CN102711263B - Multiuser uplink control signal sending method in non-continuous receiving mode - Google Patents
Multiuser uplink control signal sending method in non-continuous receiving mode Download PDFInfo
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Abstract
The invention discloses a multiuser uplink control signal sending method in a non-continuous receiving mode. The multiuser uplink control signal sending method comprises the following steps of: S1, dividing all intelligent terminal user devices in a cell into a plurality of intelligent terminal groups; S2, distributing group common resources, which only can be used by each intelligent terminal user device within a non-continuous receiving activation period, to each intelligent terminal user device in the same intelligent terminal group by using the intelligent terminal group as a unit; and S3, occupying the group common resources of the intelligent terminal groups in the corresponding non-continuous receiving activation period in sequence by each intelligent terminal user device, and sending uplink control signals. By utilizing the multiuser uplink control signal sending method provided by the invention, the bottleneck of the uplink control resources can be overcome, and the waste of the uplink control resources can be reduced.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to the sending method of multi-user's uplink control signal under a kind of discontinuous reception modes.
Background technology
Along with the development of mobile Internet business, the number of users of instant messaging (IM, Instant Message) business is used constantly to increase by mobile communications network.In China, Teng Xun company QQ business occupies most shares of IM business.According to company of Tengxun official statistics, current intelligent terminal (Smart Phone) QQ registered user reaches 200,000,000, wherein any active ues 100,000,000, online user number creates great challenge up to the application demand that 2,000 ten thousand, Smart Phone are huge to mobile communications network simultaneously.In Long Term Evolution (LTE, Long Term Evolution) system, high efficiency and high quality-of-service support is provided to be the standardized important research work of R11 to IM business.The new research project of in May, 2011 3GPP RAN2 (3rd Generation PartnershipProject Radio Access Network2) the 74th session startup: Diverse Data Applications.
LTE TS 36.321 regulation is in discontinuous reception (DRX, DiscontinuousReception) subscriber equipment (UE of quiet period, User Equipment) do not need to carry out dispatch request (SR, Schedule Request) send, do not need to carry out channel condition information (CSI yet, Channel State Information) report, do not need to carry out uplink detection reference signal (SRS, Sounding Reference Signal) to send simultaneously yet.Therefore, the upload control resource of semi-static distribution, as carried the Physical Uplink Control Channel (PUCCH of SR and CSI (comprising channel quality indicator (CQI), precoding matrix indicators and order instruction RI), PhysicalUplink Control CHannel) resource and SRS resource be wasted owing to overlapping with DRX quiet period, as shown in Figure 1.The motion R2-112171 that RIM company of Britain submits to points out, when there is a large amount of (2000-5000) in LTE system and being in the SmartPhone UE of always online (always on line), such wasting of resources is particularly serious.
Analyze in the motion R2-111958 that Huawei Company submits to and draw: for IM business, be in intelligent terminal that RRC-CONNECTED state is in DRX quiet period not need to carry out SR and send and also do not need to carry out periodicity CQI and report, the semi-static SR of keeping for sends and the PUCCH resource of CQI report is wasted.Therefore, a large amount of PUCCH resource utilance of the Smart Phone UE of RRC-CONNECTED state that keeps is very low, there is PUCCH resource bottleneck, thus affects IM volume of business.
Uplink SRS resource is existed equally and overlaps with DRX quiet period and cause the situation of the wasting of resources.The UE being in DRX quiet period does not need to carry out SRS, and therefore the practical efficiency of the SRS resource of static reservations is very low, specifically in table 1.
Table 1:
In addition, according to the control plane capacity of definition in TR 25.913, when 5M system bandwidth, system support 200 is in the UE of RRC CONNECTED state simultaneously, when being greater than 5M system bandwidth, system support 400 is in the UE of RRC CONNECTED state simultaneously.Therefore, in existing system design, 500 UE being simultaneously in RRC CONNECTED state are supported at most.When there is a large amount of (2000-5000) in LTE system and being in the Smart Phone UE of connection status, there is bottleneck in uplink SRS resource simultaneously.Make a concrete analysis of as follows:
Suppose one: in order to estimate conveniently, suppose that the SRS cycle of all UE is all identical, and under often kind of contrast condition, the SRS bandwidth of all UE is also identical.
Suppose two: system bandwidth is that the setting of 10M, SRS bandwidth specifies according to TS 36.211, and each community only has 4 kinds of SRS band width configuration, and the estimation in SRS cycle, according to TS 36.213, only comprises 2/5/10/20/40/80/160/320, and unit is ms.As shown in Figure 2, each subframe, SRS can only send in last OFDM symbol of specific sub-frame, and adopts the frequency domain interval of 2 subcarriers, forms the frequency-domain structure of " pectination ", according to the difference of original position, can frequency division multiplexing 2 " pectination ".Can carry out more multiplexing in the mode that code divides by the different cyclic shifts of basic sequence (totally 8 kinds) in identical " pectination ".
As shown in Table 2, under existing system configuration, if support IM business completely, namely online while of support 5000 simultaneously Smart Phone UE, then the SRS cycle must be set to 160ms, and the bandwidth of SRS also can only be arranged to 4RB.As can be seen here, also there is bottleneck in SRS resource.
Table 2:
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: the sending method providing multi-user's uplink control signal under a kind of discontinuous reception modes, to reduce the waste of upload control resource.
(2) technical scheme
For solving the problem, the invention provides the sending method of multi-user's uplink control signal under a kind of discontinuous reception modes, comprising the following steps:
S1: be the grouping of some intelligent terminals by intelligent terminal user classification of equipments all in community;
S2: being grouped into unit with intelligent terminal is that each intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal distributes the group public resource only used in the discontinuous reception active period of each intelligent terminal user equipment;
S3: each intelligent terminal user equipment takies the group public resource of affiliated intelligent terminal grouping successively in respective discontinuous reception active period, sends uplink control signal.
Preferably, described step S1 specifically comprises: will be in the intelligent terminal user classification of equipment of wireless heterogeneous networks connection status to some intelligent terminal groupings according to identical discontinuous receiving cycle and discontinuous reception active period.
Preferably, the intelligent terminal user number of devices comprised in each intelligent terminal grouping is no more than the discontinuous receiving cycle of intelligent terminal user equipment in this grouping and the ratio of discontinuous reception active period.
Preferably, it is the different discontinuous reception start offset amount of all intelligent terminal user Equipments Setting being under the jurisdiction of the grouping of same intelligent terminal that described sending method also comprises by radio resource control information, makes the step that the discontinuous reception active period of intelligent terminal user equipment different in same group is orthogonal in time domain.
Preferably, wherein, for before the discontinuous reception start offset amount that intelligent terminal user Equipments Setting is different, the all intelligent terminal user equipment also comprised for being under the jurisdiction of the grouping of same intelligent terminal carry out the step of the number consecutively in group, then are followed successively by each intelligent terminal user Equipments Setting discontinuous reception start offset amount according to institute's serialization number.
Preferably, organizing public resource described in step S2 is up group of public sounding reference signal resource, for sending detection reference signal.
Preferably, organizing public resource described in step S2 is up group of public scheduling request resources, for sending scheduling request signal.
Preferably, organizing public resource described in step S2 is up group of common signal channel quality indexed resource, for transmitting channel qualityindication signal.
(3) beneficial effect
The present invention by by the intelligent terminal user classification of equipment of identical DRX cycle and DRX active period in same intelligent terminal grouping, and intelligent terminal divides the DRX active period of group member orthogonal in time domain, make eNodeB can distribute up group of public control resource for the intelligent terminal user equipment of same intelligent terminal grouping, in group, intelligent terminal user equipment takies group upload control resource at DRX active period successively, decreases the waste of upload control resource.
Accompanying drawing explanation
Fig. 1 is in prior art, makes because intelligent terminal user equipment is in DRX quiet period the schematic diagram that the semi-static reserved upload control resource of eNodeB is wasted;
Fig. 2 is in prior art, the time-domain resource position view of SRS resource;
Fig. 3 is in prior art, the frequency domain resource position view of SRS resource;
Fig. 4 is the schematic flow sheet according to the sending method of multi-user's uplink control signal under the embodiment of the present invention one discontinuous reception modes;
Fig. 5 is the schematic diagram according to multi-user's uplink SRS signaling method under the embodiment of the present invention two discontinuous reception modes;
Fig. 6 is in prior art, the time-frequency domain resources position view of CQI resource and SR resource.
Embodiment
Below in conjunction with drawings and Examples, that the present invention is described in detail is as follows.
Embodiment one:
As shown in Figure 4, the present embodiment describes the sending method of multi-user's uplink control signal under a kind of discontinuous reception modes, comprises the following steps:
S1: be the grouping of some intelligent terminals by intelligent terminal user classification of equipments all in community;
In the present embodiment, step S1 specifically comprises:
Wireless heterogeneous networks will be according to identical discontinuous reception (DRX) cycle and discontinuous reception active period and be connected the intelligent terminal user classification of equipment of (RRC CONNECTED) state to some intelligent terminal groupings; Wherein, the intelligent terminal user number of devices comprised in each intelligent terminal grouping is no more than the discontinuous receiving cycle of intelligent terminal user equipment in this grouping and the ratio of discontinuous reception active period;
The number consecutively in group is carried out for all intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal, by radio resource control information for being under the jurisdiction of all intelligent terminal user equipment of same intelligent terminal grouping according to institute serialization number (i, i ∈ (1,2, ..., n-1)) configure different discontinuous reception start offset amounts successively, make the discontinuous reception active period of intelligent terminal user equipment different in same group orthogonal in time domain.Namely, time in group, any one intelligent terminal user equipment is in DRX active period, other intelligent terminal user equipment are all in DRX quiet period.
S2: being grouped into unit with intelligent terminal is that each intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal distributes the group public resource only used in the discontinuous reception active period of each intelligent terminal user equipment;
S3: each intelligent terminal user equipment takies the group public resource of affiliated intelligent terminal grouping successively in respective discontinuous reception active period, sends uplink control signal.
With more specifically embodiment, the present invention is described below:
Embodiment two:
The present embodiment describes the sending method of multi-user's uplink detection reference signal under a kind of discontinuous reception modes, comprises the following steps:
S101: be the grouping of some intelligent terminals by intelligent terminal user classification of equipments all in community.
In the present embodiment, step S101 specifically comprises:
Wireless heterogeneous networks will be according to identical discontinuous reception (DRX) cycle and discontinuous reception active period and be connected the intelligent terminal user classification of equipment of (RRC CONNECTED) state to some intelligent terminal groupings; Wherein, the intelligent terminal user number of devices comprised in each intelligent terminal grouping is no more than the discontinuous receiving cycle of intelligent terminal user equipment in this grouping and the ratio of discontinuous reception active period;
The number consecutively in group is carried out for all intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal, by radio resource control information for being under the jurisdiction of all intelligent terminal user equipment of same intelligent terminal grouping according to institute serialization number (i, i ∈ (1,2, ..., n-1)) configure different discontinuous reception start offset amounts successively, make the discontinuous reception active period of intelligent terminal user equipment different in same group orthogonal in time domain.Namely, time in group, any one intelligent terminal user equipment is in DRX active period, other intelligent terminal user equipment are all in DRX quiet period.
S102: being grouped into unit with intelligent terminal is that each intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal distributes up group of public detection reference signal (SRS) resource (cycle, bandwidth and frequency domain original position and frequency hopping pattern); As shown in Figure 5, the present embodiment adopts tree-shaped hierarchical structure to organize the sounding reference signal resource frequency domain initial position of interior each intelligent terminal user equipment.
S103: each intelligent terminal user equipment takies up group of public SRS resource of affiliated intelligent terminal grouping successively in respective discontinuous reception active period, sends uplink SRS signal.As shown in Figure 5, each intelligent terminal user equipment uses up group of public SRS resource to send respective uplink SRS in the different moment.
Intelligent terminal user equipment can only carry out the transmission of SRS signal at DRX active period, and intelligent terminal user equipment can only send n SRS signal in a DRX activates, n be DRX active period and SRS periodic ratio round value.
SRS signal sends in the mode of Frequency Hopping, and each transmission SRS signal frequency domain position is relative to the side-play amount function F of initial frequency-domain position (as shown in Figure 3)
bwith transmission times about (concrete corresponding relation is shown in TS36.211), by repeatedly sending, wider frequency domain channel is detected.Therefore, frequency domain position concrete when intelligent terminal grouping user equipment sends SRS signal in DRX active period is relevant with the times N that all intelligent terminal grouping user equipment in group adds up to send SRS signal, N can by each intelligent terminal user equipment add up DRX activate wake-up times p, the frequency n of DRX active period transmission SRS signal and within intelligent terminal divides into groups sequence number i calculate.
Particularly, as shown in Figure 5, when intelligent terminal user equipment sends SRS signal at every turn, according to the initial position of frequency domain as shown in Figure 3, the times N sending SRS signal need be added up, according to side-play amount function F according to other intelligent terminal grouping user equipment in group
bcalculate corresponding side-play amount with the corresponding relation of SRS transmission times, then carry out Frequency Hopping transmission.
Embodiment three:
The present embodiment describes the sending method of multi-user's uplink scheduling request signal under a kind of discontinuous reception modes, comprises the following steps:
S201: be the grouping of some intelligent terminals by intelligent terminal user classification of equipments all in community;
In the present embodiment, step S201 specifically comprises:
Wireless heterogeneous networks will be according to identical discontinuous reception (DRX) cycle and discontinuous reception active period and be connected the intelligent terminal user classification of equipment of (RRC CONNECTED) state to some intelligent terminal groupings; Wherein, the intelligent terminal user number of devices comprised in each intelligent terminal grouping is no more than the discontinuous receiving cycle of intelligent terminal user equipment in this grouping and the ratio of discontinuous reception active period;
The number consecutively in group is carried out for all intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal, by radio resource control information for being under the jurisdiction of all intelligent terminal user equipment of same intelligent terminal grouping according to institute serialization number (i, i ∈ (1,2, ..., n-1)) configure different discontinuous reception start offset amounts successively, make the discontinuous reception active period of intelligent terminal user equipment different in same group orthogonal in time domain.Namely, time in group, any one intelligent terminal user equipment is in DRX active period, other intelligent terminal user equipment are all in DRX quiet period.
S202: being grouped into unit with intelligent terminal is that each intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal distributes up group of public dispatch request (SR) resource (cycle SR
pERIODICITY, sub-frame offset N
oFFSET, SRand PUCCH SR resource index
).
As shown in Figure 6, PUCCH channel takies the physical resource of a RB on time-frequency domain, in the physical resource of shared RB, and the multiplexing multiple PUCCH channel of the mode that PUCCH format 1/1a/1b and PUCCH format 2/2a/2b all adopts code to divide.Suppose that the number that eNB distributes to the radio bearer (RB, Radio Bearer) of PUCCH transmission is
it is by broadcast, and eNB distributes to the RB number that PUCCH format 2/2a/2b (i.e. CQI) sends and is
equally also be by broadcast, when not considering PUCCH format 2/2a/2b and PUCCH format 1/1a/1b mixing, so system keeps for the RB quantity of PUCCH format 1/1a/1b (i.e. SR and ACK/NACK) to be just
due to the process of transmission process " orthogonal spreading sequence " and " Zadoff-Chu sequence " the two subcategory number spread spectrum of PUCCH format 1/1a/1b, system is by PUCCH format 1 resource index
displacement circulation timei that district office is corresponding and orthogonal code combinatorics on words.
S203: each intelligent terminal user equipment takies up group of public SR resource of affiliated intelligent terminal grouping successively in respective discontinuous reception active period, sends SR signal.The PUCCH resource position that intelligent terminal user equipment sends SR meets
time slot meets
wherein n
ffor subframe numbers, n
sfor timeslot number, N
oFFSET, SRfor sub-frame offset, SR
pERIODICITYfor the SR cycle.
Embodiment four:
The present embodiment describes the sending method of multi-user's uplink signal-channel quality index signal under a kind of discontinuous reception modes, comprises the following steps:
S301: be the grouping of some intelligent terminals by intelligent terminal user classification of equipments all in community;
In the present embodiment, step S301 specifically comprises:
Wireless heterogeneous networks will be according to identical discontinuous reception (DRX) cycle and discontinuous reception active period and be connected the intelligent terminal user classification of equipment of (RRC CONNECTED) state to some intelligent terminal groupings; Wherein, the intelligent terminal user number of devices comprised in each intelligent terminal grouping is no more than the discontinuous receiving cycle of intelligent terminal user equipment in this grouping and the ratio of discontinuous reception active period;
The number consecutively in group is carried out for all intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal, by radio resource control information for being under the jurisdiction of all intelligent terminal user equipment of same intelligent terminal grouping according to institute serialization number (i, i ∈ (1,2, ..., n-1)) configure different discontinuous reception start offset amounts successively, make the discontinuous reception active period of intelligent terminal user equipment different in same group orthogonal in time domain.Namely, time in group, any one intelligent terminal user equipment is in DRX active period, other intelligent terminal user equipment are all in DRX quiet period.
S302: being grouped into unit with intelligent terminal is that each intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal distributes up group of common signal channel quality instruction (CQI) resource.
As shown in Figure 6, in the present embodiment, PUCCH channel takies the physical resource of a RB on time-frequency domain, in the physical resource of shared RB, and the multiplexing multiple PUCCH channel of the mode that PUCCH format 1/1a/1b and PUCCH format 2/2a/2b all adopts code to divide.When not considering PUCCH format 2/2a/2b and PUCCH format 1/1a/1b hybrid wireless carrying (RB, Radio Bearer), suppose that initial eNB distributes to the number of resources that PUCCH format 2/2a/2a (i.e. CQI) sends and is
pUCCH format 2/2a/2a is that the different cyclic shifts of the Zadoff-Chu sequence of 12 realize the multiplexing of different PUCCH channel in a RB by length.System is by PUCCH format 1 resource index
the cyclic shift that district office is corresponding.
S303: each intelligent terminal user equipment takies up group of public CQI resource of affiliated intelligent terminal grouping successively in respective discontinuous reception active period, sends up CQI signal.
Because intelligent terminal user equipment can only send CQI signal in DRX active period, therefore an intelligent terminal user equipment can only send m CQI signal in a DRX active period, m be DRX active period and CQI periodic ratio round value.
The present invention by by the intelligent terminal user classification of equipment of identical DRX cycle and DRX active period in same intelligent terminal grouping, and intelligent terminal divides the DRX active period of group member orthogonal in time domain, make eNodeB can distribute up group of public control resource for the intelligent terminal user equipment of same intelligent terminal grouping, in group, intelligent terminal user equipment takies group upload control resource at DRX active period successively, decreases the waste of upload control resource.
Above execution mode is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (2)
1. the sending method of multi-user's uplink control signal under discontinuous reception modes, is characterized in that, comprise the following steps:
S1: be the grouping of some intelligent terminals by intelligent terminal user classification of equipments all in community;
S2: being grouped into unit with intelligent terminal is that each intelligent terminal user equipment being under the jurisdiction of the grouping of same intelligent terminal distributes the group public resource only used in the discontinuous reception active period of each intelligent terminal user equipment;
S3: each intelligent terminal user equipment takies the group public resource of affiliated intelligent terminal grouping successively in respective discontinuous reception active period, sends uplink control signal;
Wherein, described step S1 specifically comprises: will be in the intelligent terminal user classification of equipment of wireless heterogeneous networks connection status to some intelligent terminal groupings according to identical discontinuous receiving cycle and discontinuous reception active period;
Wherein, also comprise: be the different discontinuous reception start offset amount of all intelligent terminal user Equipments Setting being under the jurisdiction of the grouping of same intelligent terminal by radio resource control information, make the step that the discontinuous reception active period of intelligent terminal user equipment different in same group is orthogonal in time domain;
Wherein, for before the discontinuous reception start offset amount that intelligent terminal user Equipments Setting is different, the all intelligent terminal user equipment also comprised for being under the jurisdiction of the grouping of same intelligent terminal carry out the step of the number consecutively in group, then are followed successively by each intelligent terminal user Equipments Setting discontinuous reception start offset amount according to institute's serialization number;
Organizing public resource described in step S2 is up group of public sounding reference signal resource;
Organizing public resource described in step S2 is up group of public scheduling request resources, for sending scheduling request signal;
Organizing public resource described in step S2 is up group of common signal channel quality indexed resource, for transmitting channel qualityindication signal.
2. the sending method of uplink control signal as claimed in claim 1, it is characterized in that, the intelligent terminal user number of devices comprised in each intelligent terminal grouping is no more than the discontinuous receiving cycle of intelligent terminal user equipment in this grouping and the ratio of discontinuous reception active period.
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| WO2016019552A1 (en) * | 2014-08-07 | 2016-02-11 | 华为技术有限公司 | Data transmission method, device and system |
| CN106817772B (en) * | 2015-11-27 | 2020-04-14 | 华为技术有限公司 | Data transmission method and device |
| US20180124701A1 (en) * | 2016-10-31 | 2018-05-03 | Mediatek Inc. | Scheduling request (sr) period extension for low power enhancement in a wireless communication device |
| CN108111279B (en) * | 2017-08-21 | 2022-06-03 | 中兴通讯股份有限公司 | Reference signal transmission method, reference signal transmission device, parameter sending method, parameter sending device, terminal and base station |
| CN112218371B (en) * | 2019-07-12 | 2023-08-08 | 大唐移动通信设备有限公司 | Information transmission method and equipment |
| CN112887066B (en) * | 2019-11-29 | 2023-03-31 | 中国移动通信有限公司研究院 | CDRX parameter configuration method and device |
| CN113271186B (en) * | 2020-02-14 | 2023-04-28 | 大唐移动通信设备有限公司 | Information processing method, device, equipment and computer readable storage medium |
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| WO2009114800A2 (en) * | 2008-03-14 | 2009-09-17 | Interdigital Patent Holdings, Inc. | Lte drx cycle alignment |
| CN101606327A (en) * | 2007-02-14 | 2009-12-16 | 高通股份有限公司 | The apparatus and method that are used for the up-link power control of radio communication |
| CN101682925A (en) * | 2007-03-22 | 2010-03-24 | 株式会社Ntt都科摩 | Base station device and method used in mobile communication system |
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| CN101606327A (en) * | 2007-02-14 | 2009-12-16 | 高通股份有限公司 | The apparatus and method that are used for the up-link power control of radio communication |
| CN101682925A (en) * | 2007-03-22 | 2010-03-24 | 株式会社Ntt都科摩 | Base station device and method used in mobile communication system |
| WO2009114800A2 (en) * | 2008-03-14 | 2009-09-17 | Interdigital Patent Holdings, Inc. | Lte drx cycle alignment |
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