WO2019119179A1 - 一种信道资源的选择方法及装置 - Google Patents
一种信道资源的选择方法及装置 Download PDFInfo
- Publication number
- WO2019119179A1 WO2019119179A1 PCT/CN2017/116847 CN2017116847W WO2019119179A1 WO 2019119179 A1 WO2019119179 A1 WO 2019119179A1 CN 2017116847 W CN2017116847 W CN 2017116847W WO 2019119179 A1 WO2019119179 A1 WO 2019119179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell
- control channel
- uplink control
- physical uplink
- resource occupied
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Definitions
- the present invention relates to the field of mobile communications technologies, and in particular, to a method and an apparatus for selecting a channel resource.
- LTE Long Term Evolution
- an important factor limiting system performance is mutual interference between neighboring cells of the base station, especially mobile terminals at the cell edge, which are likely to be affected by mobile terminals of neighboring cells. Interference, resulting in unstable communication.
- the cell is configured by using Inter-Cell Interference Coordination (ICIC) technology to prevent interference of traffic channels between adjacent cells.
- ICIC Inter-Cell Interference Coordination
- a mobile terminal needs to send ACK/NACK information to a base station through a Physical Uplink Control Channel (PUCCH). If interference occurs between PUCCHs of physical uplink control channels of neighboring cells, PUCCH may be affected. Demodulation performance reduces PUCCH transmission efficiency. Since the existing LTE system does not provide effective precautions for the interference of the control channel when the cell is configured, the physical uplink control channel PUCCH of the neighboring cell of the existing LTE system is likely to generate interference, and the demodulation thereof is performed. Poor performance and low transmission efficiency.
- PUCCH Physical Uplink Control Channel
- the present invention provides a method and a device for selecting a channel resource.
- the physical uplink control channels of adjacent cells can be orthogonal to each other, and the transmission efficiency is improved.
- a method for selecting a channel resource including:
- the search space of the cell is repeatedly adjusted and the physical uplink control channel resource occupied by the cell is recalculated until the The physical uplink control channel resources occupied by the cell satisfy the orthogonal requirements of the setting.
- the calculating the physical uplink control channel resources occupied by the set cell including:
- the adjusting the search space of the cell includes:
- the determining whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement includes:
- Determining the cell if the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement, or the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement The occupied physical uplink control channel resources satisfy the set orthogonal requirements.
- the determining whether the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement includes:
- the frequency domain resource occupied by the physical uplink control channel of the cell is different from the frequency domain resource occupied by the physical uplink control channel of the neighboring cell of the cell, the physical uplink control occupied by the cell is confirmed.
- the channel resources satisfy the set frequency domain orthogonal requirements.
- the determining whether the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement includes:
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell If not, it is confirmed that the physical uplink control channel resources occupied by the cell satisfy the code domain orthogonal requirement.
- a channel resource selection device includes:
- a calculating unit configured to calculate a physical uplink control channel resource occupied by the set cell
- a determining unit configured to determine whether the physical uplink control channel resource occupied by the cell meets a set orthogonal requirement, where the set orthogonal requirement is to ensure a physical uplink control channel resource occupied by the cell,
- the requirements of the physical uplink control channel resources occupied by the neighboring cells of the cell are orthogonal to each other;
- the processing unit is configured to repeatedly perform the following operations when the determining unit determines that the physical uplink control channel resource occupied by the cell does not meet the set orthogonal requirement:
- the calculating unit comprises:
- a first calculating unit configured to calculate a physical downlink control channel resource occupied by the set cell in the set search space
- a second calculating unit configured to calculate, according to the physical downlink control channel resource occupied by the cell, a physical uplink control channel resource occupied by the cell.
- the processing unit adjusts the search space of the cell, it is specifically used to:
- the determining unit determines whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement, the determining unit is specifically configured to:
- the uplink control channel resources satisfy the set orthogonal requirements.
- the determining unit determines whether the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement, the determining unit is specifically configured to:
- the determining unit determines whether the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement, the determining unit is specifically configured to:
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell is orthogonal to the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell If the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell, and the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell, If the orthogonal sequences are different, it is confirmed that the physical uplink control channel resources occupied by the cell satisfy the code domain orthogonal requirement.
- a channel resource selection device includes:
- the memory is connected to the processor for storing a program
- the processor is configured to implement the following functions by running a program stored in the memory:
- the set orthogonal requirement is to repeatedly adjust the search space of the cell and recalculate the physical uplink control channel resource occupied by the cell, until the physical uplink control channel resource occupied by the cell satisfies the setting Orthogonal requirements.
- the processor calculates the physical uplink control channel resource occupied by the set cell, it is specifically used to:
- the physical downlink control channel resource occupied by the set cell in the set search space is calculated, and the physical uplink control channel resource occupied by the cell is calculated according to the physical downlink control channel resource occupied by the cell.
- the processor adjusts the search space of the cell, it is specifically used to:
- the processor determines whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement, the processor is specifically configured to:
- the uplink control channel resources satisfy the set orthogonal requirements.
- the processor determines whether the physical uplink control channel resource occupied by the cell satisfies the set frequency domain orthogonal requirement, the processor is specifically configured to:
- the processor determines whether the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement, the processor is specifically configured to:
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell is orthogonal to the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell If the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell, and the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell, If the orthogonal sequences are different, it is confirmed that the physical uplink control channel resources occupied by the cell satisfy the code domain orthogonal requirement.
- the method for selecting a channel resource when selecting a physical uplink control channel resource for a set cell, first calculating a physical uplink control channel resource occupied by the set cell; and then determining a physical uplink occupied by the cell Whether the control channel resource satisfies the set orthogonal requirement; wherein the set orthogonal requirement is to ensure the physical uplink control channel resource occupied by the cell, and the physical uplink control occupied by the neighboring cell of the cell.
- the requirements of the channel resources are mutually orthogonal; if the physical uplink control channel resources occupied by the cell do not meet the set orthogonal requirements, the search space of the cell is repeatedly adjusted and the cell is recalculated The physical uplink control channel resources occupied until the physical uplink control channel resources occupied by the cells satisfy the set orthogonal requirements.
- the physical uplink control channel selected for the set cell and the physical uplink control channel of the neighboring cell of the cell are mutually orthogonal, and the physical uplink control channel of the cell and the neighboring cell of the cell are prevented. Interference occurs between physical uplink control channels, which improves the transmission efficiency of the physical uplink control channel.
- FIG. 1 is a schematic flowchart of a method for selecting a channel resource according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of another method for selecting a channel resource according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of a device for selecting a channel resource according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of another channel resource selection apparatus according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of another apparatus for selecting a channel resource according to an embodiment of the present invention.
- the embodiment of the invention discloses a method for selecting a channel resource. Referring to FIG. 1, the method includes:
- the user equipment utilizes the physical uplink control channel resource. Determine the frequency domain resources and code domain resources used to obtain higher transmission efficiency and multiplexing capacity.
- subframe n for HARQ-ACK transmission It is indicated by the Physical Downlink Control Channel (PDCCH) of the subframe n-4, that is,
- n CCE is the first Control Channel Element (CCE) number of the Downlink Control Information (DCI) transmission; Configured by the upper layer;
- the PDCCH of the cell is calculated according to the search space of the set cell, and the physical uplink control channel resource occupied by the cell can be further calculated by using the calculated PDCCH.
- physical uplink control channel resources occupied by all user equipments in the set cell may be set, or only physical uplink control channel resources occupied by edge user equipments in the set cell may be performed. set up.
- the spatial range of the technical solution of the embodiment of the present invention is different, and the calculation method in essence is the same as the method involved in the embodiment of the present invention.
- the physical uplink control channel resource occupied by the set cell after calculating the physical uplink control channel resource occupied by the set cell, further determining whether the physical uplink control channel resource occupied by the cell is related to the physical uplink control channel resource occupied by the neighboring cell of the cell Orthogonal to each other.
- the physical uplink control channel resources occupied by the cell and the physical uplink control channel resources occupied by the neighboring cells of the cell are orthogonal to each other, no interference occurs between the physical uplink control channels between adjacent cells. The transmission efficiency of the physical uplink control channel of each neighboring cell is guaranteed.
- the orthogonal requirement of the foregoing setting may be a frequency domain orthogonal requirement, or may be a code domain orthogonal requirement, that is, a physical uplink control channel resource occupied by the cell is occupied by a cell adjacent to the cell.
- the physical uplink control channel resources may be orthogonal to the frequency domain or orthogonal to the code domain.
- the orthogonal requirement of the foregoing setting is an orthogonal requirement that is set in advance in order to ensure that the PUCCHs between adjacent cells are orthogonal to each other before the physical uplink control channel resource is selected for the cell. It is a fixed orthogonal requirement set in the base station, or may be an orthogonal requirement temporarily set according to an application scenario.
- step S103 Adjust the search space of the cell, and return to step S101 to recalculate the physical uplink control channel resource occupied by the cell, until it is determined in step S102 that the physical uplink control channel resource occupied by the cell meets the setting. Orthogonal requirements.
- the physical uplink control channel resource currently occupied by the set cell does not meet the orthogonal requirement, that is, the physical uplink control channel resource occupied by the cell and the neighboring cell of the cell
- the occupied physical uplink control channel resources are not mutually orthogonal.
- the physical uplink control channel resource is reselected for the set cell until the physical uplink control channel resource occupied by the cell and the physical uplink control channel resource occupied by the neighboring cell of the cell are orthogonal to each other.
- the physical uplink control channel resource currently occupied by the cell meets the orthogonal requirement, the physical uplink control channel resource currently occupied by the cell is directly allocated to the cell, and the physical uplink control occupied by the cell is not needed.
- Channel resources are set.
- the search space of the cell may not be adjusted first, and the cell is calculated again.
- the physical uplink control channel resources are occupied, but the physical uplink control channel resources of the RNTI of the cell are discarded, and other RNTIs of the cell may be selected for scheduling.
- the specific scheduling method is the same as that proposed by the example of the present invention.
- the search space of the cell is adjusted multiple times, or after all the search spaces of the cell have been traversed, the physical uplink control channel resources occupied by the cell cannot be met to meet the set orthogonal requirement, and then the cell is abandoned.
- the RNTI schedules physical uplink control channel resources, and selects other RNTIs of the cell to perform scheduling attempts.
- the scheduling selection method is also the same as the processing method proposed by the embodiment of the present invention.
- the physical uplink control channel resource occupied by the set cell is first calculated; and then the occupied by the cell is determined. Whether the physical uplink control channel resource meets the set orthogonal requirement; wherein the set orthogonal requirement is to ensure the physical uplink control channel resource occupied by the cell, and the physical occupied by the neighboring cell of the cell.
- the requirements of the uplink control channel resources are mutually orthogonal; if the physical uplink control channel resources occupied by the cell do not meet the set orthogonal requirements, the search space of the cell is repeatedly adjusted and the calculation is recalculated.
- the physical uplink control channel resources occupied by the cell are determined until the physical uplink control channel resources occupied by the cell meet the set orthogonal requirements.
- the physical uplink control channel selected for the set cell and the physical uplink control channel of the neighboring cell of the cell are mutually orthogonal, and the physical uplink control channel of the cell and the neighboring cell of the cell are prevented. Interference occurs between physical uplink control channels, which improves the transmission efficiency of the physical uplink control channel.
- the calculating the physical uplink control channel resources occupied by the set cell includes:
- S201 Calculate a physical downlink control channel resource occupied by the set cell in the set search space
- one PDCCH channel is composed of several consecutive control channel units CCE, wherein each CCE is composed of 9 resource groups REG, and each REG is composed of 4 resource units RE, and each RE maps one QPSK modulation symbol.
- the number of REGs available for the PDCCH in the control channel is N REG (except for REGs for PCFICH and PHICH)
- the number of CCEs included in each TTI is Numbered with 0 to N CCE -1.
- the PDCCH resource used by the UE needs to be determined by using a search space, and the calculation formula is as follows:
- n CCE represents the first control channel unit occupied by the PDCCH resource, and the n CCE is determined, which is equivalent to determining the resource occupied by the PDCCH;
- L is the aggregation level;
- k is the subframe number in a radio frame;
- N CCE,k represents the total number of CCEs in the kth subframe control region;
- the physical downlink control channel resources occupied by the set cell are calculated.
- n CCE is calculated by the formula in step S201, further according to the formula
- Steps S203 to S204 in this embodiment respectively correspond to the steps S102 to S103 in the embodiment of the method shown in FIG. 1 .
- Steps S203 to S204 in this embodiment respectively correspond to the steps S102 to S103 in the embodiment of the method shown in FIG. 1 .
- the adjusting a search space of the cell includes:
- the physical uplink control channel resource occupied by the cell is implicitly notified by the physical downlink control channel resource occupied by the cell, that is, the physical uplink control channel resource of the cell is occupied by the cell.
- the physical downlink control channel resources are determined.
- the physical downlink control channel resources occupied by the cell are determined by the search space. Therefore, by adjusting the search space of the cell, the physical uplink control channel resources occupied by the cell can be changed. Specifically, adjusting the aggregation level of the physical downlink control channel of the cell, or changing the set of candidate physical downlink control channels of the cell, can achieve the purpose of adjusting the search space of the cell.
- the determining whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement includes:
- Determining the cell if the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement, or the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement The occupied physical uplink control channel resources satisfy the set orthogonal requirements.
- the physical uplink control channel resource occupied by the cell and the physical uplink control channel resource occupied by the neighboring cell of the cell may be orthogonal to the frequency domain or orthogonal to the code domain.
- the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement, and refers to the physical uplink control channel frequency domain resource occupied by the cell and the physical uplink control channel frequency domain resource occupied by the neighboring cell of the cell.
- the physical uplink control channel resources occupied by the cell satisfy the set code domain orthogonal requirement, and are the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell, and the cell
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell is different.
- the determining whether the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement includes:
- the frequency domain resource occupied by the physical uplink control channel of the cell is different from the frequency domain resource occupied by the physical uplink control channel of the neighboring cell of the cell, the physical uplink control occupied by the cell is confirmed.
- the channel resources satisfy the set frequency domain orthogonal requirements.
- the frequency domain resources occupied by the physical uplink control channel of the cell are as follows:
- the frequency domain resource m occupied by the physical uplink control channel of the cell is calculated. As long as the m of the cell is different from the m of the neighboring cell of the cell, the frequency domain resource occupied by the physical uplink control channel of the cell is considered to be the frequency occupied by the physical uplink control channel of the neighboring cell of the cell.
- the domain resources are different, that is, the physical uplink control channel resources occupied by the foregoing cells meet the set frequency domain orthogonal requirements. Otherwise, it is considered that the physical uplink control channel resources occupied by the foregoing cells do not meet the set frequency domain orthogonal requirements.
- the frequency domain orthogonal requirement of each cell it is not necessary to set the frequency domain orthogonal requirement of each cell to be a specific value of m of each cell.
- the PUCCHs of the three cells are mutually orthogonal, that is, the PUCCH resources occupied by the cells satisfy the orthogonal requirements of the frequency domain.
- the determining whether the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement includes:
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell If not, it is confirmed that the physical uplink control channel resources occupied by the cell satisfy the code domain orthogonal requirement.
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell is determined by:
- the orthogonal sequence n oc (n s ) of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell is calculated by using the above formula. As long as the above cell n oc (n s), and the cell adjacent to cell n oc (n s) are not the same, i.e., the orthogonal sequence confirmed the above cell occupied by the PUCCH resource corresponding to the uplink sub-frame, the The orthogonal sequence of the uplink subframe corresponding to the PUCCH resource occupied by the cell neighboring cell is different, that is, the physical uplink control channel resource occupied by the cell satisfies the set code domain orthogonal requirement. Otherwise, it is considered that the physical uplink control channel resources occupied by the foregoing cells do not satisfy the set code domain orthogonal requirement.
- the code domain orthogonal requirement is set for the three cells: the orthogonal sequence of the uplink subframe corresponding to the PUCCH resource occupied by each cell of cell 1, cell 2, and cell 3 is guaranteed.
- calculate the orthogonal sequence n oc (n s ) of the uplink subframe corresponding to the occupied PUCCH resource and the specific formula is as follows:
- the orthogonal code of the second time slot is indirectly determined by the orthogonal code of the first time slot, it is only necessary to determine the orthogonality of the resources of the first time slot.
- n oc (n s ) of cell1, cell2, and cell3 it can be determined whether the cell satisfies the set code domain orthogonal requirement.
- the PUCCHs of cell1, cell2, and cell3 are orthogonal to each other.
- n oc (n s ) of each cell it is not necessary to set the code domain orthogonal requirement of each cell to be a specific value of n oc (n s ) of each cell.
- the PUCCHs of the three cells are mutually orthogonal, that is, the PUCCH resources occupied by the cells satisfy the orthogonal requirements of the code domain.
- the embodiment of the invention discloses a device for selecting a channel resource.
- the device includes:
- the calculating unit 301 is configured to calculate a physical uplink control channel resource occupied by the set cell.
- the determining unit 302 is configured to determine whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement, where the set orthogonal requirement is to ensure the physical uplink control channel resource occupied by the cell And the requirements of the physical uplink control channel resources occupied by the neighboring cells of the cell are orthogonal to each other;
- the processing unit 303 is configured to repeatedly perform the following operations when the determining unit 302 determines that the physical uplink control channel resource occupied by the cell does not meet the set orthogonal requirement:
- the calculation unit 301 when the physical uplink control channel resource is selected for the set cell, the calculation unit 301 first calculates the physical uplink control channel resource occupied by the set cell; and then the determining unit 302 Determining whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement; where the set orthogonal requirement is to ensure the physical uplink control channel resource occupied by the cell, and the cell
- the physical uplink control channel resources occupied by the neighboring cells are mutually orthogonal. If the physical uplink control channel resources occupied by the cells do not meet the set orthogonal requirements, the processing unit 303 repeats the adjustment.
- the search space of the cell and the calling calculation unit 301 recalculate the physical uplink control channel resource occupied by the cell, until the determining unit 302 determines that the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement. .
- the physical uplink control channel selected for the set cell and the physical uplink control channel of the neighboring cell of the cell are orthogonal to each other, and the physical uplink control channel of the cell and the physical of the neighboring cell of the cell are prevented. Interference occurs between the uplink control channels, which improves the transmission efficiency of the physical uplink control channel.
- the calculating unit 301 includes:
- a first calculating unit 3011 configured to calculate, by the set cell, a physical downlink control channel resource occupied by the set search space;
- the second calculating unit 3012 is configured to calculate, according to the physical downlink control channel resource occupied by the cell, the physical uplink control channel resource occupied by the cell.
- the processing unit 303 when the processing unit 303 adjusts the search space of the cell, it is specifically used to:
- the determining unit 302 when determining, by the determining unit 302, whether the physical uplink control channel resource occupied by the cell meets the set orthogonal requirement, the determining unit is specifically configured to:
- the uplink control channel resources satisfy the set orthogonal requirements.
- the determining unit 302 when determining, by the determining unit 302, whether the physical uplink control channel resource occupied by the cell meets the set frequency domain orthogonal requirement, is specifically configured to:
- the determining unit 302 when determining, by the determining unit 302, whether the physical uplink control channel resource occupied by the cell meets the set code domain orthogonal requirement, is specifically configured to:
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell is orthogonal to the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell If the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell, and the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell, If the orthogonal sequences are different, it is confirmed that the physical uplink control channel resources occupied by the cell satisfy the code domain orthogonal requirement.
- the device includes:
- the memory 501 is connected to the processor 502 for storing programs and data generated during the running of the program;
- the processor 502 is configured to implement the following functions by running a program stored in the memory 501:
- the set orthogonal requirement is to repeatedly adjust the search space of the cell and recalculate the physical uplink control channel resource occupied by the cell, until the physical uplink control channel resource occupied by the cell satisfies the setting Orthogonal requirements.
- the processor 502 When the channel resource selection apparatus according to the embodiment of the present invention is used to select a physical uplink control channel resource for the set cell, the processor 502 first calculates the physical uplink control channel resource occupied by the set cell, and then determines the cell. Whether the occupied physical uplink control channel resource meets the set orthogonal requirement; wherein the set orthogonal requirement is to ensure the physical uplink control channel resource occupied by the cell, and the neighboring cell of the cell If the physical uplink control channel resources occupied by the cell do not meet the set orthogonal requirements, the search space of the cell is repeatedly adjusted and Recalculating the physical uplink control channel resources occupied by the cell until the physical uplink control channel resources occupied by the cell meet the set orthogonal requirements.
- the physical uplink control channel selected for the set cell and the physical uplink control channel of the neighboring cell of the cell are orthogonal to each other, and the physical uplink control channel of the cell and the physical of the neighboring cell of the cell are prevented. Interference occurs between the uplink control channels, which improves the transmission efficiency of the physical uplink control channel.
- the processor 502 when the processor 502 calculates the physical uplink control channel resource occupied by the set cell, the method is specifically used to:
- the physical downlink control channel resource occupied by the set cell in the set search space is calculated, and the physical uplink control channel resource occupied by the cell is calculated according to the physical downlink control channel resource occupied by the cell.
- the method is specifically used to:
- the uplink control channel resources satisfy the set orthogonal requirements.
- the method is specifically used to:
- the method is specifically used to:
- the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell is orthogonal to the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell If the orthogonal sequence of the uplink subframe corresponding to the physical uplink control channel resource occupied by the cell, and the uplink subframe corresponding to the physical uplink control channel resource occupied by the neighboring cell of the cell, If the orthogonal sequences are different, it is confirmed that the physical uplink control channel resources occupied by the cell satisfy the code domain orthogonal requirement.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明提出一种信道资源的选择方法,包括:计算得到设定的小区所占用的物理上行控制信道资源;判断所述小区所占用的物理上行控制信道资源是否满足与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果不满足要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足要求。采用上述技术方案,能够保证为设定小区选择的物理上行控制信道与该小区相邻小区的物理上行控制信道之间相互正交,防止该小区的物理上行控制信道与该小区的相邻小区的物理上行控制信道之间产生干扰,提高了物理上行控制信道的传输效率。
Description
本发明涉及移动通信技术领域,尤其涉及一种信道资源的选择方法及装置。
在长期演进(Long Term Evolution,LTE)移动通信系统中,限制系统性能的一个重要因素是基站相邻小区间的相互干扰,尤其是处于小区边缘的移动终端,很可能受到相邻小区移动终端的干扰,而造成通信不稳定的情况。应用小区间干扰协调(Inter-Cell Interference Coordination,ICIC)技术配置小区,可以防止相邻小区间的业务信道产生干扰。然而,应用上述ICIC技术配置小区,并不能防止相邻小区间的控制信道产生干扰。
在LTE移动通信系统中,移动终端需要通过物理上行控制信道(Physical Uplink Control Channel,PUCCH)向基站发送ACK/NACK信息,如果相邻小区的物理上行控制信道PUCCH之间发生干扰,会影响PUCCH的解调性能,降低PUCCH的传输效率。由于现有的LTE系统在配置小区时,并没有针对控制信道的干扰做出有效预防措施,因此,现有的LTE系统的相邻小区的物理上行控制信道PUCCH之间容易产生干扰,其解调性能较差、传输效率较低。
发明内容
基于上述现有技术的缺陷和不足,本发明提出一种信道资源的选择方法及装置,采用本发明技术方案,能够使得相邻小区的物理上行控制信道之间相互正交,提高了传输效率。
一种信道资源的选择方法,包括:
计算得到设定的小区所占用的物理上行控制信道资源;
判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要 求;
如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
优选地,所述计算得到设定的小区所占用的物理上行控制信道资源,包括:
计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;
根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
优选地,所述调整所述小区的搜索空间,包括:
调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
优选地,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求,包括:
判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;
如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
优选地,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,包括:
判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;
如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻 小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
优选地,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求,包括:
判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;
如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
一种信道资源的选择装置,包括:
计算单元,用于计算得到设定的小区所占用的物理上行控制信道资源;
判断单元,用于判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;
处理单元,用于在所述判断单元判断所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求时,重复执行以下操作:
调整所述小区的搜索空间,并调用所述计算单元重新计算所述小区所占用的物理上行控制信道资源,直到所述判断单元判断所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
优选地,所述计算单元,包括:
第一计算单元,用于计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;
第二计算单元,用于根据所述小区所占用的物理下行控制信道资源,计算 得到所述小区所占用的物理上行控制信道资源。
优选地,所述处理单元调整所述小区的搜索空间时,具体用于:
调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
优选地,所述判断单元判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
优选地,所述判断单元判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求时,具体用于:
判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
优选地,所述判断单元判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
一种信道资源的选择装置,包括:
存储器及处理器;
其中,所述存储器与所述处理器连接,用于存储程序;
所述处理器,用于通过运行所述存储器中存储的程序,实现以下功能:
计算得到设定的小区所占用的物理上行控制信道资源;判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
优选地,所述处理器计算得到设定的小区所占用的物理上行控制信道资源时,具体用于:
计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
优选地,所述处理器调整所述小区的搜索空间时,具体用于:
调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
优选地,所述处理器判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
优选地,所述处理器判断所述小区所占用的物理上行控制信道资源是否满 足设定的频域正交要求时,具体用于:
判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
优选地,所述处理器判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
应用本发明提出的信道资源的选择方法,为设定的小区选择物理上行控制信道资源时,首先计算得到设定的小区所占用的物理上行控制信道资源;然后判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。采用上述技术方案,能够保证为设定小区选择的物理上行控制信道与该小区相邻小区的物理上行控制信道之间相互正交,防止该小区的物理上行控制信道与该小区的相邻小区的物理上行控制信道之间产生干扰,提高了物理上行控制信道的传输效率。
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,还可以根据提供的附图获得其他的附图。
图1是本发明实施例提供的一种信道资源的选择方法的流程示意图;
图2是本发明实施例提供的另一种信道资源的选择方法的流程示意图;
图3是本发明实施例提供的一种信道资源的选择装置的结构示意图;
图4是本发明实施例提供的另一种信道资源的选择装置的结构示意图;
图5是本发明实施例提供的另一种信道资源的选择装置的结构示意图。
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做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。
本发明实施例公开了一种信道资源的选择方法,参见图1所示,该方法包括:
S101、计算得到设定的小区所占用的物理上行控制信道资源;
其中,n
CCE是相应下行控制信息(Downlink Control Information,DCI)传输的第一个控制信道单元(Control channel element,CCE)号;
由上 层配置;
同样的对于TDD,只要反馈窗口内存在PDCCH传输,则相应的
综上,
是通过最近的PDCCH使用的第一个CCE编号来隐式通知。因此,在本步骤处理中,只要根据设定小区的搜索空间,计算得到该小区的PDCCH,即可进一步通过计算得到的PDCCH计算得到该小区所占用的物理上行控制信道资源。
需要说明的是,本发明实施例可以对设定小区的所有用户设备所占用的物理上行控制信道资源进行设定,也可以仅对设定小区的边缘用户设备所占用的物理上行控制信道资源进行设定。当所限定的用户设备数量不同时,只是应用本发明实施例技术方案的空间范围不同,其本质上的计算方法,与本发明实施例涉及的方法相同。
S102、判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;
具体的,在计算得到设定小区所占用的物理上行控制信道资源后,进一步判断该小区所占用的物理上行控制信道资源,与该小区的相邻小区所占用的物理上行控制信道资源之间是否相互正交。当该小区所占用的物理上行控制信道资源与该小区的相邻小区所占用的物理上行控制信道资源之间均相互正交时,相邻小区之间的物理上行控制信道之间不会产生干扰,各相邻小区的物理上行控制信道的传输效率均得到保障。
需要说明的是,上述设定的正交要求,可以是频域正交要求,也可以是码 域正交要求,即该小区所占用的物理上行控制信道资源与该小区相邻的小区所占用的物理上行控制信道资源满足频域正交或满足码域正交即可。上述设定的正交要求,是在为小区选择物理上行控制信道资源前,根据实际应用场景,为了保证各相邻小区之间的PUCCH之间相互正交而提前设置的正交要求,具体可以是设置于基站内部的固定的正交要求,也可以是根据应用场景,临时设置的正交要求。
如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复执行以下步骤:
S103、调整所述小区的搜索空间,并返回步骤S101重新计算所述小区所占用的物理上行控制信道资源,直到经步骤S102判断所述小区所占用的物理上行控制信道资源满足所述设定的正交要求为止。
具体的,如果判断确认计算得到的,该设定小区当前所占用的物理上行控制信道资源不满足正交要求,也就是说该小区所占用的物理上行控制信道资源与该小区的相邻小区所占用的物理上行控制信道资源之间非相互正交。那么,重复对该设定小区重新选择物理上行控制信道资源,直到该小区所占用的物理上行控制信道资源与该小区的相邻小区所占用的物理上行控制信道资源之间相互正交。
如果判断确认该小区当前所占用的物理上行控制信道资源满足正交要求,则直接将该小区当前所占用的物理上行控制信道资源分配给该小区,不需要再为该小区所占用的物理上行控制信道资源进行设置。
需要说明的是,当经过步骤S102判断上述小区所占用的物理上行控制信道资源不满足设定的正交要求时,一方面,可以先不对该小区的搜索空间进行调整,以及再次计算该小区所占用的物理上行控制信道资源,而是放弃对该小区RNTI的物理上行控制信道资源进行调度,可以选择小区其他RNTI进行调度,具体的调度方法与本发明实例提出的处理方法相同。另一方面,在多次调整上述小区的搜索空间,或者已遍历上述小区的所有搜索空间后,仍然不能使上述小区占用的物理上行控制信道资源满足设定的正交要求,则放弃为该小区RNTI调度物理上行控制信道资源,选择小区其他RNTI进行调度尝试,其调 度选择方法同样与本发明实施例提出的处理方法相同。
应用本发明实施例提出的信道资源的选择方法,为设定的小区选择物理上行控制信道资源时,首先计算得到设定的小区所占用的物理上行控制信道资源;然后判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。采用上述技术方案,能够保证为设定小区选择的物理上行控制信道与该小区相邻小区的物理上行控制信道之间相互正交,防止该小区的物理上行控制信道与该小区的相邻小区的物理上行控制信道之间产生干扰,提高了物理上行控制信道的传输效率。
可选的,在本发明的另一个实施例中,参见图2所示,所述计算得到设定的小区所占用的物理上行控制信道资源,包括:
S201、计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;
具体的,一个PDCCH信道由若干个连续的控制信道单元CCE组成,其中,每个CCE由9个资源组REG组成,每个REG由4个资源单元RE组成,每个RE映射一个QPSK调制符号。假设控制信道中可用于PDCCH的REG数为N
REG(用于PCFICH和PHICH的REG除外),则每个TTI中包含的CCE数为
用0到N
CCE-1进行编号。在进行PDCCH分配时,一个包含n个连续CCE的PDCCH信道只能从imodn=0的位置开始连续分配n个CCE,其中,i为CCE编号,n为聚合等级。
具体来说,用户端使用的PDCCH资源需要通过搜索空间来确定,计算公式如下:
其中,n
CCE代表PDCCH资源所占用的第一个控制信道单元,确定了n
CCE,也就相当于确定了PDCCH所占用的资源;L表示聚合等级;k是一个无线帧内的子帧编号;N
CCE,k表示第k个子帧控制区域内的总CCE个数;m表示候选的PDCCH集合;i=0,…,L-1;对于公共搜索空间Y
k=0,对于用户专用搜索空间,Y
k是与RNTI和子帧编号相关的一个值,定义为:Y
k=(A×Y
k-1)modD,其中,Y
-1=n
RNTI,A=39827,D=65537。
通过上述公式,计算得到设定小区所占用的物理下行控制信道资源。
S202、根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
具体的,通过步骤S201中的公式计算得到n
CCE后,进一步根据公式
或
本实施例中的步骤S203~S204分别对应图1所示的方法的实施例中的步骤S102~S103,其具体内容请参见对应图1所示的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,所述调整所述小区的搜索空间,包括:
调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
具体的,参见上述实施例介绍,小区所占用的物理上行控制信道资源,由该小区所占用的物理下行控制信道资源隐式通知,也就是说,小区的物理上行控制信道资源由该小区所占用的物理下行控制信道资源决定。而小区所占用的物理下行控制信道资源通过搜索空间来决定,因此,调整小区的搜索空间,即 可改变小区所占用的物理上行控制信道资源。具体的,调整小区的物理下行控制信道的聚合等级,或改变小区的候选物理下行控制信道集合,都可以达到调整小区的搜索空间的目的。
可选的,在本发明的另一个实施例中,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求,包括:
判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;
如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
具体的,只要上述小区所占用的物理上行控制信道资源与该小区的相邻小区所占用的物理上行控制信道资源,在频域正交或在码域正交即可。上述小区所占用的物理上行控制信道资源满足设定的频域正交要求,是指上述小区所占用的物理上行控制信道频域资源与该小区相邻小区所占用的物理上行控制信道频域资源均不相同;上述小区所占用的物理上行控制信道资源满足设定的码域正交要求,是指上述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与上述小区相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同。
在实际实施本发明实施例技术方案时,从频域或码域任选一方面判断上述小区所占用的物理上行控制信道资源是否满足相应的正交要求。
可选的,在本发明的另一个实施例中,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,包括:
判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;
如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用 的物理上行控制信道资源满足设定的频域正交要求。
具体的,小区的物理上行控制信道所占用的频域资源如下式所示:
参照上述公式,需要说明的是,当
时,从码域判断上述小区所占用的物理上行控制信道资源是否满足设定的正交要求。其他情况下,通过本发明实施例技术方案判断上述小区所占用的物理上行控制信道资源是否满足设定的正交要求。
根据上述公式,计算得到小区的物理上行控制信道所占用的频域资源m。只要上述小区的m,与该小区相邻小区的m均不相同,则认为上述小区的物理上行控制信道所占用的频域资源,与上述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,也就是说上述小区所占用的物理上行控制信道资源满足设定的频域正交要求。否则,认为上述小区所占用的物理上行控制信道资源不满足设定的频域正交要求
为了保证cell1、cell2和cell3的PUCCH之间相互正交,对上述三个小区设置频域正交要求:保证各小区的PUCCH所占用的频率资源m mod3不同;具体的,对于cell1,设置频域正交要求m mod3=0;对于cell2,设置频域正交要求m mod3=1;对于cell3,设置频域正交要求m mod3=2;m值可以与PCI mod3的值一致。对上述小区中的每个小区,计算其PUCCH所占用的频率资源m,具体公式如下:
通过比较cell1、cell2和cell3的m,即可判断小区是否满足设定的频域正交要求。当每个小区都满足频域正交要求时,cell1、cell2和cell3的PUCCH之间相互正交。
需要说明的是,对于三个相邻小区cell1、cell2和cell3,也可以不必将每个小区的频域正交要求设定为每个小区的m为特定的值。理论上,只要保证每个小区的m互不相同,即可保证三个小区的PUCCH之间相互正交,即小区所占用的PUCCH资源满足频域正交要求。
可选的,在本发明的另一个实施例中,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求,包括:
判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;
如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
具体的,小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,由下式确定:
通过上述公式,计算得到上述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列n
oc(n
s)。只要上述小区的n
oc(n
s),与该小区相邻小区的n
oc(n
s)均不相同,即确认上述小区所占用的PUCCH资源所对应的上行子帧的正交序列,与该小区相邻小区所占用的PUCCH资源所对应的上行子帧的正交序列不同,也就是说上述小区所占用的物理上行控制信道资源满足设定的码域正交要求。否则,认为上述小区所占用的物理上行控制信道资源不满足设定的码域正交要求。
为了保证cell1、cell2和cell3的PUCCH之间相互正交,对上述三个小区设置码域正交要求:保证cell1、cell2和cell3各个小区所占用的PUCCH资源对应的上行子帧的正交序列n
oc(n
s)不同;具体的,对于cell1,要求其n
oc(n
s)=0;对于cell2,要求其n
oc(n
s)=1;对于cell3,要求其n
oc(n
s)=2。对上述三个小区,计算其占用的PUCCH资源对应的上行子帧的正交序列n
oc(n
s),具体公式如下:
由于第二个时隙的正交码由第一个时隙的正交码间接决定,因此,只需要确定第一个时隙的资源正交即可。
通过比较cell1、cell2和cell3的n
oc(n
s),即可判断小区是否满足设定的码 域正交要求。当每个小区都满足码域正交要求时,cell1、cell2和cell3的PUCCH之间相互正交。
需要说明的是,对于三个相邻小区cell1、cell2和cell3,也可以不必将每个小区的码域正交要求设定为每个小区的n
oc(n
s)为特定的值。理论上,只要保证每个小区的n
oc(n
s)互不相同,即可保证三个小区的PUCCH之间相互正交,即小区所占用的PUCCH资源满足码域正交要求。
本发明实施例公开了一种信道资源的选择装置,参见图3所示,该装置包括:
计算单元301,用于计算得到设定的小区所占用的物理上行控制信道资源;
判断单元302,用于判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;
处理单元303,用于在所述判断单元302判断所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求时,重复执行以下操作:
调整所述小区的搜索空间,并调用所述计算单元301重新计算所述小区所占用的物理上行控制信道资源,直到所述判断单元302判断所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
具体的,本实施例中各个单元的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
应用本发明实施例提出的信道资源的选择装置,为设定的小区选择物理上行控制信道资源时,首先由计算单元301计算得到设定的小区所占用的物理上行控制信道资源;然后判断单元302判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道 资源不满足所述设定的正交要求,则处理单元303重复调整所述小区的搜索空间并调用计算单元301重新计算所述小区所占用的物理上行控制信道资源,直到判断单元302判断所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。利用上述装置,能够保证为设定小区选择的物理上行控制信道与该小区相邻小区的物理上行控制信道之间相互正交,防止该小区的物理上行控制信道与该小区的相邻小区的物理上行控制信道之间产生干扰,提高了物理上行控制信道的传输效率。
可选的,在本发明的另一个实施例中,参见图4所示,计算单元301,包括:
第一计算单元3011,用于计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;
第二计算单元3012,用于根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
具体的,本实施例中各个单元的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,处理单元303调整所述小区的搜索空间时,具体用于:
调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
具体的,本实施例中处理单元303的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,判断单元302判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则 判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
具体的,本实施例中判断单元302的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,判断单元302判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求时,具体用于:
判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
具体的,本实施例中判断单元302的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,判断单元302判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
具体的,本实施例中判断单元302的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
本发明实施例公开了另一种信道资源的选择装置,参见图5所示,该装置包括:
存储器501及处理器502;
其中,存储器501与处理器502连接,用于存储程序及程序运行过程中产 生的数据;
处理器502,用于通过运行存储器501中存储的程序,实现以下功能:
计算得到设定的小区所占用的物理上行控制信道资源;判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
具体的,本实施例中各个部分的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
应用本发明实施例提出的信道资源的选择装置,为设定的小区选择物理上行控制信道资源时,处理器502首先计算得到设定的小区所占用的物理上行控制信道资源;然后判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。利用上述装置,能够保证为设定小区选择的物理上行控制信道与该小区相邻小区的物理上行控制信道之间相互正交,防止该小区的物理上行控制信道与该小区的相邻小区的物理上行控制信道之间产生干扰,提高了物理上行控制信道的传输效率。
可选的,在本发明的另一个实施例中,处理器502计算得到设定的小区所占用的物理上行控制信道资源时,具体用于:
计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
具体的,本实施例中处理器502的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,处理器502调整所述小区的搜索空间时,具体用于:
调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
具体的,本实施例中处理器502的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,处理器502判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
具体的,本实施例中处理器502的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,处理器502判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求时,具体用于:
判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
具体的,本实施例中处理器502的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
可选的,在本发明的另一个实施例中,处理器502判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求时,具体用于:
判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
具体的,本实施例中处理器502的具体工作内容,请参见对应的方法实施例的内容,此处不再赘述。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (13)
- 一种信道资源的选择方法,其特征在于,包括:计算得到设定的小区所占用的物理上行控制信道资源;判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
- 根据权利要求1所述的方法,其特征在于,所述计算得到设定的小区所占用的物理上行控制信道资源,包括:计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
- 根据权利要求1所述的方法,其特征在于,所述调整所述小区的搜索空间,包括:调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
- 根据权利要求1所述的方法,其特征在于,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求,包括:判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
- 根据权利要求4所述的方法,其特征在于,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,包括:判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
- 根据权利要求4所述的方法,其特征在于,所述判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求,包括:判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
- 一种信道资源的选择装置,其特征在于,包括:计算单元,用于计算得到设定的小区所占用的物理上行控制信道资源;判断单元,用于判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;处理单元,用于在所述判断单元判断所述小区所占用的物理上行控制信道 资源不满足所述设定的正交要求时,重复执行以下操作:调整所述小区的搜索空间,并调用所述计算单元重新计算所述小区所占用的物理上行控制信道资源,直到所述判断单元判断所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
- 根据权利要求7所述的装置,其特征在于,所述计算单元,包括:第一计算单元,用于计算得到设定的小区,在设定的搜索空间所占用的物理下行控制信道资源;第二计算单元,用于根据所述小区所占用的物理下行控制信道资源,计算得到所述小区所占用的物理上行控制信道资源。
- 根据权利要求7所述的装置,其特征在于,所述处理单元调整所述小区的搜索空间时,具体用于:调整所述小区的物理下行控制信道的聚合等级,或改变所述小区的候选物理下行控制信道集合。
- 一种信道资源的选择装置,其特征在于,包括:存储器及处理器;其中,所述存储器与所述处理器连接,用于存储程序;所述处理器,用于通过运行所述存储器中存储的程序,实现以下功能:计算得到设定的小区所占用的物理上行控制信道资源;判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求;其中,所述设定的正交要求为保证所述小区所占用的物理上行控制信道资源,与所述小区的相邻小区所占用的物理上行控制信道资源之间,均相互正交的要求;如果所述小区所占用的物理上行控制信道资源不满足所述设定的正交要求,则重复调整所述小区的搜索空间并重新计算所述小区所占用的物理上行控制信道资源,直到所述小区所占用的物理上行控制信道资源满足所述设定的正交要求。
- 根据权利要求10所述的装置,其特征在于,所述处理器判断所述小区所占用的物理上行控制信道资源是否满足设定的正交要求时,具体用于:判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求,或判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求;如果所述小区所占用的物理上行控制信道资源满足设定的频域正交要求,或所述小区所占用的物理上行控制信道资源满足设定的码域正交要求,则判断所述小区所占用的物理上行控制信道资源满足设定的正交要求。
- 根据权利要求11所述的装置,其特征在于,所述处理器判断所述小区所占用的物理上行控制信道资源是否满足设定的频域正交要求时,具体用于:判断所述小区的物理上行控制信道所占用的频域资源,是否与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同;如果所述小区的物理上行控制信道所占用的频域资源,与所述小区的相邻小区的物理上行控制信道所占用的频域资源均不相同,则确认所述小区所占用的物理上行控制信道资源满足设定的频域正交要求。
- 根据权利要求11所述的装置,其特征在于,所述处理器判断所述小区所占用的物理上行控制信道资源是否满足设定的码域正交要求时,具体用于:判断所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,是否与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同;如果所述小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列,与所述小区的相邻小区所占用的物理上行控制信道资源所对应的上行子帧的正交序列均不相同,则确认所述小区所占用的物理上行控制信道资源满足码域正交要求。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/116847 WO2019119179A1 (zh) | 2017-12-18 | 2017-12-18 | 一种信道资源的选择方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/116847 WO2019119179A1 (zh) | 2017-12-18 | 2017-12-18 | 一种信道资源的选择方法及装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019119179A1 true WO2019119179A1 (zh) | 2019-06-27 |
Family
ID=66992842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2017/116847 WO2019119179A1 (zh) | 2017-12-18 | 2017-12-18 | 一种信道资源的选择方法及装置 |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2019119179A1 (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011050858A1 (en) * | 2009-11-02 | 2011-05-05 | Nokia Siemens Networks Oy | Uplink channel sounding |
CN102238649A (zh) * | 2010-04-30 | 2011-11-09 | 电信科学技术研究院 | 一种异构系统中上行控制信道干扰避免的方法和设备 |
CN102469466A (zh) * | 2010-11-11 | 2012-05-23 | 华为技术有限公司 | 一种干扰处理方法与装置 |
CN102547727A (zh) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团公司 | 频带分配方法及装置 |
CN104038455A (zh) * | 2013-03-08 | 2014-09-10 | 京信通信技术(广州)有限公司 | 一种上行控制信道的干扰抑制方法及装置 |
-
2017
- 2017-12-18 WO PCT/CN2017/116847 patent/WO2019119179A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011050858A1 (en) * | 2009-11-02 | 2011-05-05 | Nokia Siemens Networks Oy | Uplink channel sounding |
CN102238649A (zh) * | 2010-04-30 | 2011-11-09 | 电信科学技术研究院 | 一种异构系统中上行控制信道干扰避免的方法和设备 |
CN102469466A (zh) * | 2010-11-11 | 2012-05-23 | 华为技术有限公司 | 一种干扰处理方法与装置 |
CN102547727A (zh) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团公司 | 频带分配方法及装置 |
CN104038455A (zh) * | 2013-03-08 | 2014-09-10 | 京信通信技术(广州)有限公司 | 一种上行控制信道的干扰抑制方法及装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11212800B2 (en) | Method and apparatus for communication in wireless communication system | |
EP3179787B1 (en) | Terminal device and method for transmit power control | |
US9578628B2 (en) | PUCCH resource configuration method, transmission method, device and system | |
US8982833B2 (en) | Communication resource allocation strategy | |
WO2015139429A1 (zh) | 控制信息的传输、接收方法、装置及系统 | |
JP6446743B2 (ja) | 端末、基地局、および、通信方法 | |
WO2016138646A1 (zh) | 混合自动重传请求确认传输方法和装置 | |
CN110324896B (zh) | 资源指示、确定方法及装置 | |
EP3160197A1 (en) | Terminal device, base-station device, and communication method | |
JP6306164B2 (ja) | 無線通信システムにおける端末のack/nack送信方法及び装置 | |
US8873490B2 (en) | Uplink control channel resource allocation for semi-persistent scheduling of user equipment | |
US11330568B2 (en) | Uplink control information transmitting method, device, storage medium, and user equipment | |
CN109996337A (zh) | 一种上行控制信息的传输方法及装置 | |
JP6656150B2 (ja) | 端末装置、基地局装置、および通信方法 | |
WO2011026383A1 (zh) | 一种物理层控制信道资源的分配方法和装置 | |
WO2019128386A1 (zh) | 一种上行控制信息的传输方法及装置 | |
US10492216B2 (en) | Method and BS for scheduling UE, and method and UE for transmitting HARQ | |
US9775161B2 (en) | Method for PHICH resource allocation | |
US20190174428A1 (en) | Uplink channel sending method and apparatus | |
US20200337046A1 (en) | Method and apparatus for transmitting uplink control information | |
EP3171646A1 (en) | Terminal device, base station device, and communication method | |
EP3160195A1 (en) | Terminal device, base-station device, and communication method | |
CN103476120B (zh) | 物理上行控制信道的发送、处理方法及装置 | |
CN104427494B (zh) | 无线网络临时标识的分配方法 | |
EP3641440B1 (en) | Uplink control channel transmission method, terminal, base station and device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17935094 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 17935094 Country of ref document: EP Kind code of ref document: A1 |