  • the first cell and the second cell may be adjacent to the first cell and the second cell.
  • the primary carrier carries a broadcast channel and a control channel of the second cell, and the broadcast channel and the control channel may be used to transmit the second secondary carrier information and other control information.
  • the interference between the broadcast channel and the control channel in the first cell and the second cell can be reduced, and the user equipment (User Equipment, UE) in the first cell can receive the primary carrier signal according to the first frequency.
  • the channel content acquires the first secondary carrier information of the first cell where the UE is located, and receives the secondary carrier signal of the first cell by using a carrier aggregation technology; similarly, the UE in the second cell can receive the primary carrier according to the second frequency.
  • the channel information of the signal acquires the second secondary carrier information of the second cell where the UE is located, and receives the secondary carrier signal of the second cell by using the carrier aggregation technology;
  • the first secondary carrier information and the second secondary carrier information may be the same, or may be Different, and the first secondary carrier information and the second secondary carrier information may be a single frequency, or may be multiple frequencies. When multiple frequencies, they may all be the same, and may be partially the same.
  • the primary carrier signal that does not interfere with each other enables the UE to correctly acquire the secondary carrier signal of the cell in the cell, thereby improving the correct rate and effectiveness of the UE carrier aggregation, and enabling the UE to obtain better services.
  • multiple carriers can be used simultaneously to serve one UE. These carriers can be continuous, discontinuous, or even cross-band.
  • the base station device can define one of the carriers as the primary carrier.
  • the carrier is defined as a secondary carrier, so that the primary carrier can control the resource allocation and management of the secondary carrier.
  • step 101 and step 102 has no sequential relationship, and in general, it may be performed simultaneously.
  • the first 'area' and the second cell may be different cells under the control of the same base station, or may be different cells under different base station control.
  • An embodiment of the present invention provides a carrier aggregation communication method based on a long-term evolution system, in which a primary carrier signal of a first cell is transmitted by using a first frequency, and a primary carrier signal of a second adjacent cell is transmitted by using a second frequency, so that The UE acquires the secondary carrier signal of the cell in the UE according to the received primary carrier signal to perform carrier aggregation, and compares the neighboring cell with the same frequency to transmit the primary carrier signal in the prior art.
  • the carrier channel and the control channel are transmitted with different frequencies, which reduces the interference between the main carriers in the adjacent cell and improves the coverage.
  • the anti-interference capability of the broadcast channel and the control channel enables the UE to correctly receive the secondary carrier information carried in the primary carrier, thereby effectively implementing carrier aggregation.
  • An embodiment of the present invention provides a carrier aggregation communication method based on a long term evolution system, as shown in FIG. 2, including:
  • the cell in the embodiment of the present invention may be different cells controlled by the same base station, or different cells controlled by different base stations, and the embodiment of the present invention is not limited herein.
  • a cell and a second cell are respectively controlled by different base stations as an example for description.
  • the first cell base station receives carrier configuration information of the first cell that is sent by the network configuration server, and the second cell base station receives carrier configuration information of the second cell that is sent by the network configuration server.
  • the first cell and the second cell are neighboring cells.
  • the first cell and the second cell are controlled by the same base station, and the carrier configuration information sent by the network configuration server to the base station may include the primary carrier frequency information of the first cell and The primary carrier frequency information of the second cell.
  • frequency reuse refers to using different frequencies to cover different cells, that is, different cells use the same frequency to transmit carriers.
  • a frequency multiplexing technique with a multiplexing factor greater than 1 may be used to transmit a broadcast channel and a control channel of the cell, where the broadcast channel and the control channel will be carried.
  • the frequency will be referred to as the primary carrier.
  • the multiplexing factor is 1, which means that the neighboring cells use the same frequency; the multiplexing factor of 2 means that the neighboring cell is divided into two parts, and the frequency used by some of the cells is different from the frequency of the other part; Other cases of such frequency reuse techniques with push reuse factors greater than one are not exemplified.
  • the frequency planning can be implemented by the network planning tool according to the deployment situation of the cell.
  • the network configuration server can send carrier configuration information to each cell, so that the base station base stations receive the The primary carrier frequency information included in the carrier configuration information of the cell transmits the primary carrier signal of the cell, and transmits the secondary carrier signal of the cell according to the secondary carrier frequency information included in the received carrier configuration information.
  • it can be:
  • the network configuration server is loaded
  • the wave frequency configuration information includes the carrier frequency configuration information of the first cell and the carrier frequency configuration information of the second cell
  • the first cell base station may receive the carrier frequency configuration of the first cell sent by the network configuration server.
  • the second cell base station may also receive carrier frequency configuration information of the second cell.
  • the network configuration server may configure a primary carrier bandwidth of the first cell according to the number of users of the first cell.
  • frequency reuse reduces the spectral efficiency, so it is necessary to reduce the bandwidth of the broadcast channel and the control channel as much as possible.
  • the Physical Downlink Control Channel (PDCCH) occupies the entire bandwidth, that is, the PDCCH and the primary carrier on the primary carrier have the same bandwidth, but only occupy part of the time (symbol).
  • the number of users that the PDCCH can manage depends mainly on the primary carrier bandwidth.
  • the control channel bandwidth needs to be configured according to the number of users in the actual application scenario, that is, the primary carrier bandwidth of the first cell is configured according to the number of users in the first cell.
  • the network configuration server may configure the primary carrier bandwidth of the second cell according to the number of users of the second cell. And the primary carrier bandwidth of the first cell is carried in the carrier configuration information and sent to the first cell base station, and the primary carrier bandwidth of the second cell is carried in the carrier configuration information and sent to the second cell base station.
  • the first cell base station sends the primary carrier signal of the first cell by using the first frequency.
  • the first cell base station may determine the first frequency according to the primary carrier frequency information included in the carrier configuration information, and then send the first frequency by using the first frequency.
  • the primary carrier signal of the cell the first primary carrier signal of the first cell carries the first secondary carrier information that is used for carrier aggregation with the primary carrier of the first cell, so that the UE can be effective according to the secondary carrier information carried in the received primary carrier signal.
  • Carrier aggregation is implemented, where the channel carried in the primary carrier may include: a broadcast channel and a control channel. When the primary carrier is idle, some of the traffic channels may also be carried in the primary carrier, and these traffic channels are transmitted with lower power.
  • the second cell base station sends the primary carrier signal of the second cell by using the second frequency.
  • the second frequency may be used to transmit a primary carrier signal of the second cell, where the second carrier primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier, so that the UE can use the secondary carrier information carried in the received primary carrier signal.
  • the second frequency is determined by the second cell base station according to the received primary carrier frequency information of the second cell included in the carrier frequency information sent by the network configuration server, and the second The frequency is different from the first frequency.
  • the third frequency is different from the first frequency and the second frequency, and the first cell and the second cell may determine the third frequency according to the secondary carrier frequency information included in the carrier configuration information sent by the received network configuration server, and The secondary carrier signals of the first cell and the second cell are transmitted by using a third frequency.
  • the channel carried in the secondary carrier mainly includes a traffic channel.
  • all the traffic channels in the cell may be divided into a relatively important traffic channel carried on the primary carrier, and a part of the relatively secondary traffic channel is carried by the secondary carrier. It can be understood that the order of execution of step 204 and step 202 and step 203 has no sequential relationship. For example, three cells are taken as an example. The three cells are adjacent to each other.
  • the LTE Time Division Duplexing (TDD) band Band. 38 frequency of 2570MHz ⁇ 2605MHz, then frequency multiplexing technology with frequency reuse factor of 3 can be used in the three cells, three main carriers and one auxiliary carrier can be defined, wherein the main carrier is configured as three 5MHz It occupies 2570MHz ⁇ 2585MHz, and the secondary carrier is configured with 20MHz, occupying 2585MHz ⁇ 2605MHz. Specifically, for the primary carrier of three neighboring cells, the first frequency of the first channel carrying the broadcast channel and the control channel is 2570 MHz to 2575 MHz, and the second frequency of the second cell carrying the broadcast channel and the control channel is 2575 MHz to 2580 MHz.
  • TDD Time Division Duplexing
  • the fourth frequency carrying the broadcast channel and the control channel in the third cell is 2580 MHz to 2585 MHz.
  • the remaining frequency range not occupied by the primary carrier can be used for the transmission of the secondary carrier, and the third frequency of the secondary carrier carrying the traffic channel of the three cells is 2585 MHz to 2605 MHz, so that the interference of the primary carrier between adjacent cells can be reduced. That is, the interference between the broadcast channel and the control channel between adjacent cells is reduced, and in order to improve the coverage quality of the primary carrier, the primary carrier may have a higher power density than the secondary carrier.
  • step 204 may include Next steps 2041 and 2042:
  • the first cell base station sends the secondary carrier signal of the first cell by using the first sub-frequency.
  • the secondary carrier signals of the first cell and the second cell may be sent by using the same frequency.
  • the secondary carrier may be designed independently of the primary carrier.
  • the network configuration tool may configure different secondary carrier frequencies for each cell when planning the frequency of each cell.
  • the carrier configuration information includes the primary carrier frequency information of the first cell and the secondary carrier frequency information of the first cell.
  • the first cell base station may determine the first sub-frequency according to the secondary carrier frequency information of the first cell included in the received carrier configuration information, and send the secondary carrier signal of the first cell by using the first sub-frequency.
  • the second cell base station sends the secondary carrier signal of the second cell by using the second sub-frequency.
  • the second cell base station may determine the second sub-frequency according to the secondary carrier frequency information of the second cell included in the received carrier configuration information, and send the secondary carrier signal of the second cell by using the second sub-frequency.
  • the second sub-frequency may be partially overlapped with the first sub-frequency or the same as the first sub-frequency. For example, as shown in FIG. 4, the operator uses a frequency reuse technique with a frequency reuse factor of 3 for the primary carrier and a frequency reuse technique with a frequency reuse factor of 3 for the secondary carrier.
  • the operator obtains the frequency of 2570MHz ⁇ 2615MHz of LTE TDD Band 38, the main carrier is configured as 3 5 ⁇ , occupying 2570 ⁇ 2585 ⁇ , and the auxiliary carrier is configured as 3 10MHz, occupying 2585MHz ⁇ 2615MHz 0 specific, for three neighbors
  • the primary carrier of the cell, the frequency 1 carrying the broadcast channel and the control channel in the first cell is 2570 MHz to 2575 MHz, and the frequency 2 carrying the broadcast channel and the control channel in the second cell is 2575 MHz to 2580 MHz, and the broadcast channel and control are carried in the third cell.
  • the frequency 3 of the channel is 2580 MHz to 2585 MHz.
  • the remaining frequency range that is not occupied by the primary carrier may be used for the transmission of the secondary carrier.
  • the secondary frequency 4 of the secondary carrier carrying the traffic channel in the first cell is 2585 ⁇ 2695 ⁇
  • the sub-frequency 5 of the secondary carrier carrying the traffic channel in the two cells is 2595 MHz to 2605 MHz
  • the sub-frequency 6 of the secondary carrier carrying the traffic channel in the third cell is 2605 MHz to 2615 MHz.
  • the secondary carrier of the third cell can also be transmitted with a different frequency than the first cell and the second cell.
  • the solution of the embodiment of the present invention may further include the following step 205: 205, the third cell
  • the base station transmits the primary carrier signal of the third cell by using the fourth frequency, where the third cell is adjacent to the first cell and the second cell, and the fourth frequency is related to the first frequency and the first Both frequencies are different.
  • the third cell when the third cell is adjacent to the first cell and the second cell at the same time, the third cell may be adjacent to or overlap with the coverage of the first cell and the second cell, and in a broad sense, may also be The third cell has the same frequency interference as the first cell, and the third cell and the second cell also have the same frequency interference.
  • the third cell base station may transmit the primary carrier signal of the third cell by using the fourth frequency, and send the third frequency by using the third frequency.
  • the fourth frequency is determined by the third cell base station according to the received frequency configuration information sent by the network configuration server.
  • the embodiment of the present invention further provides another frequency multiplexing method. Specifically, when the first cell is adjacent to the second cell, the primary frequency signal of the first cell is sent by using the first frequency, and the second frequency is used. Transmitting a primary carrier signal of the second cell; and transmitting the secondary carrier signal of the first cell by using the third frequency and the second frequency, and transmitting the second cell by using the third frequency and the first frequency Secondary carrier signal.
  • a method of frequency multiplexing is introduced by taking three cells as an example.
  • a frequency reuse scheme with a frequency reuse factor of 3 is used, for example, a frequency range obtained by an operator is 2570MHz ⁇ 2585MHz, adopt the frequency soft multiplexing method with frequency reuse factor of 3, that is, the main carrier is configured to be 3 5MHz.
  • the specific one can be: Use the frequency of 2570MHz ⁇ 2575MHz as the main of cell 1 in cell 1.
  • Frequency 1 transmits the primary carrier of the cell 1, and in the cell 2, the frequency of 2575 MHz to 2580 MHz is used as the primary frequency 2 of the cell 2 to transmit the primary carrier of the cell 2, and in the cell 3, the frequency of 2580 MHz to 2585 MHz is used.
  • the primary frequency 3 of the cell 3 transmits the primary carrier of the cell 3.
  • the secondary carrier of the cell may be transmitted by using the frequency of the other carrier to transmit the primary carrier. Specifically, the frequency of 2575 MHz to 2580 MHz and 2580 MHz to 2585 MHz may be used as the secondary frequency transmission of the cell 1 in the cell 1.
  • the secondary carrier of the cell 1 uses the frequencies of 2570 MHz to 2575 MHz and 2580 MHz to 2585 MHz in the cell 2 to transmit the secondary carrier of the cell 2 as the secondary frequency of the cell 2, and uses 2570 MHz to 2575 MHz and 2575 MHz in the cell 3.
  • the frequency of 2580 MHz is used as the secondary frequency of the cell 3 to transmit the secondary carrier of the cell 3. In this way, the interference of the primary carrier between adjacent cells can be reduced, and the anti-interference capability of the broadcast channel and the control channel can be improved.
  • the case of the neighboring cell is not limited to the case of three neighboring cells exemplified in the embodiment, and two cells may be adjacent to each other or more cells, and the mutual coverage of the small interval may be The relationship can also be determined according to the actual situation. Therefore, the multiplexing factor of the primary carrier frequency can also be adjusted accordingly. For example, a multiplexing factor with a multiplexing factor of 2, 4 or greater can be adjusted according to the anti-interference requirement.
  • An embodiment of the present invention provides a carrier aggregation communication method based on a long-term evolution system, in which a primary carrier signal of a first cell is transmitted by using a first frequency, and a primary carrier signal of a second adjacent cell is transmitted by using a second frequency, so that The UE acquires the secondary carrier signal of the cell in the UE according to the received primary carrier signal to perform carrier aggregation, and compares the neighboring cell with the same frequency to transmit the primary carrier signal in the prior art.
  • the carrier channel and the control channel are transmitted with different frequencies, which reduces the interference between the primary carriers in the neighboring cells, improves the anti-interference capability of the broadcast channel and the control channel, and enables the UE to correctly receive the carried in the primary carrier.
  • the secondary carrier information can thus effectively implement carrier aggregation.
  • the secondary carrier can also design a frequency reuse scheme independently of the primary carrier, further divide the available frequency range of the secondary carrier into a sub-frequency range, thereby reducing interference of the secondary carrier between adjacent cells, thereby not only improving the broadcast channel and control.
  • the anti-interference capability of the channel can also reduce the interference of the traffic channel between adjacent cells.
  • An embodiment of the present invention provides a carrier aggregation communication device based on a long term evolution system.
  • the first cell and the second cell are respectively controlled by different base stations as an example.
  • the method includes: Unit 31, second transmitting unit 32.
  • the first sending unit 3 1 is configured to send a primary carrier signal of the first cell by using the first frequency, where the first primary carrier signal carries the first secondary carrier information that is used for carrier aggregation with the first primary carrier. .
  • the second sending unit 32 is configured to send a primary carrier signal of the second cell by using the second frequency, where the second primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier;
  • the first cell and the second cell are adjacent cells, and the first frequency is different from the second frequency.
  • the apparatus may further include: a third sending unit 33.
  • a third sending unit 33 configured to send a secondary carrier signal of the first cell and the second cell by using a third frequency, where the third frequency is different from the first frequency and the second frequency .
  • the third unit 33 may further include: a first sending module 33 1 and a second sending module 332.
  • the first sending module 33 1 is configured to send the secondary carrier signal of the first cell by using the third frequency and the second frequency.
  • the second sending module 332 is configured to send the secondary carrier signal of the second cell by using the third frequency and the first frequency.
  • the apparatus may further include: a fourth sending unit 34.
  • the fourth sending unit 34 is configured to send a primary carrier signal of the third cell by using the fourth frequency, where the third cell is adjacent to the first cell and the second cell, and the fourth frequency is The first frequency and the second frequency are all different.
  • the device may further include: a receiving unit 35.
  • the receiving unit 35 is configured to receive carrier configuration information of the first 'region and/or the second cell, where the carrier configuration information includes primary carrier frequency information, secondary carrier frequency information, and/or information of the first cell Or primary carrier frequency information of the second cell.
  • the carrier configuration information further includes: a primary carrier bandwidth of the first cell and a primary carrier bandwidth of the second cell, where the primary carrier bandwidth of the first cell is determined according to the number of users of the first cell The primary carrier bandwidth of the second cell is determined according to the number of users of the second cell.
  • the channel carried in the primary carrier includes: a broadcast channel, a control channel, and a first traffic channel; and the channel carried in the secondary carrier includes: a second traffic channel.
  • the third frequency includes a first sub-frequency and a second sub-frequency
  • the third sending unit 33 further includes: a third sending module 333 and a fourth sending module 334.
  • the third sending module 333 is configured to send the secondary carrier signal of the first cell by using the first sub-frequency.
  • the fourth sending module 334 is configured to send the secondary carrier signal of the second cell by using the second sub-frequency.
  • An embodiment of the present invention provides a carrier aggregation communication device based on a long-term evolution system, by transmitting a primary carrier signal of a first cell by using a first frequency, and transmitting a primary carrier signal of a second adjacent cell by using a second frequency, so that The UE acquires the secondary carrier signal of the cell in the UE according to the received primary carrier signal to perform carrier aggregation, and compares the neighboring cell with the same frequency to transmit the primary carrier signal in the prior art.
  • the carrier channel and the control channel are transmitted with different frequencies, which reduces the interference between the primary carriers in the neighboring cells, improves the anti-interference capability of the broadcast channel and the control channel, and enables the UE to correctly receive the carried in the primary carrier.
  • the secondary carrier information can thus effectively implement carrier aggregation.
  • the secondary carrier can also design a frequency reuse scheme independently of the primary carrier, further divide the available frequency range of the secondary carrier into a sub-frequency range, thereby reducing interference of the secondary carrier between adjacent cells, thereby not only improving the broadcast channel and control.
  • the anti-interference capability of the channel can also reduce the interference of the traffic channel between adjacent cells.
  • the embodiment of the present invention provides a base station, where the base station includes: a baseband processing module 41 and a medium frequency processing module 42, as shown in FIG.
  • the baseband processing module 41 is configured to obtain a primary carrier signal of the first cell by using the first frequency as the primary carrier frequency modulation.
  • the baseband processing module 41 is further configured to use the second frequency as the primary carrier frequency modulation The primary carrier signal to the second cell.
  • the intermediate radio frequency processing module 42 is configured to send the primary carrier signal of the first cell and the primary carrier signal of the second cell modulated by the baseband processing module 41, where the first cell primary carrier signal carries a first secondary carrier information that is used for carrier aggregation with the first cell primary carrier, where the second primary carrier signal carries second secondary carrier information that is used for carrier aggregation with the second primary carrier;
  • the first cell and the second cell are adjacent cells, and the first frequency is different from the second frequency.
  • the baseband processing module 41 is further configured to: obtain a secondary carrier signal of the first cell and a secondary carrier signal of the second cell by using a third frequency as a secondary carrier frequency modulation; wherein the third frequency Different from the first frequency and the second frequency.
  • the medium radio frequency processing module 42 is further configured to send the secondary carrier signal of the first cell and the secondary carrier signal of the second cell that are modulated by the baseband processing module 41.
  • the baseband processing module 41 is further configured to obtain the secondary carrier signal of the first cell by using the third frequency and the second frequency as a secondary carrier frequency modulation.
  • the baseband processing module 41 is further configured to obtain the secondary carrier signal of the second cell by using the third frequency and the first frequency as a secondary carrier frequency modulation.
  • the medium radio frequency processing module 42 is further configured to send the secondary carrier signal of the first cell and the secondary carrier signal of the second cell that are modulated by the baseband processing module 41.
  • the baseband processing module 41 is further configured to obtain a primary carrier signal of the third cell by using the fourth frequency as the primary carrier frequency modulation.
  • the medium radio frequency processing module 42 is further configured to send a primary carrier signal of the third cell that is modulated by the baseband processing module 41, where the third cell and the first cell and the second cell Adjacent, the fourth frequency is different from the first frequency and the second frequency.
  • the base station may further include: a receiver 43.
  • the receiver 43 is configured to receive carrier configuration information of the first cell and/or the second cell, where the carrier configuration information includes primary carrier frequency information, secondary carrier frequency information, and/or information of the first cell.
  • the primary carrier frequency information of the second cell includes primary carrier frequency information, secondary carrier frequency information, and/or information of the first cell.
  • the carrier configuration information received by the receiver 43 further includes: a primary carrier bandwidth of the first cell and a primary carrier bandwidth of the second cell;
  • the primary carrier bandwidth of the first cell is determined according to the number of users of the first cell; and the primary carrier bandwidth of the second cell is determined according to the number of users of the second cell.
  • the channel carried in the primary carrier includes: a broadcast channel, a control channel, and a first traffic channel; and the channel carried in the secondary carrier includes: a second traffic channel.
  • the third frequency includes a first sub-frequency and a second sub-frequency
  • the baseband processing module 41 is configured to use the first sub-frequency as a secondary carrier frequency modulation to obtain a secondary carrier signal of the first cell;
  • the second sub-frequency is modulated as a secondary carrier frequency to obtain a secondary carrier signal of the second cell.
  • the medium radio frequency processing module 42 is further configured to send the secondary carrier signal of the first cell and the secondary carrier signal of the second cell that are modulated by the baseband processing module 41.
  • the embodiment of the present invention provides a base station, by transmitting a primary carrier signal of a first cell by using a first frequency, and transmitting a primary carrier signal of a second neighboring cell by using a second frequency, so that the user equipment UE receives the received
  • the primary carrier signal acquires the secondary carrier signal of the cell in the cell to perform carrier aggregation, and compares the broadcast channel carried by the primary carrier in the neighboring cell with the same frequency in the prior art.
  • the control channel is transmitted with different frequencies, which reduces the interference between the primary carriers in the neighboring cells, and improves the anti-interference capability of the broadcast channel and the control channel, so that the UE can correctly receive the secondary carrier information carried in the primary carrier, which can be effective. Implement carrier aggregation.
  • the secondary carrier can also design a frequency reuse scheme independently of the primary carrier, further divide the available frequency range of the secondary carrier into a sub-frequency range, thereby reducing interference of the secondary carrier between adjacent cells, thereby not only improving the broadcast channel and control.
  • the anti-interference capability of the channel can also reduce the interference of the traffic channel between adjacent cells.
  • An embodiment of the present invention provides a carrier aggregation communication system based on a long term evolution system.
  • the first cell and the second cell are controlled by the same base station, as shown in FIG.
  • the system can include: a network configuration server 51, a base station 52, and a user equipment 53.
  • the network configuration server 51 is configured to send carrier configuration information of the first cell and the second cell to the base station 52.
  • the base station 52 is configured to receive carrier configuration information of the first cell and the second cell that are sent by the network configuration server 51, where the carrier configuration information includes primary carrier frequency information and a secondary carrier of the first cell. Frequency information and primary carrier frequency information of the second cell, and transmitting a primary carrier signal of the first cell by using the first frequency, where the first primary carrier signal carries carrier aggregation with the first primary carrier And transmitting, by the second frequency, a primary carrier signal of the second cell, where the second primary carrier signal carries the second secondary carrier information that is used for carrier aggregation with the second primary carrier;
  • the first cell and the second cell are neighboring cells, and the first frequency is different from the second frequency.
  • the user equipment 53 is configured to receive a primary carrier signal of a first frequency sent by the base station 52 in a first cell, or receive a primary carrier signal of a second frequency sent by the base station 52 in a second cell, and Performing carrier aggregation according to the received secondary carrier information carried in the primary carrier signal.
  • the first cell and the second cell are respectively controlled by different base stations.
  • the system may include: a network configuration server 61, a first base station 62, a second base station 63, and a user equipment. 64.
  • the network configuration server 61 is configured to send carrier configuration information of the first cell to the first base station 62, and send carrier configuration information of the second cell to the second base station 63.
  • the first base station 62 is configured to receive carrier configuration information of the first cell sent by the network configuration server 61, and send a primary carrier signal of the first cell by using the first frequency, where the first cell primary carrier signal is used. Carrying first secondary carrier information for performing carrier aggregation with the first cell primary carrier.
  • the second base station 63 is configured to receive carrier configuration information of the second cell sent by the network configuration server 61, and send a primary carrier signal of the second cell by using the second frequency, where the second cell primary carrier signal carries The second secondary carrier information that is used for carrier aggregation with the second cell primary carrier, where the first cell and the second cell are neighboring cells, and the first frequency is different from the second frequency.
  • the user equipment 64 is configured to receive a primary carrier signal of a first frequency sent by the first base station 62 in a first cell, or receive a primary of a second frequency sent by the second base station 63 in a second cell. And performing carrier aggregation according to the received secondary carrier information carried in the primary carrier signal.
  • An embodiment of the present invention provides a carrier aggregation communication system based on a long-term evolution system, by transmitting a primary carrier signal of a first cell by using a first frequency, and transmitting a primary carrier signal of an adjacent second cell by using a second frequency, so that The UE acquires the secondary carrier signal of the cell in the UE according to the received primary carrier signal to perform carrier aggregation, and compares the neighboring cell with the same frequency to transmit the primary carrier signal in the prior art.
  • the carrier channel and the control channel are transmitted with different frequencies, which reduces the interference between the primary carriers in the neighboring cells, improves the anti-interference capability of the broadcast channel and the control channel, and enables the UE to correctly receive the carried in the primary carrier.
  • the secondary carrier information can thus effectively implement carrier aggregation.
  • the secondary carrier can also design a frequency reuse scheme independently of the primary carrier, further divide the available frequency range of the secondary carrier into a sub-frequency range, thereby reducing interference of the secondary carrier between adjacent cells, thereby not only improving the broadcast channel and control.
  • the anti-interference capability of the channel can also reduce the interference of the traffic channel between adjacent cells.
  • 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

本发明实施例公开了一种基于长期演进系统的载波聚合通信方法、装置及系统，涉及通信领域，提升了广播信道和控制信道的抗干扰能力，便于UE进行载波聚合。具体方案为：采用第一频率发送第一小区的主载波信号，所述第一小区主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅载波信息；采用第二频率发送第二小区的主载波信号，所述第二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅载波信息；其中，所述第一小区与所述第二小区为相邻小区，所述第一频率与所述第二频率不同。本发明用于载波聚合通信的过程中。

Description

一种基于长期演进系统的载波聚合通信方法、 装置及系统 技术领域
本发明涉及通信领域， 尤其涉及一种基于长期演进系统的载波聚合 通信方法、 装置及系统。
背景技术
在移动通信技术中， 有限的频谱资源是限制系统性能提高的一个主 要因素， 随着移动用户的快速增长及新业务对高效数据传输的要求， 如何 有效提高频谱效率成为了业界的研究热点，有效的频率规划是提高频谱效 率的方法之一。 蜂窝通信是解决频率不足的一项重要技术， 其中， 广播信 道和控制信道是蜂窝通信中的最基本的信道，需要覆盖小区覆盖范围内的 所有用户， 没有良好的广播信道和控制信道覆盖， 就无法获得良好的蜂窝 服务， 因此需要确保广播信道和控制信道的链路预算和抗干扰能力。
在目前的长期演进 ( Time Division-Long Term Evolution , LTE ) 网络 中， 所有的小区中都使用相同的频率发送广播信道和控制信道， 也就是说 同一频段上可以搜索到两个或者更多小区的广播信道和控制信息，使得相 邻小区间存在同频干扰的问题，这样用户会由于不能正确的接收所处小区 的广播信道和控制信道， 因而不能获得正确的业务信道信息， 导致 UE不 能正确进行载波聚合， 从而无法获得运营商提供的服务。
因此急需一种可以提高相邻小区之间广播信道和控制信道抗干扰能 力的方案， 解决 UE无法正确进行载波聚合的问题。
发明内容
本发明的实施例提供一种基于长期演进系统的载波聚合通信方法、 装置及系统， 提升了广播信道和控制信道的抗干扰能力， 便于 UE正确进 行载波聚合。
本发明的第一方面， 提供一种基于长期演进系统的载波聚合通信方 法， 包括：
釆用第一频率发送第一小区的主载波信号， 所述第一小区主载波信 号中携带与所述第一小区主载波进行载波聚合的第一辅载波信息； 釆用第二频率发送第二小区的主载波信号， 所述第二小区主载波信 号中携带与所述第二小区主载波进行载波聚合的第二辅载波信息， 其中， 所述第一小区与所述第二小区为相邻小区，所述第一频率与所述第二频率 不同。
结合第一方面， 在一种可能的实现方式中， 还包括：
釆用第三频率发送所述第一小区和所述第二小区的辅载波信号； 其 中所述第三频率与所述第一频率和所述第二频率均不同。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述釆用第三频率发送所述第一小区和所述第二小区的辅载波信号，进一 步包括：
釆用所述第三频率和所述第二频率发送所述第一小区的辅载波信 号；
釆用所述第三频率和所述第一频率发送所述第二小区的辅载波信 号。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述方法还包括：
釆用第四频率发送第三小区的主载波信号； 其中， 所述第三小区与 所述第一小区及所述第二小区相邻，所述第四频率与所述第一频率和第二 频率均不同。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述方法还包括：
接收所述第一小区和 /或所述第二小区的载波配置信息； 其中， 所述 载波配置信息中包含第一小区的主载波频率信息、 辅载波频率信息和 /或 所述第二小区的主载波频率信息。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述载波配置信息中还包含：第一小区的主载波带宽和第二小区的主载波 带宽；
其中， 所述第一小区的主载波带宽为根据所述第一小区的用户数量 确定的；所述第二小区的主载波带宽为根据所述第二小区的用户数量确定 的。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述主载波中承载的信道包括： 广播信道、 控制信道和第一业务信 道；
所述辅载波中承载的信道包括： 第二业务信道。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述第三频率包括第一子频率和第二子频率；所述釆用第三频率发送所述 第一小区和所述第二小区的辅载波信号， 包括：
釆用第一子频率发送所述第一小区的辅载波信号；
釆用第二子频率发送所述第二小区的辅载波信号。
结合第一方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述主载波信号的功率大于或等于辅载波信号的功率。
本发明的第二方面， 提供一种基于长期演进系统的载波聚合通信装 置， 包括：
第一发送单元， 用于釆用第一频率发送第一小区的主载波信号， 所 述第一小区主载波信号中携带与所述第一小区主载波进行载波聚合的第 一辅载波信息；
第二发送单元， 用于釆用第二频率发送第二小区的主载波信号， 所 述第二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第 二辅载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所述第 一频率与所述第二频率不同。
结合第二方面， 在一种可能的实现方式中， 还包括：
第三发送单元， 用于釆用第三频率发送所述第一小区和所述第二小 区的辅载波信号；其中所述第三频率与所述第一频率和所述第二频率均不 同。
结合第二方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述第三发送单元， 进一步包括：
第一发送模块， 用于釆用所述第三频率和所述第二频率发送所述第 一小区的辅载波信号；
第二发送模块， 用于釆用所述第三频率和所述第一频率发送所述第 二小区的辅载波信号。
结合第二方面和上述可能的实现方式， 在另一种可能的实现方式中， 还包括：
第四发送单元， 用于釆用第四频率发送第三小区的主载波信号； 其 中， 所述第三小区与所述第一小区及所述第二小区相邻， 所述第四频率与 所述第一频率和第二频率均不同。
结合第二方面和上述可能的实现方式， 在另一种可能的实现方式中， 还包括：
接收单元， 用于接收所述第一小区和 /或所述第二小区的载波配置信 息； 其中， 所述载波配置信息中包含第一小区的主载波频率信息、 辅载波 频率信息和 /或所述第二小区的主载波频率信息。
结合第二方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述载波配置信息中还包含：第一小区的主载波带宽和第二小区的主载波 带宽；
其中， 所述第一小区的主载波带宽为根据所述第一小区的用户数量 确定的；所述第二小区的主载波带宽为根据所述第二小区的用户数量确定 的。
结合第二方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述主载波中承载的信道包括： 广播信道、 控制信道和第一业务信 道；
所述辅载波中承载的信道包括： 第二业务信道。
结合第二方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述第三频率包括第一子频率和第二子频率；
所述第三发送单元， 还包括：
第三发送模块， 用于釆用第一子频率发送所述第一小区的辅载波信 号；
第四发送模块， 用于釆用第二子频率发送所述第二小区的辅载波信 号。
本发明的第三方面， 提供一种基站， 包括：
所述基带处理模块， 用于釆用第一频率作为主载波频率调制得到第 一小区的主载波信号；
所述基带处理模块， 还用于釆用第二频率作为主载波频率调制得到 第二小区的主载波信号；
所述中射频处理模块， 用于发送所述基带处理模块调制得到的所述 第一小区的主载波信号和所述第二小区的主载波信号，所述第一小区主载 波信号中携带与所述第一小区主载波进行载波聚合的第一辅载波信息，所 述第二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第 二辅载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所述第 一频率和所述第二频率不同。
结合第三方面， 在一种可能的实现方式中，
所述基带处理模块， 还用于釆用第三频率作为辅载波频率调制得到 所述第一小区的辅载波信号和所述第二小区的辅载波信号；其中所述第三 频率与所述第一频率和所述第二频率均不同；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所 述第一小区的辅载波信号和所述第二小区的辅载波信号。
结合第三方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述基带处理模块， 还用于釆用所述第三频率和所述第二频率作为 辅载波频率调制得到所述第一小区的辅载波信号；
所述基带处理模块， 还用于釆用所述第三频率和所述第一频率作为 辅载波频率调制得到所述第二小区的辅载波信号；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所 述第一小区的辅载波信号和所述第二小区的辅载波信号。
结合第三方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述基带处理模块， 还用于釆用第四频率作为主载波频率调制得到 第三小区的主载波信号；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所 述第三小区的主载波信号； 其中， 所述第三小区与所述第一小区及所述第 二小区相邻， 所述第四频率与所述第一频率和第二频率均不同。
结合第三方面和上述可能的实现方式， 在另一种可能的实现方式中， 还包括：
接收器，用于接收所述第一小区和 /或所述第二小区的载波配置信息； 其中， 所述载波配置信息中包含第一小区的主载波频率信息、辅载波频率 信息和 /或所述第二小区的主载波频率信息。
结合第三方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述接收器接收的载波配置信息中还包含：第一小区的主载波带宽和第二 小区的主载波带宽；
其中， 所述第一小区的主载波带宽为根据所述第一小区的用户数量 确定的；所述第二小区的主载波带宽为根据所述第二小区的用户数量确定 的。
结合第三方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述主载波中承载的信道包括： 广播信道、 控制信道和第一业务信 道；
所述辅载波中承载的信道包括： 第二业务信道。
结合第三方面和上述可能的实现方式， 在另一种可能的实现方式中， 所述第三频率包括第一子频率和第二子频率；
所述基带处理模块， 用于釆用第一子频率作为辅载波频率调制得到 第一小区的辅载波信号；釆用第二子频率作为辅载波频率调制得到第二小 区的辅载波信号；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所 述第一小区的辅载波信号和所述第二小区的辅载波信号。
本发明的第四方面， 提供一种基于长期演进系统的载波聚合通信系 统， 包括：
第一基站， 用于釆用第一频率发送第一小区的主载波信号， 所述第 一小区主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅 载波信息； 第二基站， 用于釆用第二频率发送第二小区的主载波信号， 所述第 二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅 载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所述第一频 率与所述第二频率不同；
网络配置服务器， 用于向所述第一基站和所述第二基站发送所述第 一小区和所述第二小区的载波配置信息，所述载波配置信息包含所述第一 小区的主载波频率信息和辅载波频率信息， 和 /或所述第二小区的主载波 频率信, ^和辅载波频率信息；
用户设备 UE , 用于在所述第一小区中接收所述基站发送的第一频率 的主载波信号，或在所述第二小区中接收所述基站发送的第二频率的主载 波信号； 并根据接收到的主载波信号中携带的辅载波信息进行载波聚合。
本发明的第五方面， 提供一种基于长期演进系统的载波聚合通信系 统， 包括：
基站， 用于釆用第一频率发送第一小区的主载波信号， 所述第一小 区主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅载波 信息，所述第一小区主载波信号中携带与所述第一小区主载波进行载波聚 合的第一辅载波信息； 釆用第二频率发送第二小区的主载波信号， 所述第 二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅 载波信息，所述第二小区主载波信号中携带与所述第二小区主载波进行载 波聚合的第二辅载波信息； 其中， 所述第一小区与所述第二小区为相邻小 区， 所述第一频率与所述第二频率不同；
网络配置服务器， 用于向所述基站发送所述第一小区和所述第二小 区的载波配置信息；所述载波配置信息包含所述第一小区的主载波频率信 息和辅载波频率信息， 和 /或所述第二小区的主载波频率信息和辅载波频 率信息；
UE, 用于接收所述 UE所在小区的主载波信号， 并根据接收到的所 述主载波信号中携带的辅载波信息进行载波聚合。
本发明实施例提供一种基于长期演进系统的载波聚合通信方法、 装 置及系统， 通过釆用第一频率发送第一小区的主载波信号， 釆用第二频率 发送相邻的第二小区的主载波信号，以便于用户设备根据接收到的主载波 信号获取所在小区的辅载波信号以进行载波聚合，与现有技术中对相邻的 小区釆用相同的频率发送主载波信号相比，将相邻小区中的主载波承载的 广播信道和控制信道釆用不同频率进行发送，减小了相邻小区中主载波间 的干扰， 提升了广播信道和控制信道抗干扰能力， 使得 UE能够正确的接 收主载波中携带的辅载波信息从而有效实现载波聚合。
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简单地介绍， 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性的前提下， 还可以根据这些附图获得其 他的附图。
图 1 为本发明实施例 1 提供的一种基于长期演进系统的载波聚合通 信方法流程图；
图 2为本发明实施例 2提供的一种基于长期演进系统的载波聚合通 信方法流程图；
图 3为本发明实施例 2提供的主载波频率复用因子为 3 的频率规划 示意图；
图 4为本发明实施例 2提供的主载波频率复用因子为 3、辅载波频率 复用因子为 3的频率规划示意图；
图 5为本发明实施例 2提供的另一种主载波频率复用因子为 3 的频 率规划示意图；
图 6为本发明实施例 3提供的一种基于长期演进系统的载波聚合通 信装置组成示意图；
图 7为本发明实施例 3提供的另一种基于长期演进系统的载波聚合 通信装置组成示意图；
图 8为本发明实施例 4提供的一种基站组成示意图；
图 9为本发明实施例 5提供的一种基于长期演进系统的载波聚合通 信系统组成示意图； 图 10为本发明实施例 5提供的另一种基于长期演进系统的载波聚合 通信系统组成示意图。
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
本发明实施例提供一种基于长期演进系统的载波聚合通信方法， 如 图 1所示， 该方法可以包括：
101、 釆用第一频率发送第一小区的主载波信号， 所述第一小区主载 波信号中携带与所述第一小区主载波进行载波聚合的第一辅载波信息。
其中， 随着移动通信网络的发展， 业务类型不断增多， 如何利用有 限的频谱资源使得新业务能够高效的传输， 已成为业界研究的热点。在本 发明实施例提供一种解决方案， 应用于 LTE 系统中， 釆用第一频率发送 第一小区的主载波信号， 其中， 主载波主要承载所述第一小区的广播信道 和控制信道， 或者还可以配置部分业务信道承载在主载波中， 广播信道和 控制信道可以用于传输第一辅载波信息和其他控制信息。
102、 釆用第二频率发送第二小区的主载波信号， 所述第二小区主载 波信号中携带与所述第二小区主载波进行载波聚合的第二辅载波信息，其 中， 所述第一小区与所述第二小区为相邻小区， 所述第一频率与所述第二 频率不同。
其中， 所述第一小区与所述第二小区相邻是指第一小区的覆盖范围 与第二小区的覆盖范围边缘接近，或者第一小区的覆盖范围与第二小区的 覆盖范围有部分重叠或第一小区的覆盖范围与第二小区的覆盖范围存在 包含关系， 广义的， 所述第一小区与所述第二小区相邻可以是指所述第一 小区和所述第二小区之间存在同频干扰。在与所述第一小区相邻的第二小 区， 釆用与所述第一频率不同的第二频率发送第二小区的主载波信号。 其 中， 主载波承载第二小区的广播信道和控制信道， 广播信道和控制信道可 以用于传输第二辅载波信息和其他控制信息。这样可以减小所述第一小区 和第二小区中广播信道和控制信道之间的干扰， 同时， 第一小区中的用户 设备 ( User Equipment , UE )可以根据接收到第一频率的主载波信号的信 道内容获取 UE所在的第一小区的第一辅载波信息，通过载波聚合技术接 收第一小区的辅载波信号； 类似的， 第二小区中的 UE就可以根据接收到 第二频率的主载波信号的信道内容获取 UE 所在的第二小区的第二辅载 波信息， 通过载波聚合技术接收第二小区的辅载波信号； 第一辅载波信息 和第二辅载波信息可以是相同的， 也可以是不同的， 并且第一辅载波信息 和第二辅载波信息可以是单个的频率， 也可以是多个的频率， 当为多个频 率时， 可以是全部相同， 可以是部分相同。 互不干扰的主载波信号使得 UE可以正确获取所在小区的辅载波信号， 从而提高 UE载波聚合的正确 率和有效性， 让 UE可以获得更好的服务。 其中， 在载波聚合技术中， 可 以同时使用多个载波为一个 UE服务，这些载波可以是连续的、不连续的， 甚至可以是跨频带的，基站设备可以把其中一个载波定义为主载波， 其他 的载波定义为辅载波，这样就可以由主载波来控制辅载波的资源分配和管 理。
在本实施例中， 步骤 101 和步骤 102 的执行顺序没有先后关系， 一 般情况下也可以是同时执行。所述第一' 区和第二小区可以是同一个基站 控制下的不同小区， 也可以是不同基站控制下的不同小区。
需要说明的是， 本发明实施例提供的基于长期演进系统的载波聚合 通信方法中部分步骤的具体描述， 可以参考实施例 2-5中对应内容， 本发 明实施例这里将不再——赘述。
本发明实施例提供一种基于长期演进系统的载波聚合通信方法， 通 过釆用第一频率发送第一小区的主载波信号，釆用第二频率发送相邻的第 二小区的主载波信号， 以便于 UE根据接收到的主载波信号获取所在小区 的辅载波信号以进行载波聚合，与现有技术中对相邻的小区釆用相同的频 率发送主载波信号相比，将相邻小区中的主载波承载的广播信道和控制信 道釆用不同频率进行发送， 减小了相邻小区中主载波间的干扰，提升了广 播信道和控制信道抗干扰能力，使得 UE能够正确的接收主载波中携带的 辅载波信息从而可以有效实现载波聚合。
实施例 2
本发明实施例提供一种基于长期演进系统的载波聚合通信方法， 如 图 2所示， 包括：
需要说明的是， 本发明实施例中所述的小区可以由同一个基站控制 的不同小区， 也可以由不同的基站控制的不同小区， 本发明实施例在此不 做限制，本实施例以第一小区和第二小区分别由不同的基站控制为例进行 说明。
201、 第一小区基站接收网络配置服务器发送的所述第一小区的载波 配置信息；第二小区基站接收网络配置服务器发送的所述第二小区的载波 配置信息。
其中， 所述第一小区与所述第二小区为相邻小区。 在本实施例的另 一种实现方式中， 第一小区和第二小区由同一基站控制， 则网络配置服务 器发送给基站的所述载波配置信息中可以同时包含第一小区的主载波频 率信息和所述第二小区的主载波频率信息。
其中， 在 LTE网络中， 频率复用 （ frequency Reuse , FR ) 是指使用 同一频率覆盖不同的小区， 即不同小区釆用相同的频率发送载波。 为了使 得不同小区的广播信道和控制信道之间的干扰减小，可以釆用复用因子大 于 1的频率复用技术来发送小区的广播信道和控制信道， 其中， 将承载广 播信道和控制信道的频率将称为主载波。 复用因子为 1 , 是指相邻小区都 使用相同的频率； 复用因子为 2是指相邻小区被分为两部分， 其中一部分 小区釆用的频率和另一部分釆用的频率不同； 以此类推复用因子大于 1 的频率复用技术的其他情况不再举例说明。频率的规划可以由网规工具根 据小区的部署情况来实现， 在规划好各个小区的载波配置信息以后， 可以 通过网络配置服务器向各个小区下发载波配置信息，以便于各个小区基站 根据接收到的该小区的载波配置信息中包含的主载波频率信息来发送该 小区的主载波信号，并根据接收到的载波配置信息中的包含的辅载波频率 信息发送该小区的辅载波信号。 具体的可以是： 当网络配置服务器中的载 波频率配置信息中包含第一小区的载波频率配置信息和第二小区的载波 频率配置信息时，那么所述第一小区基站就可以接收到所述网络配置服务 器发送的第一小区的载波频率配置信息，所述第二小区基站也可以接收到 所述第二小区的载波频率配置信息。
并且， 网络配置服务器可以根据所述第一小区的用户数量， 配置所 述第一小区的主载波带宽。 其中， 频率复用降低了频谱效率， 因此需要尽 可能减低广播信道和控制信道的带宽。 在 LTE 系统中， 下行控制信道 ( Physical Downlink Control Channel , PDCCH ) 占用全部的带宽， 即主载 波上的 PDCCH和主载波具有相同的带宽， 但只占用部分时间 （符号）。 当 PDCCH的时间 （符号） 配置确定下来以后， PDCCH能够管理的用户 数量主要取决于主载波带宽。 为了保证 PDCCH能够管理第一小区内的所 有用户， 需要根据实际应用场景下的用户数量来合理配置控制信道带宽， 即根据第一小区的用户数量配置所述第一小区的主载波带宽。
同样的， 网络配置服务器可以根据所述第二小区的用户数量， 配置 所述第二小区的主载波带宽。且可以将第一小区的主载波带宽携带在载波 配置信息中发送给第一小区基站和将第二小区的主载波带宽携带在载波 配置信息中发送给第二小区基站。
202、 第一小区基站釆用第一频率发送第一小区的主载波信号。
其中， 第一小区基站在接收到所述网络配置服务器发送的载波配置 信息之后，可以根据所述载波配置信息中包含的主载波频率信息确定第一 频率， 然后使用所述第一频率发送第一小区的主载波信号， 该第一小区主 载波信号中携带与第一小区主载波进行载波聚合的第一辅载波信息，以便 于 UE 根据接收到的主载波信号中携带的辅载波信息从而可以有效实现 载波聚合， 其中， 所述主载波中承载的信道可以包括： 广播信道和控制信 道。 当主载波有空闲时， 也可以在主载波中承载部分业务信道， 并釆用较 低的功率发送这些业务信道。
203、 第二小区基站釆用第二频率发送第二小区的主载波信号。
其中， 当第二小区与所述第一小区相邻时， 为了减小所述第一小区 和所述第二小区的广播信道和控制信道的干扰，可以釆用第二频率发送第 二小区的主载波信号，该第二小区主载波信号中携带与第二小区主载波进 行载波聚合的第二辅载波信息， 以便于 U E根据接收到的主载波信号中携 带的辅载波信息从而可以有效实现载波聚合， 其中， 所述第二频率是第二 小区基站根据接收到的所述网络配置服务器发送的载波频率信息中包含 的第二小区的主载波频率信息确定的， 且所述第二频率与第一频率不同。
204、 釆用第三频率发送所述第一小区和所述第二小区的辅载波信 号。
其中， 第三频率与第一频率和第二频率均不同， 第一小区和第二小 区可以根据接收到的网络配置服务器发送的载波配置信息中包含的辅载 波频率信息确定第三频率，并釆用第三频率发送所述第一小区和第二小区 的辅载波信号。 所述辅载波中承载的信道主要包括业务信道， 当然， 小区 中的全部业务信道可以划分部分相对重要的业务信道承载在主载波上，部 分相对次要的业务信道由辅载波进行承载。 可以理解的是， 步骤 204和步 骤 202、 步骤 203的执行顺序没有先后关系。 例如， 以 3个小区为例进行 介绍， 其中， 所述 3 个小区两两相邻， 如图 3 所示， 若某运营商获得了 LTE 时分双工（Time Division Duplexing , TDD) 频段 （Band ) 38 的 2570MHz~2605MHz的频率，那么在所述 3个小区可以釆用频率复用因子 为 3的频率复用技术， 可以定义 3个主载波和 1个辅载波， 其中主载波配 置为 3 个 5MHz, 占用 2570MHz~2585MHz, 辅载波配置 20MHz, 占用 2585MHz~2605MHz。 具体的， 对于三个相邻小区的主载波， 第一小区中 承载广播信道和控制信道的第一频率为 2570MHz~2575MHz, 第二小区中 承载广播信道和控制信道的第二频率为 2575MHz~2580MHz, 第三小区中 承载广播信道和控制信道的第四频率为 2580MHz~2585MHz。剩余未被主 载波占用的频率范围可以用于辅载波的发送，承载 3个小区的业务信道的 辅载波的第三频率为 2585MHz~2605MHz,这样就可以减小相邻小区间主 载波的干扰， 即减小相邻小区间广播信道和控制信道的干扰， 并且为了提 升主载波的覆盖质量， 主载波可以比辅载波有更高的功率密度。
进一步可选的， 为了在减小相邻小区的辅载波之间的干扰， 也可以 釆用不同的频率发送第一小区和第二小区的辅载波，步骤 204可以包括以 下步骤 2041和 2042 :
2041、 第一小区基站釆用第一子频率发送所述第一小区的辅载波信 号。
其中， 可以釆用相同的频率来发送所述第一小区和第二小区的辅载 波信号， 为了进一步的减小相邻小区间辅载波的干扰， 辅载波可以独立于 主载波设计频率复用方案， 即网规工具可以在规划各个小区频率时， 为每 个小区配置不同的辅载波频率，此时所述载波配置信息中包含第一小区的 主载波频率信息、第一小区的辅载波频率信息和第二小区的主载波频率信 息、 第二小区的辅载波频率信息。 具体的， 第一小区基站可以根据接收到 的载波配置信息中包含的第一小区的辅载波频率信息确定第一子频率，并 釆用第一子频率发送所述第一小区的辅载波信号。
2042、 第二小区基站釆用第二子频率发送所述第二小区的辅载波信 号。
其中， 第二小区基站可以根据接收到的载波配置信息中包含的第二 小区的辅载波频率信息确定第二子频率，并釆用第二子频率发送所述第二 小区的辅载波信号。 其中， 所述第二子频率可以和所述第一子频率部分重 叠或者与第一子频率相同。 例如， 如图 4所示， 运营商在对主载波使用频 率复用因子为 3的频率复用技术的同时， 对辅载波使用频率复用因子为 3 的频率复用技术进行规划。 例如运营商获得了 LTE TDD Band 38 的 2570MHz~2615MHz 的频率， 主载波配置为 3 个 5ΜΗζ , 占 用 2570ΜΗζ~2585ΜΗζ , 辅 载 波 配 置 为 3 个 10MHz , 占 用 2585MHz~2615MHz 0 具体的， 对于三个相邻小区的主载波， 第一小区中 承载广播信道和控制信道的频率 1为 2570MHz~2575MHz , 第二小区中承 载广播信道和控制信道的频率 2为 2575MHz~2580MHz , 第三小区中承载 广播信道和控制信道的频率 3为 2580MHz~2585MHz。剩余未被主载波占 用的频率范围可以用于辅载波的发送， 具体的，对于三个相邻小区的辅载 波，第一小区中 载业务信道的辅载波的子频率 4为 2585ΜΗζ~2695ΜΗζ , 第二小区中承载业务信道的辅载波的子频率 5为 2595MHz~2605MHz , 第 三小区中承载业务信道的辅载波的子频率 6为 2605MHz~2615MHz。这样 第一小区和第二小区之间的业务信道之间的干扰也会减小，当然第三小区 的辅载波也可以釆用与第一小区和第二小区不同的频率进行发送。
进一步的， 当第三小区、 第一小区和第二小区两两相邻时， 为了减 小三个小区之间的干扰， 本发明实施例的方案还可以包括以下步骤 205： 205、第三小区基站釆用第四频率发送第三小区的主载波信号； 其中， 所述第三小区与所述第一小区及所述第二小区相邻，所述第四频率与所述 第一频率和第二频率均不同。
其中， 当第三小区同时与所述第一小区和第二小区相邻， 可以是第 三小区同时与第一小区和第二小区的覆盖范围相邻或有交集， 广义的说， 也可以是第三小区与第一小区存在同频干扰，同时第三小区与第二小区也 存在同频干扰。 为了减小第三小区和第一小区、 第二小区间的同频干扰， 第三小区基站可以釆用第四频率发送所述第三小区的主载波信号，并釆用 第三频率发送第三小区的辅载波信号。 其中， 所述第四频率是所述第三小 区基站根据接收到的所述网络配置服务器发送的频率配置信息确定的。
本发明实施例还提供另一种频率复用方法， 具体的可以是： 当第一 小区与第二小区相邻时， 釆用第一频率发送第一小区的主载波信号， 釆用 第二频率发送第二小区的主载波信号；并可以釆用第三频率和所述第二频 率发送所述第一小区的辅载波信号，釆用第三频率和所述第一频率发送所 述第二小区的辅载波信号。
为了方便本领域技术人员的理解， 以 3 个小区为例介绍频率复用的 方法， 如图 5所示， 釆用频率复用因子为 3的频率复用方案， 例如运营商 获得的频率范围为 2570MHz~2585MHz,釆用频率复用因子为 3的频率软 复用方法规划， 即主载波配置为 3个 5MHz, 具体的可以是： 在小区 1 中 釆用 2570MHz~2575MHz的频率作为小区 1 的主频 1发送所述小区 1 的 主载波，在小区 2中釆用 2575MHz~2580MHz的频率作为小区 2的主频 2 发送所述小区 2的主载波， 在小区 3 中釆用 2580MHz~2585MHz的频率 作为小区 3的主频 3发送所述小区 3的主载波。而小区的辅载波可以使用 其他小区发送主载波的频率进行发送， 具体的可以是， 在小区 1 中釆用 2575MHz~2580MHz和 2580MHz~2585MHz的频率作为小区 1的副频发送 所述小区 1 的辅载波， 在小 区 2 中釆用 2570MHz~2575MHz 和 2580MHz~2585MHz的频率作为小区 2的副频发送所述小区 2的辅载波， 在小区 3 中釆用 2570MHz~2575MHz和 2575MHz~2580MHz的频率作为 小区 3的副频发送所述小区 3的辅载波。这样同样可以减小相邻小区间的 主载波的干扰， 提升广播信道和控制信道的抗干扰能力。
需要说明的是， 相邻小区的布属情况不局限于本实施例中所举例的 三个相邻小区的情形， 也可以是 2个小区相邻或更多小区相邻， 小区间的 相互覆盖关系也可以随实际情况而定， 因此， 主载波频率的复用因子也可 以相应调整， 例如釆用复用因子为 2、 4或更大的复用因子， 可以根据抗 干扰需求进行调整。
需要说明的是， 本发明实施例提供的基于长期演进系统的载波聚合 通信方法中部分步骤的具体描述， 可以参考实施例 1、 3、 4、 5中对应内 容， 本发明实施例这里将不再——赘述。
本发明实施例提供一种基于长期演进系统的载波聚合通信方法， 通 过釆用第一频率发送第一小区的主载波信号，釆用第二频率发送相邻的第 二小区的主载波信号， 以便于 UE根据接收到的主载波信号获取所在小区 的辅载波信号以进行载波聚合，与现有技术中对相邻的小区釆用相同的频 率发送主载波信号相比，将相邻小区中的主载波承载的广播信道和控制信 道釆用不同频率进行发送， 减小了相邻小区中主载波间的干扰，提升了广 播信道和控制信道抗干扰能力，使得 UE能够正确的接收主载波中携带的 辅载波信息从而可以有效实现载波聚合。
并且， 辅载波也可以独立于主载波设计频率复用方案， 将辅载波可 用的频率范围进一步划分为子频率范围，从而减小相邻小区间辅载波的干 扰， 这样不仅可以提升广播信道和控制信道抗干扰能力， 也可以减小相邻 小区间业务信道的干扰。
实施例 3
本发明实施例提供一种基于长期演进系统的载波聚合通信装置， 本 实施例以第一小区和第二小区分别由不同的基站控制为例进行说明，如图 6所示， 包括： 第一发送单元 31、 第二发送单元 32。 第一发送单元 3 1 , 用于釆用第一频率发送第一小区的主载波信号， 所述第一小区主载波信号中携带与所述第一小区主载波进行载波聚合的 第一辅载波信息。
第二发送单元 32 , 用于釆用第二频率发送第二小区的主载波信号， 所述第二小区主载波信号中携带与所述第二小区主载波进行载波聚合的 第二辅载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所述 第一频率与所述第二频率不同。
进一步的， 如图 7所示， 该装置还可以包括： 第三发送单元 33。 第三发送单元 33 , 用于釆用第三频率发送所述第一小区和所述第二 小区的辅载波信号；其中所述第三频率与所述第一频率和所述第二频率均 不同。
进一步的， 该第三单元 33可以进一步包括： 第一发送模块 33 1、 第 二发送模块 332。
第一发送模块 33 1 ,用于釆用所述第三频率和所述第二频率发送所述 第一小区的辅载波信号。
第二发送模块 332 ,用于釆用所述第三频率和所述第一频率发送所述 第二小区的辅载波信号。
进一步的， 该装置还可以包括： 第四发送单元 34。
第四发送单元 34 , 用于釆用第四频率发送第三小区的主载波信号； 其中， 所述第三小区与所述第一小区及所述第二小区相邻， 所述第四频率 与所述第一频率和第二频率均不同。
进一步的， 该装置还可以包括： 接收单元 35。
接收单元 35 , 用于接收所述第一' 区和 /或所述第二小区的载波配置 信息； 其中， 所述载波配置信息中包含第一小区的主载波频率信息、 辅载 波频率信息和 /或所述第二小区的主载波频率信息。
进一步的， 所述载波配置信息中还包含： 第一小区的主载波带宽和 第二小区的主载波带宽； 其中， 所述第一小区的主载波带宽为根据所述第 一小区的用户数量确定的；所述第二小区的主载波带宽为根据所述第二小 区的用户数量确定的。 进一步的， 所述主载波中承载的信道包括： 广播信道、 控制信道和 第一业务信道； 所述辅载波中承载的信道包括： 第二业务信道。
进一步的， 所述第三频率包括第一子频率和第二子频率， 所述第三 发送单元 33还可以包括： 第三发送模块 333、 第四发送模块 334。
第三发送模块 333 ,用于釆用第一子频率发送所述第一小区的辅载波 信号。
第四发送模块 334 ,用于釆用第二子频率发送所述第二小区的辅载波 信号。
需要说明的是， 本发明实施例提供的基于长期演进系统的载波聚合 通信装置中部分功能模块的具体描述， 可以参考实施例 1、 2、 4、 5中对 应内容， 本发明实施例这里将不再——赘述。
本发明实施例提供一种基于长期演进系统的载波聚合通信装置， 通 过釆用第一频率发送第一小区的主载波信号，釆用第二频率发送相邻的第 二小区的主载波信号， 以便于 UE根据接收到的主载波信号获取所在小区 的辅载波信号以进行载波聚合，与现有技术中对相邻的小区釆用相同的频 率发送主载波信号相比，将相邻小区中的主载波承载的广播信道和控制信 道釆用不同频率进行发送， 减小了相邻小区中主载波间的干扰，提升了广 播信道和控制信道抗干扰能力，使得 UE能够正确的接收主载波中携带的 辅载波信息从而可以有效实现载波聚合。
并且， 辅载波也可以独立于主载波设计频率复用方案， 将辅载波可 用的频率范围进一步划分为子频率范围，从而减小相邻小区间辅载波的干 扰， 这样不仅可以提升广播信道和控制信道抗干扰能力， 也可以减小相邻 小区间业务信道的干扰。
实施例 4
本发明实施例提供一种基站， 该基站包括： 基带处理模块 41和中射 频处理模块 42 , 如图 8所示。
所述基带处理模块 41 , 用于釆用第一频率作为主载波频率调制得到 第一小区的主载波信号。
所述基带处理模块 41 , 还用于釆用第二频率作为主载波频率调制得 到第二小区的主载波信号。
所述中射频处理模块 42 ,用于发送所述基带处理模块 41调制得到的 所述第一小区的主载波信号和所述第二小区的主载波信号，所述第一小区 主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅载波信 息，所述第二小区主载波信号中携带与所述第二小区主载波进行载波聚合 的第二辅载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所 述第一频率和所述第二频率不同。
进一步的， 所述基带处理模块 41 , 还用于釆用第三频率作为辅载波 频率调制得到所述第一小区的辅载波信号和所述第二小区的辅载波信号； 其中所述第三频率与所述第一频率和所述第二频率均不同。
所述中射频处理模块 42 ,还用于发送所述基带处理模块 41调制得到 的所述第一小区的辅载波信号和所述第二小区的辅载波信号。
进一步的， 所述基带处理模块 41 , 还用于釆用所述第三频率和所述 第二频率作为辅载波频率调制得到所述第一小区的辅载波信号。
所述基带处理模块 41 , 还用于釆用所述第三频率和所述第一频率作 为辅载波频率调制得到所述第二小区的辅载波信号。
所述中射频处理模块 42 ,还用于发送所述基带处理模块 41调制得到 的所述第一小区的辅载波信号和所述第二小区的辅载波信号。
进一步的， 所述基带处理模块 41 , 还用于釆用第四频率作为主载波 频率调制得到第三小区的主载波信号。
所述中射频处理模块 42 ,还用于发送所述基带处理模块 41调制得到 的所述第三小区的主载波信号； 其中， 所述第三小区与所述第一小区及所 述第二小区相邻， 所述第四频率与所述第一频率和第二频率均不同。
进一步的， 该基站还可以包括： 接收器 43。
接收器 43 , 用于接收所述第一小区和 /或所述第二小区的载波配置信 息； 其中， 所述载波配置信息中包含第一小区的主载波频率信息、 辅载波 频率信息和 /或所述第二小区的主载波频率信息。
进一步的， 所述接收器 43接收的载波配置信息中还包含： 第一小区 的主载波带宽和第二小区的主载波带宽； 其中， 所述第一小区的主载波带宽为根据所述第一小区的用户数量 确定的；所述第二小区的主载波带宽为根据所述第二小区的用户数量确定 的。
进一步的， 所述主载波中承载的信道包括： 广播信道、 控制信道和 第一业务信道； 所述辅载波中承载的信道包括： 第二业务信道。
进一步的， 所述第三频率包括第一子频率和第二子频率， 所述基带 处理模块 41 , 用于釆用第一子频率作为辅载波频率调制得到第一小区的 辅载波信号；釆用第二子频率作为辅载波频率调制得到第二小区的辅载波 信号。
所述中射频处理模块 42 ,还用于发送所述基带处理模块 41调制得到 的所述第一小区的辅载波信号和所述第二小区的辅载波信号。
需要说明的是， 本发明实施例提供的基站中部分功能模块的具体描 述， 可以参考实施例 1、 2、 3、 5中对应内容， 本发明实施例这里将不再 一一赘述。
本发明实施例提供一种基站， 通过釆用第一频率发送第一小区的主 载波信号， 釆用第二频率发送相邻的第二小区的主载波信号， 以便于用户 设备 UE 根据接收到的主载波信号获取所在小区的辅载波信号以进行载 波聚合， 与现有技术中对相邻的小区釆用相同的频率发送主载波信号相 比，将相邻小区中的主载波承载的广播信道和控制信道釆用不同频率进行 发送， 减小了相邻小区中主载波间的干扰，提升了广播信道和控制信道抗 干扰能力，使得 UE能够正确的接收主载波中携带的辅载波信息从而可以 有效实现载波聚合。
并且， 辅载波也可以独立于主载波设计频率复用方案， 将辅载波可 用的频率范围进一步划分为子频率范围，从而减小相邻小区间辅载波的干 扰， 这样不仅可以提升广播信道和控制信道抗干扰能力， 也可以减小相邻 小区间业务信道的干扰。
实施例 5
本发明实施例提供一种基于长期演进系统的载波聚合通信系统， 在 一种应用场景中， 第一小区和第二小区由同一基站的控制， 如图 9所示， 该系统可以包括： 网络配置服务器 51、 基站 52、 用户设备 53。 所述网络配置服务器 51 ,用于向所述基站 52发送所述第一小区和所 述第二小区的载波配置信息。
所述基站 52 ,用于接收网络配置服务器 51发送的所述第一小区和所 述第二小区的载波配置信息； 其中， 所述载波配置信息中包含第一小区的 主载波频率信息、辅载波频率信息和所述第二小区的主载波频率信息， 并 釆用第一频率发送第一小区的主载波信号，所述第一小区主载波信号中携 带与所述第一小区主载波进行载波聚合的第一辅载波信息；釆用第二频率 发送第二小区的主载波信号，所述第二小区主载波信号中携带与所述第二 小区主载波进行载波聚合的第二辅载波信息； 其中， 所述第一小区与所述 第二小区为相邻小区， 所述第一频率与所述第二频率不同。
所述用户设备 53 ,用于在第一小区中接收所述基站 52发送的第一频 率的主载波信号， 或在第二小区中接收所述基站 52发送的第二频率的主 载波信号，并根据接收到的所述主载波信号中携带的辅载波信息进行载波 聚合。
在另一种应用场景中， 第一小区和第二小区分别由不同的基站控制， 如图 10所示， 该系统可以包括： 网络配置服务器 61、 第一基站 62、 第二 基站 63、 用户设备 64。
所述网络配置服务器 61 ,用于向所述第一基站 62发送所述第一小区 的载波配置信息，向所述第二基站 63发送所述第二小区的载波配置信息。
所述第一基站 62 ,用于接收网络配置服务器 61发送的所述第一小区 的载波配置信息， 并釆用第一频率发送第一小区的主载波信号， 所述第一 小区主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅载 波信息。
所述第二基站 63 ,用于接收网络配置服务器 61发送的所述第二小区 的载波配置信息， 釆用第二频率发送第二小区的主载波信号， 所述第二小 区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅载波 信息， 其中， 所述第一小区与所述第二小区为相邻小区， 所述第一频率与 所述第二频率不同。 所述用户设备 64 ,用于在第一小区中接收所述第一基站 62发送的第 一频率的主载波信号， 或在第二小区中接收所述第二基站 63发送的第二 频率的主载波信号，并根据接收到的所述主载波信号中携带的辅载波信息 进行载波聚合。
需要说明的是， 本发明实施例提供的基于长期演进系统的载波聚合 通信系统中部分功能模块的具体描述， 可以参考实施例 1 -4中对应内容， 本发明实施例这里将不再——赘述。
本发明实施例提供一种基于长期演进系统的载波聚合通信系统， 通 过釆用第一频率发送第一小区的主载波信号，釆用第二频率发送相邻的第 二小区的主载波信号， 以便于 UE根据接收到的主载波信号获取所在小区 的辅载波信号以进行载波聚合，与现有技术中对相邻的小区釆用相同的频 率发送主载波信号相比，将相邻小区中的主载波承载的广播信道和控制信 道釆用不同频率进行发送， 减小了相邻小区中主载波间的干扰，提升了广 播信道和控制信道抗干扰能力，使得 UE能够正确的接收主载波中携带的 辅载波信息从而可以有效实现载波聚合。
并且， 辅载波也可以独立于主载波设计频率复用方案， 将辅载波可 用的频率范围进一步划分为子频率范围，从而减小相邻小区间辅载波的干 扰， 这样不仅可以提升广播信道和控制信道抗干扰能力， 也可以减小相邻 小区间业务信道的干扰。
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， 可轻易想到的变化或替换， 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

权 利 要 求 书
1、 一种基于长期演进系统的载波聚合通信方法， 其特征在于， 包括： 釆用第一频率发送第一小区的主载波信号， 所述第一小区主载波信号 中携带与所述第一小区主载波进行载波聚合的第一辅载波信息；
釆用第二频率发送第二小区的主载波信号， 所述第二小区主载波信号 中携带与所述第二小区主载波进行载波聚合的第二辅载波信息， 其中， 所 述第一小区与所述第二小区为相邻小区， 所述第一频率与所述第二频率不 同。
2、 根据权利要求 1 所述的基于长期演进系统的载波聚合通信方法， 其特征在于， 还包括：
釆用第三频率发送所述第一小区和所述第二小区的辅载波信号； 其中 所述第三频率与所述第一频率和所述第二频率均不同。
3、 根据权利要求 2 所述的基于长期演进系统的载波聚合通信方法， 其特征在于， 所述釆用第三频率发送所述第一小区和所述第二小区的辅载 波信号， 进一步包括：
釆用所述第三频率和所述第二频率发送所述第一小区的辅载波信号； 釆用所述第三频率和所述第一频率发送所述第二小区的辅载波信号。
4、 根据权利要求 1 所述的基于长期演进系统的载波聚合通信方法， 其特征在于， 所述方法还包括：
釆用第四频率发送第三小区的主载波信号； 其中， 所述第三小区与所 述第一小区及所述第二小区相邻， 所述第四频率与所述第一频率和第二频 率均不同。
5、根据权利要求 1 -4中任一项所述的基于长期演进系统的载波聚合通 信方法， 其特征在于， 所述方法还包括：
接收所述第一小区和 /或所述第二小区的载波配置信息； 其中， 所述载 波配置信息中包含第一小区的主载波频率信息、 辅载波频率信息和 /或所述 第二小区的主载波频率信息。
6、 根据权利要求 5 所述的基于长期演进系统的载波聚合通信方法， 其特征在于， 所述载波配置信息中还包含： 第一小区的主载波带宽和第二 小区的主载波带宽；
其中， 所述第一小区的主载波带宽为根据所述第一小区的用户数量确 定的；所述第二小区的主载波带宽为根据所述第二小区的用户数量确定的。
7、 根据权利 1 所述的基于长期演进系统的载波聚合通信方法， 其特 征在于，
所述主载波中承载的信道包括： 广播信道、控制信道和第一业务信道； 所述辅载波中承载的信道包括： 第二业务信道。
8、 根据权利 2 所述的基于长期演进系统的载波聚合通信方法， 其特 征在于， 所述第三频率包括第一子频率和第二子频率； 所述釆用第三频率 发送所述第一小区和所述第二小区的辅载波信号， 包括：
釆用第一子频率发送所述第一小区的辅载波信号；
釆用第二子频率发送所述第二小区的辅载波信号。
9、根据权利要求 1 -8中任一项所述的基于长期演进系统的载波聚合通 信方法， 其特征在于， 所述主载波信号的功率大于或等于辅载波信号的功 率。
10、 一种基于长期演进系统的载波聚合通信装置， 其特征在于， 包括： 第一发送单元， 用于釆用第一频率发送第一小区的主载波信号， 所述 第一小区主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅 载波信息；
第二发送单元， 用于釆用第二频率发送第二小区的主载波信号， 所述 第二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅 载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所述第一频 率与所述第二频率不同。
11、 根据权利要求 10所述的基于长期演进系统的载波聚合通信装置， 其特征在于， 还包括：
第三发送单元， 用于釆用第三频率发送所述第一小区和所述第二小区 的辅载波信号；其中所述第三频率与所述第一频率和所述第二频率均不同。
12、 根据权利要求 11所述的基于长期演进系统的载波聚合通信装置， 其特征在于， 所述第三发送单元， 进一步包括： 第一发送模块， 用于釆用所述第三频率和所述第二频率发送所述第一 小区的辅载波信号；
第二发送模块， 用于釆用所述第三频率和所述第一频率发送所述第二 小区的辅载波信号。
13、 根据权利要求 10所述的基于长期演进系统的载波聚合通信装置， 其特征在于， 还包括：
第四发送单元，用于釆用第四频率发送第三小区的主载波信号； 其中， 所述第三小区与所述第一小区及所述第二小区相邻， 所述第四频率与所述 第一频率和第二频率均不同。
14、 根据权利要求 10-13 中任一项所述的基于长期演进系统的载波聚 合通信装置， 其特征在于， 还包括：
接收单元， 用于接收所述第一小区和 /或所述第二小区的载波配置信 息； 其中， 所述载波配置信息中包含第一小区的主载波频率信息、 辅载波 频率信息和 /或所述第二小区的主载波频率信息。
15、 根据权利要求 10所述的基于长期演进系统的载波聚合通信装置， 其特征在于，
所述主载波中承载的信道包括： 广播信道、控制信道和第一业务信道； 所述辅载波中承载的信道包括： 第二业务信道。
16、 根据权利要求 11所述的基于长期演进系统的载波聚合通信装置， 其特征在于， 所述第三频率包括第一子频率和第二子频率；
所述第三发送单元， 还包括：
第三发送模块， 用于釆用第一子频率发送所述第一小区的辅载波信 号；
第四发送模块， 用于釆用第二子频率发送所述第二小区的辅载波信 号。
17、 一种基站， 包括： 基带处理模块和中射频处理模块， 其特征在于， 所述基带处理模块， 用于釆用第一频率作为主载波频率调制得到第一 小区的主载波信号；
所述基带处理模块， 还用于釆用第二频率作为主载波频率调制得到第 二小区的主载波信号；
所述中射频处理模块， 用于发送所述基带处理模块调制得到的所述第 一小区的主载波信号和所述第二小区的主载波信号， 所述第一小区主载波 信号中携带与所述第一小区主载波进行载波聚合的第一辅载波信息， 所述 第二小区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅 载波信息； 其中， 所述第一小区与所述第二小区为相邻小区， 所述第一频 率和所述第二频率不同。
18、 根据权利要求 17所述的基站， 其特征在于，
所述基带处理模块， 还用于釆用第三频率作为辅载波频率调制得到所 述第一小区的辅载波信号和所述第二小区的辅载波信号； 其中所述第三频 率与所述第一频率和所述第二频率均不同；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所述 第一小区的辅载波信号和所述第二小区的辅载波信号。
19、 根据权利要求 18所述的基站， 其特征在于，
所述基带处理模块， 还用于釆用所述第三频率和所述第二频率作为辅 载波频率调制得到所述第一小区的辅载波信号；
所述基带处理模块， 还用于釆用所述第三频率和所述第一频率作为辅 载波频率调制得到所述第二小区的辅载波信号；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所述 第一小区的辅载波信号和所述第二小区的辅载波信号。
20、 根据权利要求 17所述的基站， 其特征在于，
所述基带处理模块， 还用于釆用第四频率作为主载波频率调制得到第 三小区的主载波信号；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所述 第三小区的主载波信号； 其中， 所述第三小区与所述第一小区及所述第二 小区相邻， 所述第四频率与所述第一频率和第二频率均不同。
21、 根据权利要求 17-20中任一项所述的基站， 其特征在于， 还包括： 接收器， 用于接收所述第一小区和 /或所述第二小区的载波配置信息； 其中， 所述载波配置信息中包含第一小区的主载波频率信息、 辅载波频率 信息和 /或所述第二小区的主载波频率信息。
22、 根据权利要求 17所述的基站， 其特征在于，
所述主载波中承载的信道包括： 广播信道、控制信道和第一业务信道； 所述辅载波中承载的信道包括： 第二业务信道。
23、 根据权利要求 18 所述的基站， 其特征在于， 所述第三频率包括 第一子频率和第二子频率；
所述基带处理模块， 用于釆用第一子频率作为辅载波频率调制得到第 一小区的辅载波信号； 釆用第二子频率作为辅载波频率调制得到第二小区 的辅载波信号；
所述中射频处理模块， 还用于发送所述基带处理模块调制得到的所述 第一小区的辅载波信号和所述第二小区的辅载波信号。
24、 一种基于长期演进系统的载波聚合通信系统， 其特征在于， 包括： 第一基站， 用于釆用第一频率发送第一小区的主载波信号， 所述第一 小区主载波信号中携带与所述第一小区主载波进行载波聚合的第一辅载波 信息；
第二基站， 用于釆用第二频率发送第二小区的主载波信号， 所述第二 小区主载波信号中携带与所述第二小区主载波进行载波聚合的第二辅载波 信息；
网络配置服务器， 用于向所述第一基站和所述第二基站发送所述第一 小区和所述第二小区的载波配置信息， 所述载波配置信息包含所述第一小 区的主载波频率信息和辅载波频率信息， 和 /或所述第二小区的主载波频率 信息和辅载波频率信息；
用户设备 UE , 用于在所述第一小区中接收所述基站发送的第一频率 的主载波信号， 或在所述第二小区中接收所述基站发送的第二频率的主载 波信号； 并根据接收到的主载波信号中携带的辅载波信息进行载波聚合。
25、 一种基于长期演进系统的载波聚合通信系统， 其特征在于， 包括： 如权利要求 17-23中任一项所述的基站；
网络配置服务器， 用于向所述基站发送所述第一小区和所述第二小区 的载波配置信息； 所述载波配置信息包含所述第一小区的主载波频率信息 和辅载波频率信息， 和 /或所述第二小区的主载波频率信息和辅载波频率信 息；
用户设备 UE， 用于接收所述 UE所在小区的主载波信号， 并根据接收 到的所述主载波信号中携带的辅载波信息进行载波聚合。
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