CN104244420A - Resource allocation and data transmission method, equipment and system - Google Patents
Resource allocation and data transmission method, equipment and system Download PDFInfo
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- CN104244420A CN104244420A CN201410468314.4A CN201410468314A CN104244420A CN 104244420 A CN104244420 A CN 104244420A CN 201410468314 A CN201410468314 A CN 201410468314A CN 104244420 A CN104244420 A CN 104244420A
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- H04W72/04—Wireless resource allocation
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Abstract
The invention discloses a resource allocation and data transmission method used for providing a low-complexity resource allocation scheme for a wireless communication system with different uplink and downlink resource particle sizes. The invention further provides related equipment and a related system. According to certain feasible execution modes, the sum of bandwidths of a plurality of uplink subcarriers is equal to the bandwidth of a downlink carrier in the wireless communication system. The resource allocation and data transmission method comprises the steps that first user equipment receives resource allocation information sent by network side equipment, wherein the resource allocation information indicates the first user equipment to adopt the first uplink subcarrier in the uplink subcarriers in an uplink mode and indicates the first user equipment to adopt a first downlink resource group in a downlink mode, and the first downlink resource group is one of multiple downlink resource groups formed by dividing resources of the downlink carrier according to time domains; the first user equipment adopts the first downlink resource group for receiving downlink data and adopts the first uplink subcarrier for sending uplink data.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of Resourse Distribute and data transmission method, equipment and system.
Background technology
Along with the internet of things service development trend that future is ubiquitous, Internet of Things solution based on radio communication becomes current study hotspot, typically as the business such as intelligent meter data recording need wider coverage distance compared to existing wireless traffic, new technical need is proposed to existing wireless technology.Research conclusion shows, under identical transmitted power, reduces transmission bandwidth, the power spectral density (Power Spectrum Density, PSD) of promotion signal, can be used for the coverage of elevator system.For downlink transfer, the transmitted power of network equipment can reduce along with the reduction of transmission bandwidth, and therefore, downlink transfer does not promote PSD by reducing transmission bandwidth, can only promote covering level by the repetition transmission technology of routine.But for uplink, because the transmitted power of subscriber equipment is constant, this kind, under identical transmitted power, promotes the mode of PSD by reducing transmission bandwidth, it is the quite effective mode of elevator system covering level.
The reduction of uplink bandwidth, will cause uplink and downlink transmission bandwidth different.But various wireless communication systems such as Long Term Evolution (Long Term Evolution, the LTE) system of prior art, its Resource Allocation Formula can only be applicable to the identical situation of uplink and downlink transmission bandwidth.And, in the Resource Allocation Formula of existing LTE system, adopt the transmission means of the corresponding multiple descending carrier of multiple up-link carrier, the schedule information of multiple up-link carrier may be carried in different descending carriers, also may be carried in same descending carrier, therefore, frequency domain exists multiple resources scheduling mode; And, even if the schedule information of multiple up-link carrier is carried in same descending carrier, yet there is multiple resources scheduling mode in time domain, thus cause subscriber equipment must carry out Real-Time Monitoring to source scheduling mode, this just makes the complexity of subscriber equipment higher, and power consumption is larger.
Summary of the invention
The embodiment of the present invention provides a kind of Resourse Distribute and data transmission method, equipment and system, provides for the wireless communication system different for downstream transmission bandwidth the Resource Allocation Formula that a kind of complexity is lower.
First aspect present invention provides a kind of Resourse Distribute and data transmission method, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described method comprises: described first user equipment receives the resource allocation information that described network equipment sends, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier; Described first user equipment adopts described first downlink resource group downlink data receiving, and, adopt described first uplink sub-carrier to send upstream data.
In conjunction with first aspect, in the implementation that the first is possible, the resource allocation information that described first user equipment receives the transmission of described network equipment comprises: described first user equipment receives the down control channel DCCH signal that described network equipment sends, obtain the resource allocation information carried in described DCCH signal, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, before described first user equipment receives the resource allocation information of described network equipment transmission, also comprise: described first user equipment receives the Physical Broadcast Channel PBCH signal that described network equipment sends, obtain the ascending resource division information of carrying in described PBCH signal, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In conjunction with the implementation that the first or the second of first aspect are possible, in the implementation that the third is possible, the basic resource unit of described wireless communication system forms a block Block for burst Burst, the multiple Burst of continuous print; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, described first user equipment adopts described first downlink resource group downlink data receiving, and, adopt described first uplink sub-carrier to send upstream data and comprise: described first user equipment is numbered described first downlink resource group
block or be numbered
burst receive downlink data, then being numbered in described first uplink sub-carrier
block or be numbered
burst send upstream data, wherein,
represent and round downwards, m is positive integer.
Second aspect present invention provides another kind of Resourse Distribute and data transmission method, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described method comprises: described network equipment sends resource allocation information to described first user equipment, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier; Described first downlink resource group is adopted to send downlink data to described first user equipment, and, receive the upstream data that described first user equipment is sent by described first uplink sub-carrier.
In conjunction with second aspect, in the implementation that the first is possible, described network equipment sends resource allocation information and comprises to described first user equipment: described network equipment transmission carries the down control channel DCCH signal of resource allocation information to described first user equipment, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In conjunction with the first possible implementation of second aspect, in the implementation that the second is possible, described network equipment sends resource allocation information to before described first user equipment, also comprise: described network equipment send carry ascending resource division information Physical Broadcast Channel PBCH signal to described first user equipment, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In conjunction with the implementation that the first or the second of second aspect are possible, in the implementation that the third is possible, the basic resource unit of described wireless communication system forms a block Block for burst Burst, the multiple Burst of continuous print; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation, the described first downlink resource group of described employing sends downlink data to described first user equipment, and, receive described first user equipment and comprised by the upstream data of described first uplink sub-carrier transmission: being numbered of described first downlink resource group
block or be numbered
burst send downlink data to described first user equipment, receive described first user equipment sends, being numbered of being carried at described first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards, m is positive integer.
Third aspect present invention provides a kind of subscriber equipment, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple described subscriber equipment; Described subscriber equipment comprises: the first receiver module, for receiving the resource allocation information that described network equipment sends, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described subscriber equipment, and indicating described user's equipment downward to adopt the first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier; Second receiver module, for adopting described first downlink resource group downlink data receiving; Sending module, sends upstream data for adopting described first uplink sub-carrier.
In conjunction with the third aspect, in the implementation that the first is possible, the down control channel DCCH signal that described first receiver module sends specifically for receiving described network equipment, obtain the resource allocation information carried in described DCCH signal, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In conjunction with the first possible implementation of the third aspect, in the implementation that the second is possible, described first receiver module is also for receiving the Physical Broadcast Channel PBCH signal that described network equipment sends, obtain the ascending resource division information of carrying in described PBCH signal, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In conjunction with the implementation that the first or the second of the third aspect are possible, in the implementation that the third is possible, the basic resource unit of described wireless communication system forms a block Block for burst Burst, the multiple Burst of continuous print; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation, described second receiver module is specifically for being numbered in described first downlink resource group
block or be numbered
burst receive downlink data; Described sending module, specifically for being numbered in described first uplink sub-carrier
block or be numbered
burst send upstream data, wherein,
represent and round downwards, m is positive integer.
Fourth aspect present invention provides a kind of network equipment, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described network equipment comprises: the first sending module, for sending resource allocation information to described first user equipment, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier; Second sending module, sends downlink data to described first user equipment for adopting described first downlink resource group; And receiver module, for receiving the upstream data that described first user equipment is sent by described first uplink sub-carrier.
In conjunction with fourth aspect, in the implementation that the first is possible, described first sending module carries the down control channel DCCH signal of resource allocation information to described first user equipment specifically for transmission, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In conjunction with the first possible implementation of fourth aspect, in the implementation that the second is possible, described first sending module also for send carry ascending resource division information Physical Broadcast Channel PBCH signal to described first user equipment, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In conjunction with the implementation that the first or the second of fourth aspect are possible, in the implementation that the third is possible, the basic resource unit of described wireless communication system forms a block Block for burst Burst, the multiple Burst of continuous print; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
In conjunction with the third possible implementation of fourth aspect, in the 4th kind of possible implementation, described second sending module, specifically for being numbered in described first downlink resource group
block or be numbered
burst send downlink data to described first user equipment; Described receiver module, specifically for receiving described first user equipment sends, being numbered of being carried at described first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards, m is positive integer.
Fifth aspect present invention provides a kind of wireless communication system, the uplink and downlink resource granularity of described wireless communication system is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described subscriber equipment is the subscriber equipment as described in third aspect present invention, and described network equipment is the network equipment as described in fourth aspect present invention.
Therefore, the embodiment of the invention discloses a kind of Resourse Distribute and data transmission method, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, and subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, by each downlink resource group scheduling uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt the uplink sub-carrier of distributing carry out the transmission of data with corresponding downlink resource group and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present invention technical scheme, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of uplink sub-carrier and descending carrier in embodiment of the present invention wireless communication system;
Fig. 2 is the schematic diagram of the Resourse Distribute that provides of one embodiment of the invention and data transmission method;
Fig. 3 is the schematic diagram of the Resourse Distribute that provides of another embodiment of the present invention and data transmission method;
Fig. 4 is the resource structures figure of wireless communication system uplink and downlink in the present invention's application examples;
Fig. 5 is the schematic diagram of the subscriber equipment that one embodiment of the invention provides;
Fig. 6 is the schematic diagram of the network equipment that one embodiment of the invention provides;
Fig. 7 is the schematic diagram of the subscriber equipment that another embodiment of the present invention provides;
Fig. 8 is the schematic diagram of the network equipment that another embodiment of the present invention provides.
Embodiment
The embodiment of the present invention provides a kind of Resourse Distribute and data transmission method, equipment and system, provides a kind of Resource Allocation Formula for the narrow band communication scheme different for downstream transmission bandwidth.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The Resourse Distribute that the embodiment of the present invention provides and data transmission method are applied to a kind of wireless communication system.First do one to this wireless communication system below simply to introduce.This wireless communication system, can be based on GSM (Global System for Mobile communication, global system for mobile communications) or LTE (Long Term Evolution, Long Term Evolution) etc. the improvement of system, compared with existing GSM or LTE system, difference is, the transmission bandwidth of its uplink and downlink is different.Said transmission bandwidth and system bandwidth are different concepts, and system bandwidth refers to up or descending total bandwidth, and transmission bandwidth refers to the bandwidth of the carrier wave of concrete carrying signal on frequency domain.Carrier wave can be understood as the RF resources of a frequency range.
In existing GSM or LTE system, the resource granularity of uplink and downlink is identical, and in other words, bandwidth and the time slot of up-link carrier and descending carrier are all identical.And in the said wireless communication system of the present invention, in order to improve covering level, reduce up transmission bandwidth, by original identical with a descending carrier bandwidth up-link carrier, multiple subcarrier is divided into by frequency domain, each subscriber equipment (User Equipment, UE) uplink sub-carrier is only used to carry out the transmission of upstream data, thus reduce uplink bandwidth, under identical transmitted power, the PSD of uplink can be improved, and then the up coverage of elevator system.
In the embodiment of the present invention, a multiple uplink sub-carrier of descending carrier schedulable, in other words, the schedule information of multiple uplink sub-carrier comes from same descending carrier, the bandwidth sum of a schedulable multiple uplink sub-carrier of descending carrier, equals the bandwidth of this descending carrier.Further, the bandwidth of multiple uplink sub-carrier can be identical, also can be different, to adapt to the covering demand of different user devices.Further, the bandwidth of descending carrier is the integral multiple of the bandwidth of each uplink sub-carrier, such as 2 times, or 3 times, or 4 times, or more doubly.
In wireless communication system, definable basic resource unit, this basic resource unit is on frequency domain, occupy certain bandwidth, time domain occupies the signaling bearer unit of certain length.In uplink and downlink transmission, need to ensure that up basic resource unit is identical with the capacity of descending basic resource unit, to carry the signal of formed objects.On basic resource unit, can also comprise the Resource Unit of higher granularity, the Resource Unit of each higher granularity can comprise multiple basic resource unit.
In the wireless communication system of the embodiment of the present invention, bandwidth due to uplink sub-carrier is less than the bandwidth of descending carrier, in order to the capacity of the basic resource unit ensureing uplink and downlink is identical, just need the length of basic resource unit in time domain in corresponding prolongation uplink sub-carrier.Such as, the bandwidth of a uplink sub-carrier is 1/2nd of descending carrier bandwidth, then the time domain length of the basic resource unit of uplink sub-carrier, just needs the twice of the time domain length of the basic resource unit being descending carrier.In embodiment of the present invention system, because the time domain length of up basic resource unit there occurs change, then, the Resource Unit of higher granularity, also corresponding change can be there is in the time domain length of such as radio frames and subframe, when uplink sub-carrier bandwidth is reduced to a half of descending carrier bandwidth, the corresponding prolongation of time domain length one times of a up subframe, such as, become 2ms from 1ms.
In embodiment of the present invention wireless communication system, due to frequency domain width and the time domain length of the basic resource unit of uplink sub-carrier, all there occurs change relative to descending carrier, therefore, can say, the resource granularity of the uplink and downlink of this wireless communication system is different.Resource granularity can be understood as basic resource unit and parameter thereof, and parameter comprises frequency domain width and time domain length.
Please refer to Fig. 1, is in one embodiment of the invention wireless communication system, the schematic diagram of uplink sub-carrier and descending carrier.Longitudinally represent frequency domain bandwidth in Fig. 1, laterally represent time domain, as can be seen from the figure, 1 up-link carrier is divided into 4 uplink sub-carrier UL.Wherein, the bandwidth of the 1st uplink sub-carrier UL1 is 1/2 of the bandwidth of descending carrier DL, the bandwidth of the 2nd uplink sub-carrier UL2 is 1/4 of the bandwidth of descending carrier DL, the bandwidth of the 3rd uplink sub-carrier UL3 is the bandwidth of the 1/8,4th uplink sub-carrier UL4 of the bandwidth of descending carrier DL is also 1/8 of the bandwidth of descending carrier DL.Accordingly, in the equal length of time domain, the time domain length of the Resource Unit of uplink sub-carrier UL1, UL2, UL3, UL4 is 2 times, 4 times, 8 times, 8 times of the time domain length of the Resource Unit of descending carrier respectively.Visible, on identical time domain length, descending carrier DL comprises 8 Resource Units, 1st uplink sub-carrier UL1 comprises 4 Resource Units, 2nd uplink sub-carrier UL2 comprises 2 Resource Units, 3rd uplink sub-carrier UL3 comprises 1 Resource Unit, and the 4th uplink sub-carrier UL4 comprises 1 Resource Unit.
Above, simple introduction has been carried out to the wireless communication system of embodiment of the present invention method application.
Below by specific embodiment, respectively the technical scheme of the embodiment of the present invention is described in detail.
Please refer to Fig. 2, the embodiment of the present invention provides a kind of Resourse Distribute and data transmission method, for wireless communication system.This wireless communication system is the different wireless communication system of uplink and downlink resource granularity as described above.In this wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier.Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment.Method can comprise:
210, first user equipment Gains resources assignment information, resource allocation information is used to indicate the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of first user equipment, and instruction first user equipment descending employing first downlink resource group, wherein, the first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier.
220, described first user equipment adopts described first downlink resource group downlink data receiving, and, adopt described first uplink sub-carrier to send upstream data.
Embodiment of the present invention technical scheme can be the improvement of dispatching at a descending carrier of prior art on the basis of the wireless communication system of a up-link carrier, such as, improvement on gsm system basis.Dispatch in the wireless communication system of a up-link carrier at a said descending carrier, subscriber equipment knows the corresponding relation of the descending carrier of adopted up-link carrier and this up-link carrier of scheduling by multiple routine techniques, such as define this corresponding relation in the protocol and be stored in advance in subscriber equipment and network equipment, or, subscriber equipment is broadcast to by network equipment, etc., herein this is repeated no more.
In the embodiment of the present invention, in order to improve up covering, by a up-link carrier, be divided into multiple uplink sub-carrier by frequency domain, each subscriber equipment only uses a uplink sub-carrier to carry out the transmission of upstream data.Wherein, in some execution modes, confirmable a up-link carrier is divided into multiple uplink sub-carrier by frequency domain, follow-uply no longer adjusts.In other embodiments, which uplink sub-carrier a up-link carrier is divided into by frequency domain, the number of the uplink sub-carrier marked off and the bandwidth of each uplink sub-carrier, also can adjust according to grid situation in real time.
In the embodiment of the present invention, for illustration of the ascending resource division information of uplink sub-carrier dividing condition, can prestore in a user device, or, also by network equipment, ascending resource division information can be sent to subscriber equipment with broadcast mode, such as be carried in Physical Broadcast Channel (Physical Broadcast Channel, PBCH) signal and send to subscriber equipment.Such as, can comprise in ascending resource division information: the initial frequency of each uplink sub-carrier in multiple uplink sub-carrier and carrier bandwidths and carrier index.
In the wireless communication system of the embodiment of the present invention, the schedule information of multiple uplink sub-carrier comes from same descending carrier.Said schedule information comprises ascending resource division information and resource allocation information.Be appreciated that the schedule information due to multiple uplink sub-carrier comes from same descending carrier, thus, a descending carrier and the multiple uplink sub-carrier included by the schedulable up-link carrier of this descending carrier have the corresponding relation determined.Hereinafter, by a multiple uplink sub-carrier of descending carrier schedulable, the multiple uplink sub-carrier corresponding with this descending carrier are called.Said correspondence herein, refers to have schedulable relation each other.In the embodiment of the present invention, the bandwidth sum of a schedulable multiple uplink sub-carrier of descending carrier, should equal the bandwidth of this descending carrier.Further, the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier.In addition, the bandwidth of multiple uplink sub-carrier can be identical, also can be different, to adapt to the covering demand of different user devices.
In the embodiment of the present invention, a schedulable multiple uplink sub-carrier of descending carrier can be assigned with multiple subscriber equipment and use, each subscriber equipment uses one of them uplink sub-carrier to carry out the transmission of upstream data, but, this multiple subscriber equipment all uses same descending carrier to carry out the reception of downlink data, this divides into groups to the resource of descending carrier with regard to needing, distribute to multiple subscriber equipment respectively to mark off multiple downlink resource group, make each subscriber equipment use one of them downlink resource group to carry out the reception of downlink data respectively.
In the embodiment of the present invention, in advance the descending carrier resource of system can be divided into multiple downlink resource group by time domain by the network equipment of wireless communication system, and make the number of the schedulable multiple uplink sub-carrier of the number of divided downlink resource group and descending carrier identical.Wherein, the method that the resource of descending carrier is divided into multiple downlink resource group by time domain can be comprised: by all Resource Unit numberings of descending carrier, according to the rule preset, some Resource Unit of numbering is divided in a downlink resource group, thus marks off multiple downlink resource group.
Therefore, in the embodiment of the present invention, by frequency domain, up-link carrier is divided into groups, mark off multiple uplink sub-carrier; By time domain, descending carrier is divided into groups, mark off multiple downlink resource group; Subscriber equipment can use uplink sub-carrier and downlink resource group to carry out transmission or the reception of data respectively, and the bandwidth of uplink sub-carrier and downlink resource group is different, the time domain length of included basic resource unit is also different, thus, can successful Application at the different wireless communication system of up-downgoing resource granularity.
Be appreciated that before the transmission carrying out up-downgoing data, subscriber equipment needs Gains resources assignment information in advance, to learn the uplink sub-carrier and downlink resource group of distributing to oneself.In the embodiment of the present invention, such as, by the network equipment of system, base station, resource allocation information can be sent to subscriber equipment such as first user equipment.This resource allocation information is used to indicate the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of first user equipment, and instruction first user equipment descending employing first downlink resource group.Described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier.
In some embodiments of the invention, resource allocation information can be carried in down control channel (Downlink Control Channel, DCCH) signal by network equipment, sends to first user equipment.The DCCH signal that first user equipment sends by the network equipment of receiving system, obtains the resource allocation information carried in DCCH signal.The indication information of described first uplink sub-carrier can be comprised in described resource allocation information, with equipment for indicating user up employing first uplink sub-carrier, and the indication information of described first downlink resource group, with equipment for indicating user descending employing first downlink resource group.Wherein, the indication information of the first uplink sub-carrier can comprise: the carrier index of the first uplink sub-carrier in multiple uplink sub-carrier.
It should be noted that, specific in gsm system, described DCCH may correspond in Dedicated Control Channel (Dedicated Control Channel, DCCH).Specific in LTE system, described DCCH may correspond in Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH).Specific in other system, other down channel for transmitting control information can also be referred to.
After first user equipment receives resource allocation information, can, according to the instruction of resource allocation information, corresponding first downlink resource group be adopted to carry out the reception of downlink data, namely, in the Resource Unit that the first downlink resource group of descending carrier comprises, downlink data receiving; And, adopt corresponding first uplink sub-carrier to carry out upstream data transmission.Accordingly, network equipment receives the upstream data of first user equipment transmission in the first uplink sub-carrier, is carried in the Resource Unit included by the first downlink resource group by the downlink data corresponding to first user equipment, sends to first user equipment.
Therefore, in the embodiment of the present invention, frequency division is carried out to ascending resource, the time-division is carried out to downlink resource, in specific implementation, at least can pass through two kinds of modes.In a kind of mode, the frequency domain packet to up-link carrier and the time domain grouping to descending carrier, can by agreement predefine (i.e. the division of static state), network equipment and with prestoring per family.In another kind of mode, semi-static or dynamically divide by network equipment, and indicating user, such as, as described above, ascending resource division information is carried in PBCH signal and sends to subscriber equipment with broadcast mode; Resource allocation information is carried at DCCH signal and sends to subscriber equipment; Wherein, it is the information of multiple uplink sub-carrier that ascending resource division information comprises up-link carrier frequency division, and resource allocation information comprises the information by being divided into multiple downlink resource group during descending carrier.
Be appreciated that embodiment of the present invention such scheme such as can at subscriber equipment, such as, the equipment such as mobile phone is mobile communication terminal in other words, panel computer are specifically implemented.
Above, the embodiment of the invention discloses a kind of Resourse Distribute and data transmission method, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier (in other words, be respectively used to dispatch multiple uplink sub-carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring interior, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
Above, Fig. 2 embodiment is described from subscriber equipment one end the invention process method, below, herein also from network equipment one end, embodiment of the present invention method is described.
Please refer to Fig. 3, the embodiment of the present invention provides a kind of Resourse Distribute and data transmission method, for wireless communication system.This wireless communication system is the different wireless communication system of uplink and downlink resource granularity as described above.In this wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and multiple subscriber equipment comprises first user equipment.Method can comprise:
310, described network equipment sends resource allocation information to described first user equipment, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
320, described first downlink resource group is adopted to send downlink data to described first user equipment, and, receive the upstream data that described first user equipment is sent by described first uplink sub-carrier.
In the embodiment of the present invention, in order to improve up covering, by a up-link carrier, be divided into multiple uplink sub-carrier by frequency domain, each subscriber equipment only uses a uplink sub-carrier to carry out the transmission of upstream data.Wherein, in some execution modes, confirmable a up-link carrier is divided into multiple uplink sub-carrier by frequency domain, follow-uply no longer adjusts.In other embodiments, which uplink sub-carrier a up-link carrier is divided into by frequency domain, the number of the uplink sub-carrier marked off and the bandwidth of each uplink sub-carrier, also can adjust according to grid situation in real time.
In the embodiment of the present invention, for illustration of the ascending resource division information of uplink sub-carrier dividing condition, can prestore in a user device, or, also by network equipment, ascending resource division information can be sent to subscriber equipment with broadcast mode, such as be carried in Physical Broadcast Channel (Physical Broadcast Channel, PBCH) signal and send to subscriber equipment.Wherein, can comprise in ascending resource division information: the initial frequency of each uplink sub-carrier in multiple uplink sub-carrier and carrier bandwidths and carrier index.
In the wireless communication system of the embodiment of the present invention, the schedule information of multiple uplink sub-carrier comes from same descending carrier.Said schedule information comprises ascending resource division information and resource allocation information.Be appreciated that the schedule information due to multiple uplink sub-carrier comes from same descending carrier, thus, a descending carrier and the schedulable multiple uplink sub-carrier of this descending carrier have the corresponding relation determined.In the embodiment of the present invention, the bandwidth sum of a schedulable multiple uplink sub-carrier of descending carrier, should equal the bandwidth of this descending carrier.Further, the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier.In addition, the bandwidth of multiple uplink sub-carrier can be identical, also can be different, to adapt to the covering demand of different user devices.
In the embodiment of the present invention, a schedulable multiple uplink sub-carrier of descending carrier can be assigned with multiple subscriber equipment and use, each subscriber equipment uses one of them uplink sub-carrier to carry out the transmission of upstream data, but, this multiple subscriber equipment all uses same descending carrier to carry out the reception of downlink data, this divides into groups to the resource of descending carrier with regard to needing, distribute to multiple subscriber equipment respectively to mark off multiple downlink resource group, make each subscriber equipment use one of them downlink resource group to carry out the reception of downlink data respectively.In embodiment of the present invention method, in advance the descending carrier resource of system can be divided into multiple downlink resource group by time domain by the network equipment of wireless communication system, and make the number of divided downlink resource group identical with the number of the schedulable uplink sub-carrier of descending carrier, to make each downlink resource group and a uplink sub-carrier combine to match, for downlink reception and the up transmission of a subscriber equipment.In some embodiments of the invention, the method that the resource of descending carrier is divided into multiple downlink resource group by time domain can be comprised: by all basic resource unit numberings of descending carrier, according to the rule preset, some basic resource unit of numbering is divided in a downlink resource group, thus marks off multiple downlink resource group.
Therefore, in the embodiment of the present invention, by frequency domain, up-link carrier is divided into groups, mark off multiple uplink sub-carrier; By time domain, descending carrier is divided into groups, mark off multiple downlink resource group; Subscriber equipment can use uplink sub-carrier and downlink resource group to carry out transmission or the reception of data respectively, and the bandwidth of uplink sub-carrier and downlink resource group is different, the time domain length of included basic resource unit is also different, thus, can successful Application at the different wireless communication system of up-downgoing resource granularity.
Be appreciated that before the transmission carrying out up-downgoing data, subscriber equipment needs Gains resources assignment information in advance, to learn the uplink sub-carrier and downlink resource group of distributing to oneself.Such as, by the network equipment of system, base station, resource allocation information can be sent to first user equipment such as first user equipment.This resource allocation information is used to indicate the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of first user equipment, and instruction first user equipment descending employing first downlink resource group.Described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier.
In some embodiments of the invention, resource allocation information can be carried in DCCH signal by network equipment, sends to first user equipment.The DCCH signal that first user equipment sends by the network equipment of receiving system, obtains the resource allocation information carried in DCCH signal.The indication information of described first uplink sub-carrier can be comprised in described resource allocation information, with equipment for indicating user up employing first uplink sub-carrier, and the indication information of described first downlink resource group, with equipment for indicating user descending employing first downlink resource group.Wherein, the indication information of the first uplink sub-carrier can comprise: the carrier index of the first uplink sub-carrier in multiple uplink sub-carrier.
After first user equipment receives resource allocation information, can, according to the instruction of resource allocation information, adopt corresponding first downlink resource group to carry out the reception of downlink data, that is, in the first downlink resource group of descending carrier, downlink data receiving; And, adopt corresponding first uplink sub-carrier to carry out upstream data transmission.Accordingly, network equipment receives the upstream data of first user equipment transmission in the first uplink sub-carrier, and, the downlink data corresponding to first user equipment is carried in the Resource Unit included by the first downlink resource group, sends to first user equipment.
Therefore, in the embodiment of the present invention, frequency division is carried out to ascending resource, the time-division is carried out to downlink resource, in specific implementation, at least can pass through two kinds of modes.In a kind of mode, the frequency domain packet to up-link carrier and the time domain grouping to descending carrier, can by agreement predefine (i.e. the division of static state), network equipment and with prestoring per family.In another kind of mode, semi-static or dynamically divide by network equipment, and indicating user, such as, as described above, ascending resource division information is carried in PBCH signal and sends to subscriber equipment with broadcast mode; Resource allocation information is carried at DCCH signal and sends to subscriber equipment; Wherein, it is the information of multiple uplink sub-carrier that ascending resource division information comprises up-link carrier frequency division, and resource allocation information comprises the information by being divided into multiple downlink resource group during descending carrier.
Be appreciated that embodiment of the present invention such scheme such as can at network equipment, such as, the equipment such as base station or base station controller is specifically implemented.
Above, the embodiment of the invention discloses a kind of Resourse Distribute and data transmission method, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of described multiple uplink sub-carrier equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (in other words, be respectively used to dispatch multiple uplink sub-carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
For ease of better understanding the technical scheme that the embodiment of the present invention provides, further introduce below in conjunction with an embody rule example contrast embodiment of the present invention method.
The wireless communication system that embodiment of the present invention method is applied, can be the improvement done based on GSM or LTE or other communication system, not be restricted herein to this.Embodiment of the present invention method can be applicable to any application scenario needing to improve up coverage, such as, can be used for complex building space, or, basement space, or, complex-terrain occasion etc.This embody rule example is example for carrying out intelligent meter data recording at basement, and described wireless communication system is for based on GAM system.
Should in use-case, the basic resource unit of definable wireless communication system is burst (Burst).A Burst can comprise a certain number of such as 148 effective symbols (Symbol), but in order to dispatch needs that are convenient and expansion, a Burst can comprise some symbols more, to reach a suitable time domain length; The time domain length of such as 1Burst can equal 156.25*Ts, and Ts represents the time domain length of a symbol.Multiple such as 4 Burst of definable continuous print are a block (Block).In this application scene example, uplink and downlink adopt identical Burst structure, but, descending carrier is different with the Burst time domain length of uplink sub-carrier, the Burst time domain length of the uplink sub-carrier of different bandwidth is also different, but the Burst time domain length of each uplink sub-carrier is the integral multiple of the Burst time domain length of descending carrier.
Illustrate, the bandwidth of note descending carrier is B
dL, the bandwidth of a note kth uplink sub-carrier is
then,
should be integer.The first uplink sub-carrier represented for k=1, can remember
implication is: the bandwidth of descending carrier is M1 times of the bandwidth of the first uplink sub-carrier.Easy understand, accordingly, the basic resource unit in the first uplink sub-carrier, as the time domain length of Burst, should be M1 times of the time domain length of the basic resource unit Burst in descending carrier; M1 be more than or equal to 2 integer.
Should in use-case, the resource structures figure of wireless communication system uplink and downlink can be as shown in Figure 4.In this system, basic resource unit is Burst, and four continuous print Burst form a Block, and wherein, part Burst does not belong in Block, but is dispersed between Block, exists as independent Burst.Such as, in Fig. 4, descending carrier comprises the Burst resource of continuous print in time domain, such as, comprise 12 Block being numbered 0-11, and is numbered 4 independent Burst of 0-3, wherein, after the independent Burst being numbered 0-3 lays respectively at the Block being numbered 2,5,8,11.It should be noted that, descending carrier all Block serial number and all independent burst serial numbers; And, uplink sub-carrier all Block serial number and all independent burst serial numbers.
Descending carrier schedulable in Fig. 4 two uplink sub-carrier, i.e. the first uplink sub-carrier (ULcarrier1) and the second uplink sub-carrier (UL carrier2).2 times of the bandwidth of two uplink sub-carrier to be all 1/2, Burst length of the bandwidth of descending carrier be all descending carrier Burst length.Then have,
And,
For the first uplink sub-carrier, it comprises 6 Block being numbered 0-5, and is numbered 2 independent Burst of 0-1, after 2 independent Burst lay respectively at the Block being numbered 2,5.
Below, the Resource Allocation Formula of uplink and downlink carrier wave is described in detail, comprises:
1, the Block resource of descending carrier and Burst resource are divided into multiple downlink resource group by network equipment.Each downlink resource group schedulable uplink sub-carrier of descending carrier, i.e. a corresponding uplink sub-carrier of downlink resource group.This corresponding relation sends to the resource allocation information of subscriber equipment to indicate by network equipment, that is, namely the uplink sub-carrier that in resource allocation information, indicating user adopts and downlink resource group are one group of corresponding uplink sub-carrier and downlink resource group.
Downlink resource group group technology can comprise: define one group of Block based on an initial Block and cycle, and, define one group of independence Burst based on an initial independent Burst and cycle.Wherein, the said cycle is correlated with carrier bandwidths, and the bandwidth due to descending carrier is the multiple of the bandwidth of uplink sub-carrier corresponding to this downlink resource group, can with this multiple as the cycle.And subscriber equipment obtains the bandwidth of each uplink sub-carrier of cicada and the bandwidth of descending carrier in advance, thus this multiple can be calculated.So network equipment sends subscriber equipment, Indication message that be used to indicate downlink resource group can only include the numbering of initial Block, and the numbering of initial independent Burst.Such as:
To correspond to a kth downlink resource group of kth uplink sub-carrier, can be numbered all
Block, be numbered
Independent Burst, be divided in kth downlink resource group, wherein, k is positive integer,
b
dLthe bandwidth of described descending carrier,
the bandwidth of described kth uplink sub-carrier, B
dLbe
integral multiple.To correspond to the first resource group of the first uplink sub-carrier, be: be numbered all
Block, be numbered
Independent Burst, be divided in the first downlink resource group.Block and the burst resource allocation structure of described first uplink sub-carrier is identical with Block and the burst resource allocation structure of described first downlink resource group.
For Fig. 4, for the first downlink resource group of the first uplink sub-carrier, can make
due to M1=2, then, according to above-mentioned formula, the Block being numbered 1,3,5,7,9,11 in descending carrier is divided in the first downlink resource group, corresponds respectively to the Block being numbered 0-5 in the first uplink sub-carrier; The Burst being numbered 1,3 in descending carrier is divided in the first downlink resource group, corresponds respectively to the Burst being numbered 0-1 in the first uplink sub-carrier.
For the second downlink resource group of the second uplink sub-carrier, can make
due to M2=2, then, according to above-mentioned formula, the Block being numbered 0,2,4,6,8,10 in descending carrier is divided in the second downlink resource group, corresponds respectively to the Block being numbered 0-5 in the second uplink sub-carrier; The Burst being numbered 0,2 in descending carrier is divided in the second downlink resource group, corresponds respectively to the Burst being numbered 0-1 in the second uplink sub-carrier.
Above-mentioned downlink resource group group technology, carry out resource division according to the numbering of Block and Burst, because each Block and Burst corresponds to certain time domain length, then, also can directly based on initial Block and initial independent Burst, according to the time domain length determination one-period length of Block and Burst, carry out resource division, comprise: from initial Block, at interval of the Block of one-period length, be all divided in a downlink resource group; And, from initial independent Burst, at interval of the independent Burst of one-period length, be all divided in a downlink resource group.For Block, this Cycle Length can equal
represent the time domain length of a Block; For Burst, this Cycle Length can equal
represent the time domain length from an independent Burst to the independent Burst of the adjacent next one.
2, UE receives the resource allocation information that network equipment sends, and determines distributed uplink sub-carrier, and, determine descending Block and burst resource grouping, that is, downlink resource group.
Wherein, resource allocation information comprises the indication information of described first uplink sub-carrier, and the indication information of described first downlink resource group.Such as, the indication information of the first uplink sub-carrier can be the numbering of the first uplink sub-carrier in multiple uplink sub-carrier, such as, use binary representation, can be 01 or 10 or 11 etc.; The indication information of the first downlink resource group, can comprise the numbering of the initial Block of the first downlink resource group
with the numbering of initial independent Burst
3, UE adopts described first downlink resource group to carry out the reception of downlink data, and, adopt described first uplink sub-carrier to carry out the transmission of upstream data.Illustrate, first user equipment is numbered the first downlink resource group
block receive downlink data, then being numbered in the first uplink sub-carrier
block carry out the transmission of upstream data, and first user equipment is numbered the first downlink resource group
burst receive downlink data, then being numbered in the first uplink sub-carrier
burst carry out the transmission of upstream data, wherein,
represent and round downwards, m is positive integer.It should be noted that, numbering here
with
refer to the numbering in whole descending carrier.Illustrate as Fig. 4, if the Block that first user equipment is being numbered 3 receives downlink data, then being numbered in the first uplink sub-carrier
block carry out the transmission of upstream data.
Change a kind of form of presentation, can be expressed as: network equipment is numbered the first downlink resource group
block or be numbered
burst send downlink data to first user equipment, receive that first user equipment sends, being numbered of being carried at the first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards.
In above-mentioned citing, be first carry out downlink transfer, determine the numbering of descending Block and Burst, and then calculate the numbering of corresponding up Block and Burst, carry out uplink in relevant position.Be appreciated that and first can carry out uplink equally, determine the numbering of up Block and Burst, and then calculate the numbering of corresponding descending Block and Burst, carry out uplink in relevant position.
In order to help to understand technical solution of the present invention, below in conjunction with Fig. 1 to the downlink resource partition method in technical solution of the present invention, illustrate further:
In Fig. 1, for the first downlink resource group of the first uplink sub-carrier, definable starting resource unit is 0, the Resource Unit being numbered 0,2,4,6 is divided in the first downlink resource group, correspond respectively in the first uplink sub-carrier the Resource Unit being numbered 0,1,2,3, and the ascending resource unit of every a pair correspondence is identical with the original position of downlink resource unit.
For the second downlink resource group of the second uplink sub-carrier, definable starting resource unit is 1, is divided into by the Resource Unit being numbered 1,5 in second downlink resource group, corresponds respectively in the first uplink sub-carrier the Resource Unit being numbered 0,1.
For the 3rd downlink resource group of the 3rd uplink sub-carrier, the Resource Unit being numbered 3 can be divided in the 3rd downlink resource group, corresponding to the Resource Unit being numbered 0 in the first uplink sub-carrier.
For the 4th downlink resource group of the 4th uplink sub-carrier, the Resource Unit being numbered 7 can be divided in the 4th downlink resource group, corresponding to the Resource Unit being numbered 0 in the 4th uplink sub-carrier.
Above, should use-case composition graphs 4 and Fig. 1 technical solution of the present invention be described in detail.
Therefore, in feasible execution modes more of the present invention, the bandwidth sum of described multiple uplink sub-carrier of wireless communication system equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (in other words, be respectively used to dispatch multiple uplink sub-carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
In order to better implement the such scheme of the embodiment of the present invention, be also provided for below coordinating the relevant apparatus implementing such scheme.
Please refer to Fig. 5, the embodiment of the present invention provides a kind of subscriber equipment 500, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple described subscriber equipment; Described subscriber equipment 500 can comprise:
First receiver module 510, for receiving the resource allocation information that described network equipment sends, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described subscriber equipment, and indicating described user's equipment downward to adopt the first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Second receiver module 520, for adopting described first downlink resource group downlink data receiving; And,
Sending module 530, sends upstream data for adopting described first uplink sub-carrier.
In some embodiments of the invention, the down control channel DCCH signal that described first receiver module 510 sends specifically for receiving described network equipment, obtain the resource allocation information carried in described DCCH signal, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In some embodiments of the invention, described first receiver module 510 is also for receiving the Physical Broadcast Channel PBCH signal that described network equipment sends, obtain the ascending resource division information of carrying in described PBCH signal, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In some embodiments of the invention, the basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
Accordingly, described first downlink resource group comprises: be numbered
block, and to be numbered
independent Burst, wherein, k is positive integer,
b
dLthe carrier bandwidths of described downlink resource,
the bandwidth of described first uplink sub-carrier, B
dLbe
integral multiple; Block and the burst resource allocation structure of described first uplink sub-carrier is identical with Block and the burst resource allocation structure of described first downlink resource group.
In some embodiments of the invention, described second receiver module 520 is specifically for being numbered in described first downlink resource group
block or be numbered
burst receive downlink data; Described sending module 530 is specifically for being numbered in described first uplink sub-carrier
block or be numbered
burst send upstream data, wherein,
represent and round downwards, m is positive integer; Described first uplink sub-carrier all Block serial number and all independent burst serial numbers not belonging to Block; Described numbering
with
refer to the numbering in whole descending carrier.
The subscriber equipment of the embodiment of the present invention can be such as the equipment such as mobile phone, panel computer.
Be appreciated that the function of each functional module of the subscriber equipment of the embodiment of the present invention can according to the method specific implementation in said method embodiment, its specific implementation process can refer to the associated description in said method embodiment, repeats no more herein.
Therefore, in feasible execution modes more of the present invention, a kind of subscriber equipment is provided, this subscriber equipment is used for the different wireless communication system of uplink and downlink resource granularity, in described wireless communication system, the bandwidth sum of described multiple uplink sub-carrier equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (in other words, be respectively used to dispatch multiple uplink sub-carrier corresponding to this descending carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
Please refer to Fig. 6, the embodiment of the present invention provides a kind of network equipment, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described network equipment 600 comprises:
First sending module 610, for sending resource allocation information to described first user equipment, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Second sending module 620, sends downlink data to described first user equipment for adopting described first downlink resource group; And,
Receiver module 630, for receiving the upstream data that described first user equipment is sent by described first uplink sub-carrier.
In some embodiments of the invention, described first sending module 620 specifically can be used for: transmission carries the down control channel DCCH signal of resource allocation information to described first user equipment, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In some embodiments of the invention, described first sending module 620 also for: send carry ascending resource division information Physical Broadcast Channel PBCH signal to described first user equipment, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In some embodiments of the invention, the basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
Accordingly, described first downlink resource group comprises: be numbered
block, and to be numbered
independent Burst, wherein, k is positive integer,
b
dLthe carrier bandwidths of described downlink resource,
the bandwidth of described first uplink sub-carrier, B
dLbe
integral multiple; Block and the burst resource allocation structure of described first uplink sub-carrier is identical with Block and the burst resource allocation structure of described first downlink resource group.
In some embodiments of the invention, described second sending module 620, specifically for being numbered in described first downlink resource group
block or be numbered
burst send downlink data to described first user equipment; Described receiver module 630, specifically for receiving described first user equipment sends, being numbered of being carried at described first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards, m is positive integer; Described first uplink sub-carrier all Block serial number and all independent burst serial numbers not belonging to Block; Described numbering
with
refer to the numbering in whole descending carrier.
The network equipment of the embodiment of the present invention can be such as the equipment such as base station, base station controller.
Be appreciated that the function of each functional module of the network equipment of the embodiment of the present invention can according to the method specific implementation in said method embodiment, its specific implementation process can refer to the associated description in said method embodiment, repeats no more herein.
Therefore, in feasible execution modes more of the present invention, a kind of network equipment is provided, this network equipment is used for the different wireless communication system of uplink and downlink resource granularity, in described wireless communication system, the bandwidth sum of described multiple uplink sub-carrier equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (being respectively used in other words dispatch multiple uplink sub-carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
The embodiment of the present invention also provides a kind of wireless communication system, the uplink and downlink resource granularity of described wireless communication system is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described subscriber equipment is the subscriber equipment as described in Fig. 5 embodiment, and described network equipment is the network equipment described in Fig. 6 embodiment.
Above, the embodiment of the invention discloses the wireless communication system that a kind of uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of described multiple uplink sub-carrier equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; This system adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (in other words, be respectively used to dispatch multiple uplink sub-carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
As shown in Figure 7, the embodiment of the present invention also provides a kind of subscriber equipment 700, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple described subscriber equipment; Described subscriber equipment 700 can comprise: processor 701, receiver 702 and transmitter 703; These parts are communicated by one or more communication bus or holding wire 705.Wherein:
Receiver 702, for receiving the resource allocation information that described network equipment sends, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described subscriber equipment, and indicating described user's equipment downward to adopt the first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Processor 701, for the instruction according to described resource allocation information, controls described transmitter 703 and adopts described first downlink resource group downlink data receiving; And, control described receiver 702 and adopt described first uplink sub-carrier to send upstream data.
In some embodiments of the invention, the down control channel DCCH signal that described receiver 702 sends specifically for receiving described network equipment;
Described processor 701, also for obtaining the resource allocation information carried in described DCCH signal, comprises the indication information of described first uplink sub-carrier in described resource allocation information, and the indication information of described first downlink resource group.
In some embodiments of the invention, described receiver 703 is also for receiving the Physical Broadcast Channel PBCH signal that described network equipment sends;
Described processor 701, also for obtaining the ascending resource division information of carrying in described PBCH signal, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In some embodiments of the invention, the basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
Accordingly, described first downlink resource group comprises: be numbered
block, and to be numbered
independent Burst, wherein, k is positive integer,
b
dLthe carrier bandwidths of described downlink resource,
the bandwidth of described first uplink sub-carrier, B
dLbe
integral multiple; Block and the burst resource allocation structure of described first uplink sub-carrier is identical with Block and the burst resource allocation structure of described first downlink resource group.
In some embodiments of the invention, described processor 701 also for, if receiver 702 being numbered in described first downlink resource group
block or be numbered
burst receive downlink data, then, control transmitter 703 being numbered in described first uplink sub-carrier
block or be numbered
burst send upstream data, wherein,
represent and round downwards, m is positive integer; Described first uplink sub-carrier all Block serial number and all independent burst serial numbers not belonging to Block; Described numbering
with
refer to the numbering in whole descending carrier.
The subscriber equipment of the embodiment of the present invention can be such as the equipment such as mobile phone, panel computer.
For mobile phone, this subscriber equipment can also comprise: memory, Peripheral Interface, RF circuit, voicefrequency circuit, loud speaker, power management chip, I/O (I/O) subsystem, other input/control devices and outside ports etc., these parts are communicated by 705 communication buss or holding wire.
Therefore, in feasible execution modes more of the present invention, a kind of subscriber equipment is provided, this subscriber equipment is used for the different wireless communication system of uplink and downlink resource granularity, in described wireless communication system, the bandwidth sum of described multiple uplink sub-carrier equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (in other words, be respectively used to dispatch multiple uplink sub-carrier corresponding to this descending carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
As shown in Figure 8, the embodiment of the present invention also provides a kind of network equipment 800, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described network equipment 800 can comprise: processor 801, receiver 802 and transmitter 803; These parts are communicated by one or more communication bus or holding wire 805.Wherein:
Processor 801, resource allocation information is sent to described first user equipment for controlling transmitter 803, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Processor 801, also adopts described first downlink resource group to send downlink data to described first user equipment for controlling transmitter 803; And, control receiver 802 and receive the upstream data of described first user equipment by described first uplink sub-carrier transmission.
In some embodiments of the invention, described processor 801 specifically can be used for: control transmitter 803 transmission and carry the down control channel DCCH signal of resource allocation information to described first user equipment, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
In some embodiments of the invention, described processor 801 also for: control transmitter 803 send carry ascending resource division information Physical Broadcast Channel PBCH signal to described first user equipment, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
In some embodiments of the invention, the basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block; The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
Accordingly, described first downlink resource group comprises: be numbered
block, and to be numbered
independent Burst, wherein, k is positive integer,
b
dLthe carrier bandwidths of described downlink resource,
the bandwidth of described first uplink sub-carrier, B
dLbe
integral multiple; Block and the burst resource allocation structure of described first uplink sub-carrier is identical with Block and the burst resource allocation structure of described first downlink resource group.
In some embodiments of the invention, described processor 801 also for: control transmitter 803 being numbered in described first downlink resource group
block or be numbered
burst send downlink data to described first user equipment; And, control receiver 802 and receive described first user equipment sends, being numbered of being carried at described first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards, m is positive integer; Described first uplink sub-carrier all Block serial number and all independent burst serial numbers not belonging to Block; Described numbering
with
refer to the numbering in whole descending carrier.
The network equipment of the embodiment of the present invention can be such as the equipment such as base station, base station controller.
Therefore, in feasible execution modes more of the present invention, a kind of network equipment is provided, this network equipment is used for the different wireless communication system of uplink and downlink resource granularity, in described wireless communication system, the bandwidth sum of described multiple uplink sub-carrier equals the bandwidth of described descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; The method adopts and descending carrier is divided into multiple downlink resource group by time domain, correspond respectively to multiple uplink sub-carrier corresponding to this descending carrier (being respectively used in other words dispatch multiple uplink sub-carrier), subscriber equipment in distributed downlink resource group and the enterprising reception of row data of uplink sub-carrier and the technical scheme of transmission, achieves following beneficial effect respectively:
In the program, a multiple uplink sub-carrier of descending carrier schedulable, the bandwidth of descending carrier equals the bandwidth sum of schedulable multiple uplink sub-carrier, and the bandwidth of descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier, in other words, this scheme reduces uplink bandwidth, thus, when the transmitted power of subscriber equipment is constant, the PSD of uplink effectively can be promoted, and then the effective coverage improving uplink;
In the program, the bandwidth of a descending carrier equals the bandwidth sum of the schedulable multiple uplink sub-carrier of this descending carrier, and descending carrier is divided into multiple downlink resource group by time domain, each downlink resource group corresponds to one of them uplink sub-carrier, make, the program can be applicable to the different wireless communication system of uplink and downlink resource granularity;
In the program, a multiple uplink sub-carrier of descending carrier schedulable, and each uplink sub-carrier corresponds to a downlink resource group in descending carrier, for subscriber equipment, only need to adopt corresponding uplink sub-carrier and downlink resource group carry out the transmission of data and receive, do not need to monitor the scheduling mode in time domain, and in the LTE system of the schedule information of multiple up-link carriers of prior art all from same descending carrier, subscriber equipment also needs the scheduling mode of monitoring in whole time-domain resource of descending carrier in time domain, visible, compared with LTE system, this invention simplifies scheduling mode, simplify resource allocation relationship, because subscriber equipment does not need to carry out dynamic monitoring in any descending carrier resource, thus reduce the complexity of subscriber equipment, and be conducive to the power consumption reducing subscriber equipment.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiment.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other order or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
The Resourse Distribute provided the embodiment of the present invention above and data transmission method, equipment and system are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (21)
1. a Resourse Distribute and data transmission method, it is characterized in that, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described method comprises:
Described first user equipment receives the resource allocation information that described network equipment sends, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Described first user equipment adopts described first downlink resource group downlink data receiving, and, adopt described first uplink sub-carrier to send upstream data.
2. method according to claim 1, is characterized in that, the resource allocation information that described first user equipment receives the transmission of described network equipment comprises:
Described first user equipment receives the down control channel DCCH signal that described network equipment sends, obtain the resource allocation information carried in described DCCH signal, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
3. method according to claim 2, is characterized in that, described first user equipment also comprises before receiving the resource allocation information of described network equipment transmission:
Described first user equipment receives the Physical Broadcast Channel PBCH signal that described network equipment sends, obtain the ascending resource division information of carrying in described PBCH signal, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
4. according to the method in claim 2 or 3, it is characterized in that,
The basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block;
The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
5. method according to claim 4, it is characterized in that, described first user equipment adopts described first downlink resource group downlink data receiving, and, adopt described first uplink sub-carrier to send upstream data and comprise: described first user equipment is numbered described first downlink resource group
block or be numbered
burst receive downlink data, then being numbered in described first uplink sub-carrier
block or be numbered
burst send upstream data, wherein,
represent and round downwards, m is positive integer.
6. a Resourse Distribute and data transmission method, it is characterized in that, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described method comprises:
Described network equipment sends resource allocation information to described first user equipment, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Described first downlink resource group is adopted to send downlink data to described first user equipment, and, receive the upstream data that described first user equipment is sent by described first uplink sub-carrier.
7. method according to claim 6, is characterized in that, described network equipment sends resource allocation information and comprises to described first user equipment:
Described network equipment transmission carries the down control channel DCCH signal of resource allocation information to described first user equipment, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
8. method according to claim 7, is characterized in that, described network equipment sends resource allocation information to before described first user equipment, also comprises:
Described network equipment send carry ascending resource division information Physical Broadcast Channel PBCH signal to described first user equipment, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index;
The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
9. the method according to claim 7 or 8, is characterized in that,
The basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block;
The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
10. method according to claim 9, it is characterized in that, the described first downlink resource group of described employing sends downlink data to described first user equipment, and, receive described first user equipment and comprised by the upstream data of described first uplink sub-carrier transmission:
Being numbered of described first downlink resource group
block or be numbered
burst send downlink data to described first user equipment, receive described first user equipment sends, being numbered of being carried at described first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards, m is positive integer.
11. 1 kinds of subscriber equipmenies, it is characterized in that, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple described subscriber equipment; Described subscriber equipment comprises:
First receiver module, for receiving the resource allocation information that described network equipment sends, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described subscriber equipment, and indicating described user's equipment downward to adopt the first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Second receiver module, for adopting described first downlink resource group downlink data receiving;
Sending module, sends upstream data for adopting described first uplink sub-carrier.
12. equipment according to claim 11, is characterized in that,
The down control channel DCCH signal that described first receiver module sends specifically for receiving described network equipment, obtain the resource allocation information carried in described DCCH signal, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
13. methods according to claim 12, is characterized in that,
Described first receiver module is also for receiving the Physical Broadcast Channel PBCH signal that described network equipment sends, obtain the ascending resource division information of carrying in described PBCH signal, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index; The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
14. equipment according to claim 12 or 13, is characterized in that,
The basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block;
The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
15. equipment according to claim 14, is characterized in that,
Described second receiver module is specifically for being numbered in described first downlink resource group
block or be numbered
burst receive downlink data;
Described sending module, specifically for being numbered in described first uplink sub-carrier
block or be numbered
burst send upstream data, wherein,
represent and round downwards, m is positive integer.
16. 1 kinds of network equipments, it is characterized in that, for the wireless communication system that uplink and downlink resource granularity is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described multiple subscriber equipment comprises first user equipment; Described network equipment comprises:
First sending module, for sending resource allocation information to described first user equipment, described resource allocation information indicates the first uplink sub-carrier in the described multiple uplink sub-carrier of the up employing of described first user equipment, and indicating described first user equipment descending employing first downlink resource group, described first downlink resource group is by multiple downlink resource groups of temporal partitioning by the resource of described descending carrier;
Second sending module, sends downlink data to described first user equipment for adopting described first downlink resource group; And,
Receiver module, for receiving the upstream data that described first user equipment is sent by described first uplink sub-carrier.
17. equipment according to claim 16, is characterized in that,
Described first sending module carries the down control channel DCCH signal of resource allocation information to described first user equipment specifically for transmission, the indication information of described first uplink sub-carrier is comprised in described resource allocation information, and the indication information of described first downlink resource group.
18. equipment according to claim 17, is characterized in that,
Described first sending module also for send carry ascending resource division information Physical Broadcast Channel PBCH signal to described first user equipment, described ascending resource division information comprises the initial frequency of each uplink sub-carrier in described multiple uplink sub-carrier and carrier bandwidths and carrier index;
The indication information of described first uplink sub-carrier comprises: the carrier index of described first uplink sub-carrier.
19. equipment according to claim 17 or 18, is characterized in that,
The basic resource unit of described wireless communication system is that burst Burst, the multiple Burst of continuous print form a block Block; Described descending carrier comprises Block and does not belong to the independent burst of Block;
The indication information of described first downlink resource group comprises: the numbering of the initial Block of described first downlink resource group
with the numbering of initial independent Burst
20. equipment according to claim 19, is characterized in that,
Described second sending module, specifically for being numbered in described first downlink resource group
block or be numbered
burst send downlink data to described first user equipment;
Described receiver module, specifically for receiving described first user equipment sends, being numbered of being carried at described first uplink sub-carrier
block or be numbered
burst in upstream data, wherein,
represent and round downwards, m is positive integer.
21. 1 kinds of wireless communication systems, it is characterized in that, the uplink and downlink resource granularity of described wireless communication system is different, in described wireless communication system, the bandwidth sum of multiple uplink sub-carrier equals the bandwidth of a descending carrier, and the bandwidth of described descending carrier is the integral multiple of the bandwidth of wherein any one uplink sub-carrier; Described wireless communication system comprises network equipment and multiple subscriber equipment, and described subscriber equipment is as the subscriber equipment as described in arbitrary in claim 11 to 15, and described network equipment is as the network equipment as described in arbitrary in claim 16 to 20.
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Cited By (10)
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WO2016041378A1 (en) * | 2014-09-15 | 2016-03-24 | 华为技术有限公司 | Resource allocation and data transmission method, device and system |
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