CN1856124A - Mobile station grouping method for distributive antenna network and its command system - Google Patents
Mobile station grouping method for distributive antenna network and its command system Download PDFInfo
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Abstract
The invention is concerned with the organizing-group method and the signaling system of the moving platform in distributing style antenna network, including a central unit, a moving platform that is located in the service section controlling by the central unit, processes organizing group of the moving platform in the service area controlling by the central unit according to the pertinence, each group includes a group mark, a group property, a group controlling mark, a group source, a group moving platform list. The group property consists of a group class, a group direction, a united sending mark, a united testing mark, a mode mark. The signaling system includes a signaling in the controlling service area of the central unit. The invention can distribute the logical antenna source and the logical other wireless sources by using the united sending and the united testing in the distributing style antenna system.
Description
(1) technical field
The present invention relates to the grouping method and the signaling system thereof of travelling carriage in a kind of network, especially in next generation mobile communication system, adopt the antenna of distributed coordination work to carry out joint-detection and unite the grouping method and the employed up and downlink signaling system of travelling carriage when launching.
(2) background technology
Mobile communication technology has experienced the three generations at present.3-G (Generation Three mobile communication system) (3rd Generation MobileCommunications System; 3G) be the mobile communication system that with all strength drops into exploitation, it can provide preceding two generation the product various wide-band-message business that can not provide, such as high-speed data, television image etc.3-G (Generation Three mobile communication system) will put goods on the market in recent years.
At next generation mobile communication system B3G (Beyond 3rd Generation; B3G) and among the 4G (4 Generation), multiple-input, multiple-output (Multi Input and Multi Output; MIMO) technology is considered to the key technology of mobile communication system.The MIMO technology may be defined as and has a plurality of independent channels between transmitting terminal and the receiving terminal, promptly exists between the antenna element fully at interval.This technology can improve the capability of communication system and the availability of frequency spectrum exponentially under the situation that does not increase bandwidth, eliminate the correlation of signal between antenna, improves the link performance of signal, increases data throughout.
Distributing antenna system is a kind of of mimo system, but it is different from the mimo system of conventional cell structure again.In distributing antenna system, be travelling carriage (Mobile Terminate; MT) provide a plurality of antennas that distributing in the service area of service, these antenna is by optical fiber and a central location (Central Unit; CU) link to each other, referring to Fig. 1.As can be seen from Fig. 1 because the distance of MT to system shortened in the existence of spaced antenna, MT at least with spaced antenna in the distance of an antenna be no more than sighting distance (Line of Sight; LOS).The spaced antenna structure is compared traditional cell structure and is had great advantage, is the employed primary structure of next generation mobile communication system.
In down link, if network (being CU) can access channel condition information (the Channel State Information of MT; CSI), CU just can use and unite emission (Joint Transmission; JT) technology is launched information to a plurality of MT simultaneously in common signal channel, and this can improve throughput of system greatly, reduce the computation burden of MT.If CU can not obtain the CSI of MT, can only use single user method, for example transmit diversity (Transmitter Diversity; TD) and high specific emission (MaximumRatio Transmission; MRT).Single user method is for a MT provides downlink flow at each channel, adopts the emission of transmit diversity and high specific can improve link-quality, but power system capacity is low, especially lower in multi-user environment when adopting JT.
In up link, if network (being CU) can access the CSI of MT, CU just can utilize joint-detection (JointDetection; JD) technology is to increase power system capacity.If CU can not obtain the CSI of MT, can only use single user method, for example receive diversity and high specific merge (Maximum Ratio Combine; MRC).Equally, in multi-user environment, adopt the JD technology to have bigger advantage than receive diversity.
In distributing antenna system, a CU links to each other with hundreds of antennas, and the coverage of coverage is one or several residential areas.How to organize the user in the coverage, how to distribute antenna resource and other Radio Resources to the user is major issues that distributing antenna system need solve.For example, if all antennas all are used to emission, then employed compute matrix dimension will be excessive in computational process, will cause the computation complexity of JI and JD to strengthen.
In addition, since central location CU down link use unite emission JI or when up link is used joint-detection, all need to know channel condition information CSI, CSI information accurately and timely be carry out JT or JD necessary.But, if travelling carriage MT with fast moving, then the channel condition information CSI of this travelling carriage changes very soon, the CSI information that is used to unite emission or joint-detection is out-of-date information easily.Therefore, the travelling carriage of this fast moving is unsuitable for uniting emission or joint-detection, also is a problem to the processing of the travelling carriage of this fast moving.
Have again, to adopting frequency division multiplexing (Frequency Division Duplex; FDD) system of pattern is because link asymmetric up and down in order to unite emission, needs travelling carriage that the CSI that obtains is fed back to central location.The system gain (Gain) that adopts the associating emission to be brought but the feedback of a large amount of travelling carriages can be offset.Therefore between the feedback of associating transmitting gain and travelling carriage, need to seek a kind of balance.
In this distributing antenna system, the design of uplink and downlink signaling also is an important problems.For example, unite emission at down link and the time will notify travelling carriage received signal and use which kind of signal in which data flow with broadcast signaling, if the travelling carriage quantity in the sub-district is too much, then the above-mentioned broadcast signaling in the down link can make system over-burden, influences the capacity of system.
In some systems in the past, for example in the multi-hop wireless network (Ad hoc Network), once used the notion of " group ".But the grouping demand in the distributed system is different with the grouping demand of other system.For example, requiring in the distributed system group does not have correlation between the travelling carriage or between the antenna, and the travelling carriage of fast moving be not suitable for use in uniting the emission or joint-detection, need in corresponding group, delete.In addition, to service quality (Quality of Service; QoS) there is the travelling carriage of different demands should divide in different groups, has the travelling carriage of different demands also will consider to be placed in the different groups bandwidth (Bandwith).Up to the present, the group technology that is not used for distributing antenna system in the relevant document.
(3) summary of the invention
Therefore, it is a kind of based on the grouping method in the spaced antenna network that main purpose of the present invention is to provide, and makes it possible in distributing antenna system, distributes rational antenna resource and other Radio Resources to the user when emission and joint-detection are united in use.In addition, the present invention also aims to provide one group of signaling system that is used to realize above-mentioned grouping method.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
The grouping method of travelling carriage in a kind of spaced antenna network, comprise a central location, be positioned at the travelling carriage of the service area that this central location controls, it is characterized in that: the travelling carriage in the service area that the channel relevancy of the travelling carriage in the service area of controlling according to this central location is controlled above-mentioned central location is organized into groups.
According to an aspect of the present invention, a marshalling tabulation is set in above-mentioned central location, resource and travelling carriage in the service area that above-mentioned central location is controlled are organized into groups, and this marshalling is tabulated and comprised a group id territory, is used for identifying uniquely each group; Organize Attribute domain for one, be used to identify the attribute of each group; A group control identification field is used to be identified at the resource that is used as Common Control Channel in each group; A group resource domains is used to identify the resource that above-mentioned central location is distributed to each group; A group travelling carriage tabulation territory is used to describe the user ID that each organizes the travelling carriage that is comprised.
According to another aspect of the present invention, above-mentioned group of Attribute domain comprises a component class field, is used to identify the classification of the travelling carriage in each group; A prescription is used to identify the direction of the travelling carriage in the group being carried out Combined Treatment to the territory; An associating launching dart field of awareness is used to identify down link and whether uses the associating emission; A joint-detection identification field is used to identify up link and whether uses combined monitoring; A pattern identification territory is used to identify this wireless network and adopts frequency division multiplexing pattern or time division multiplexing, perhaps adopts frequency division multiplexing pattern and time division multiplexing simultaneously.
According to a further aspect of the invention, the number of the travelling carriage in each group in the service area of controlling according to this central location carries out son with each group and organizes into groups.
According to a further aspect of the invention, a sub-Groups List is set in above-mentioned central location, resource and travelling carriage in above-mentioned each marshalling are organized into groups again, this sub-Groups List comprises a sub-group id territory, is used for identifying uniquely each height group; A son is organized Attribute domain, is used to describe the attribute of each height group; A son group control identification field is used to be described in the resource that is used as Common Control Channel in each height group; A son group resource domains is used to identify the resource that above-mentioned central location is distributed to each height group; A son group travelling carriage tabulation territory is used to describe the user ID of the travelling carriage that each height group comprised.
According to also aspect of the present invention, above-mentioned son group Attribute domain comprises a sub-component class field, is used to identify the classification of the travelling carriage in each height group; A sub-prescription is used to identify the direction of the travelling carriage in the son group being carried out Combined Treatment to the territory; An associating launching dart field of awareness is used to identify down link and whether uses the associating emission; A joint-detection identification field is used to identify up link and whether uses combined monitoring; A pattern identification territory is used to identify this wireless network and adopts frequency division multiplexing pattern or time division multiplexing, perhaps adopts frequency division multiplexing pattern and time division multiplexing simultaneously.
If above-mentioned central location is different fully with travelling carriage to two group institute antenna distributed, above-mentioned two groups are used same Radio Resource, otherwise above-mentioned two groups are used the orthogonal wireless resource.
Above-mentioned resource comprises Radio Resource and antenna; Above-mentioned Radio Resource comprises frequency, time or sign indicating number.
A kind of signaling system that is used to control the described grouping method of claim 1, it is characterized in that: this signaling system comprises the signaling in the coverage that one group of central location controls, the upright signaling of establishment that comprises down link, central location will be set up upright information by this signaling and be notified to all travelling carriages in the service area that this central location controls, organize into groups with this signaling corresponding mobile station; The group of down link change signaling, above-mentioned central location will be organized changed information by this signaling and notify all travelling carriages in the service area that this central location controls, and the travelling carriage relevant with this signaling changed; The group of down link deletion signaling, above-mentioned central location will be organized deletion information by this signaling and notify all travelling carriages in the service area that this central location controls, and the travelling carriage relevant with this signaling is from organizing interior deletion; The channel condition information demand signalling of down link is used to indicate all travelling carriages in the service area that this central location controls to above-mentioned central location Return Channel state information; The channel measurement demand signalling of down link, above-mentioned central location is by all the travelling carriage emission pilot signals in this signaling indication service area, and above-mentioned central location is measured to determine uplink channel state information above-mentioned travelling carriage pilot transmitted signal; Travelling carriage in the uplink channel state feedback information signaling, the service area that above-mentioned central location is controlled is to above-mentioned central location Return Channel state information; Travelling carriage in the pilot signal of up link, the service area that above-mentioned central location is controlled returns pilot signal to above-mentioned central location.
According to an aspect of the present invention, above-mentioned group of change signaling comprises that group increases travelling carriage, is used for adding travelling carriage in a group; Perhaps group deletion travelling carriage is used for deleting travelling carriage in a group; Perhaps group increases resource, is used for increasing resource in a group; Perhaps group deletion resource is used for deleting resource in a group; Perhaps organize control information and change, be used to be identified at the control information that changes in the group; Perhaps organize attribute and change, be used to describe the change of a group attribute; Perhaps group deletion is used to describe deleted group.Above-mentioned group of change signaling also comprises or do-nothing instruction, is used to identify above-mentioned group and is in the group maintenance state.
According to another aspect of the present invention, the signaling process in the coverage controlled of above-mentioned central location comprises following steps:
(1) travelling carriage in the coverage controlled of above-mentioned central location is registered to central location; Then
(2) above-mentioned central location all travelling carriage transmitting channels in the coverage of being controlled are measured request; Then
(3) above-mentioned all travelling carriages return pilot signal to above-mentioned central location respectively; Then
(4) above-mentioned central location sends a upright signaling of establishment according to the above-mentioned pilot signal that receives all travelling carriages in its coverage of controlling or organizes and revise signaling; Then
(5) above-mentioned central location is determined the time interval that group is safeguarded according to the above-mentioned pilot signal that receives, and repeats above-mentioned steps (2), (3), (4) after the above-mentioned time interval; Then
(6) above-mentioned central location all travelling carriage transmitting channel state information requests in the coverage of being controlled; Then
(7) above-mentioned central location all travelling carriages in the coverage of being controlled are respectively to above-mentioned central location Return Channel state information feedback.
According to a further aspect of the invention, this signaling also comprises the signaling in the group in the coverage that one group of central location controls, the son that comprises down link is set up upright signaling, above-mentioned central location is set up upright information by this signaling with son and is notified to all interior travelling carriages of this group, organizes into groups with this signaling corresponding mobile station again; The child group change signaling of down link, above-mentioned central location is organized changed information by this signaling with son and is notified to all interior travelling carriages of this group, changes with this signaling corresponding mobile station; The child group of down link deletion signaling, above-mentioned central location is organized deletion information by this signaling with son and is notified to all interior travelling carriages of this group, with this signaling corresponding mobile station from organizing interior deletion; The channel condition information demand signalling of down link is used to indicate this central location to control interior all travelling carriages of this group to above-mentioned central location Return Channel state information; The channel measurement demand signalling of down link, above-mentioned central location indicates all travelling carriages in this group to launch pilot signals by this signaling, and above-mentioned central location is measured to determine uplink channel state information above-mentioned travelling carriage pilot transmitted signal; Travelling carriage in the uplink channel state feedback information signaling, the group that above-mentioned central location is controlled is to above-mentioned central location Return Channel state information; Travelling carriage in the pilot signal of up link, the group that above-mentioned central location is controlled returns pilot signal to above-mentioned central location.
According to a further aspect of the invention, above-mentioned son group change signaling comprises that the son group increases travelling carriage, is used for adding travelling carriage in a son group; Perhaps son group deletion travelling carriage is used for deletion travelling carriage in a son group; Perhaps the son group increases resource, and being used for increases resource in a son group; Perhaps son group deletion resource is used for deletion resource in a son group; Perhaps the control information of son group changes, and is used to be identified at the control information that changes in the son group; Perhaps son group attribute changes, and is used to describe the change of a son group attribute; Perhaps the deletion of son group is used to describe deleted child group.Above-mentioned son group change signaling also comprises or do-nothing instruction, is used to identify above-mentioned son group and is in the group maintenance state.
According to also aspect of the present invention, the signaling process in the group of the coverage that above-mentioned central location is controlled comprises following steps:
(1) travelling carriage in the coverage controlled of above-mentioned central location is registered to central location; Then
(2) above-mentioned central location all travelling carriage transmitting channels in a group of the coverage of being controlled are measured request; Then
(3) all travelling carriages in the above-mentioned group return pilot signal to above-mentioned central location respectively; Then
(4) above-mentioned central location sends a sub upright signaling or a son group modification signaling set up according to the above-mentioned pilot signal that receives all travelling carriages in each group; Then
(5) above-mentioned central location repeats above-mentioned steps (2), (3), (4) according to the time interval of the true stator pack maintenance of the above-mentioned pilot signal that receives after the above-mentioned time interval; Then
(6) above-mentioned central location all travelling carriage transmitting channel state information requests in a group of its coverage of controlling; Then
(7) all travelling carriages in the above-mentioned group are respectively to above-mentioned central location Return Channel state information feedback.
By such scheme as can be seen, key of the present invention is: the resource in the service area that a central location is controlled is divided at least one group, and each group comprises a group id, a group attribute, a group control sign, a group resource, a group travelling carriage tabulation; And be provided with the signaling in the group in the coverage that signaling in the coverage of controlling for this central location and this central location control.
As seen, group technology and signaling system thereof in the spaced antenna network provided by the present invention have following advantage and characteristics:
(1) packet configuration proposed by the invention is special in the Radio Network System design of using spaced antenna, and it provides a platform flexibly for the scheduling of the distribution of resource, user management, spaced antenna network.
(2) packet configuration proposed by the invention makes can introduce effectively in system and unites emission and associated detection technique, improves the performance of system.
(3) packet configuration proposed by the invention is a kind of hierarchy, can effectively reduce signaling consumption by this hierarchy, has therefore improved resource utilization.
(4) the invention allows for a kind of signaling system that is used to realize grouping method of the present invention, reduce to control the burden of signaling, reduce the consumption of signaling transmission for bandwidth.
(4) description of drawings
Fig. 1 is the distributing antenna system schematic diagram.
Fig. 2 is a grouping concept schematic diagram in the distributing antenna system among the present invention.
Fig. 3 is that element constitutes schematic diagram in the group object among the present invention.
Fig. 4 is the group structural representation that is stored among the present invention in the travelling carriage.
Fig. 5 is that down link uses the non-upright schematic diagram of establishment of uniting emission among the present invention.
Fig. 6 is that down link uses the associating emission among the present invention, and up link is used the upright schematic diagram of the establishment of joint-detection.
Fig. 7 is a group change schematic diagram among the present invention.
Fig. 8 is the network reset condition schematic diagram of embodiment among the present invention.
Fig. 9 is the group 1 attribute schematic diagram of embodiment among the present invention.
Figure 10 is the upright signaling structure schematic diagram of the establishment of foundation group 1 among the embodiment among the present invention.
Figure 11 is the content schematic diagram that RU1-1 group control sign comprises among the embodiment among the present invention.
Figure 12 is set up the group schematic diagram that upright central location coverage is afterwards divided among the embodiment among the present invention.
Figure 13 is set up upright and sets up to found signaling process schematic diagram afterwards in the embodiment of the invention of representing with the form of message sequence chart among the present invention.
Figure 14 be among the present invention adaptability embodiment of representing to organize travelling carriage MT4 in conjunction with the schematic diagram of more antennas.
Figure 15 is that travelling carriage MT4 is assigned to schematic diagram behind the group G001 among the present invention adaptability embodiment of representing to organize.
(5) embodiment
Describe the present invention below in conjunction with accompanying drawing.
The prerequisite that the present invention realizes is: travelling carriage is divided into two classes, i.e. category-A and category-B.Category-A is meant and can not makes Combined Treatment those travelling carriages of (comprise and unite emission and joint-detection) with other travelling carriages in such; Category-B is meant those travelling carriages that can make Combined Treatment with other travelling carriages in such.Fig. 2 is a grouping concept schematic diagram in the distributing antenna system among the present invention.Among this figure, A.1 group belongs to category-A, group B.1, group B.2, B.3 group belong to category-B.B.1 travelling carriage MT1 had both belonged to group, belonged to group again B.2; B.3 travelling carriage MT6 had both belonged to group, belonged to group again A.1.Because B.2 B.1 group have overlappingly on the geographical position with group, so these two groups are used the orthogonal wireless resources.And because B.3 B.2 group do not have overlappingly on the geographical position with group, so these two groups are used same Radio Resources.Radio Resource herein comprises frequency, time, sign indicating number.
Grouping in distributing antenna system and resource management and scheduling are in close relations, in having used the DA system of group technology, resource allocation problem can be divided into two classes: the one, and a plurality of groups resource allocation problem and travelling carriage assignment problem, two is the resource allocation problems between the interior travelling carriage of a group.When a travelling carriage is registered in network, this travelling carriage can be assigned to a unique user ID UID, travelling carriage for new registration, because network does not know whether this travelling carriage is fit to do Combined Treatment, therefore network is always assigned to category-A with this travelling carriage, determine by queried channel state information CSI whether this travelling carriage is suitable for Combined Treatment then, if be fit to then assign to category-B.For time division multiplexing (Time Division Duplex; TDD) pattern, because its up and symmetry down link, CU can come the CSI of estimating down-ward link by the signal of travelling carriage emission in the up link.For fdd mode, travelling carriage estimates CSI at down link by pilot signal, in up link this CSI information is returned to CU then.Channel condition information CSI can be set at travelling carriage and upgrade to network-reporting at intervals, also can be set at travelling carriage and answer the requirement of network and upgrade to network-reporting.
Fig. 3 is that element constitutes schematic diagram in the group object among the present invention.Each group comprises a unique group id GID, group attribute Property, a group control sign LCI, group resource Resource, a group travelling carriage tabulation List.Group id is used for distinguishing the different group of network.The group attribute is used to represent the attribute of the travelling carriage in this group, and this group attribute comprises a group categories again, is used to indicate this travelling carriage and belongs to category-A or category-B; Prescription to, be used to indicate the direction of Combined Treatment; An associating transmit identification is used to indicate at down link whether can do the associating emission; A joint-detection sign is used to indicate in up link whether can do joint-detection; A pattern identification, being used to indicate this network is to adopt frequency division multiplexing (Frequency Division Duplex; FDD) pattern still is time division multiplexing (Time Division Duplex; TDD) pattern, or mixed mode.Group control sign is used for identifying which resource is used as the interior Common Control Channel of group in this group, and this Common Control Channel has indicated Modulation and Coding Scheme (the Modulation and Coding Scheme of travelling carriage; MCS) and the resource of up, down link mapping (MAP) and joint-detection and unite the employed scheme of emission, for example send information such as pattern, power, channel.Above-mentioned group of structure generally is stored among the CU.
Simultaneously, also stored the group structure of a correspondence in each travelling carriage.Fig. 4 is the group structural representation that is stored among the present invention in the travelling carriage.Show the group under each user ID UID and the attribute of respective sets among this figure.A travelling carriage may belong at least one group, because of the group under this travelling carriage in the vocabulary has at least one.
The corresponding signaling system of knowing in the antenna system with above-mentioned distribution of group technology is divided into the signaling in the coverage and organizes interior signaling.CU gives each travelling carriage distributing radio resource RU by setting up upright signaling, thereby sets up a new group.Fig. 5 is that down link uses the non-upright schematic diagram of establishment of uniting emission among the present invention.Comprise 3 travelling carriages (MT1, MT2, MT3) in the group in the figure, 4 Radio Resources (RU7, RU3, RU8, RU1) are assigned to this group, and a Radio Resource (RU7) is used as group control sign, is used for identifying down link control information.After receiving the upright signaling of establishment, MT1, MT2, MT3 monitor RU7 and determine which RU these three travelling carriages use receive data respectively at down link.Herein, the down link that Radio Resource RU1 is used for travelling carriage MT1 receives, and the down link that RU8 is used for MT2 receives, and the down link that RU3 is used for MT3 receives.
Fig. 6 is that down link uses the associating emission among the present invention, and up link is used the upright schematic diagram of the establishment of joint-detection.The travelling carriage of this figure and Radio Resource all with Fig. 5 in identical, i.e. 3 travelling carriages (MT1, MT2, MT3), 4 Radio Resources (RU7, RU3, RU8, RU1) are assigned to this group, a Radio Resource (RU7) is used as group control sign.Receive set up upright signaling after, MT1, MT2, MT3 monitor RU7 and determine which RU these three travelling carriages use launch respectively or receive data at down link.Herein, Radio Resource RU1 is used for the downlink combined emission of CU to travelling carriage MT1, MT2, MT3, and RU8 and RU3 are used for the signal of CU receiving mobile MT1, MT2, MT3 to carry out the up link joint-detection.
Fig. 7 is a group change schematic diagram among the present invention.Comprise group id GID territory among the figure, change sign indicating number territory and parameter field.Which kind of change what this group change signaling of change sign indicating number sign will be finished is, parameter field provides the parameter that change will be used.In general, this signaling should be supported following change type at least: increase travelling carriage type, deletion travelling carriage type, the resource type that increases, deletion resource type, group control information change type, group attribute change type, group deletion, channel condition information request type, channel measurement request type.Fig. 8 is the embodiment of the upright process of establishment of the present invention to Figure 10.Suppose that 6 antennas (An1 is to An6) are arranged in the coverage that central location is controlled, 4 travelling carriages (MT1 is to MT4), 3 Radio Resources (RU1 is to RU3).RU3 is used for Common Control Channel, and RU1, RU2 are used to distribute to the resource of group, and RU1 and RU2 can also further be divided into littler resource, for example RU1-1, RU1-2 etc.What supposing the system used is fdd mode.Travelling carriage MT1, MT2, MT3 do not move, and are suitable for doing uniting launching and joint-detection.MT4 is the travelling carriage of fast moving, is unsuitable for doing uniting launching and joint-detection.The user ID UID of travelling carriage MT1, MT2, MT3, MT4 is respectively U001, U002, U003, U004.At first, there is not travelling carriage in the coverage that central location is controlled, as shown in Figure 8.The signaling of coverage is to obtain by RU3.Subsequently, above-mentioned 4 travelling carriages are registered in network by access way at random.This moment do not know for sure the attribute of each travelling carriage of network, therefore, network sends " channel measurement request " respectively and gives above-mentioned 4 travelling carriages.Travelling carriage is estimated channel condition information CSI and Position Approximate thereof receiving " channel measurement request " afterwards to the network pilot signal transmitted.According to estimated channel state information and resource allocation algorithm, central location is assigned to group 1 (GID is G001) with MT1, MT2, and the antenna that uses is An1, An3, An4; MT3, MT4 are assigned to group 2 (GID is G002), and the antenna that uses is An5, An6.RU1 is assigned to G001, RU2 is assigned to G002.This moment, these two groups all were category-A.RU1 is further divided into 3 child resources, is respectively RU1-1, RU1-2, RU1-3.RU2 also is further divided into 3 child resources, is respectively RU2-1, RU2-2, RU2-3.Fig. 9 has demonstrated and has organized 1 attribute.Attribute and Fig. 9 of group 2 are similar.
Central location CU is by " setting up upright signaling " notice travelling carriage foundation group, and for example, the signaling of foundation group 1 (GID is G001) has structure shown in Figure 10.
Receive " set up upright signaling " at travelling carriage MT1, MT2 after, will be on RU1-1 monitoring control channel.If central location uses RU1-2 to come received signal by travelling carriage MT1 at down link, allow travelling carriage MT2 use RU1-3 to come received signal at down link, then in RU1-1, will comprise the information of above-mentioned this necessity.As shown in figure 11.
Figure 12 is set up the group schematic diagram that upright central location coverage is afterwards divided among the embodiment among the present invention.Group 1 comprises MT1, MT2 (UID is U001 and U002) among the figure, and the antenna that uses is An1, An3, An4, and group 2 comprises MT3, MT4 (UID is U003 and U004), and the antenna that uses is An5, An6.
Figure 13 is set up upright and sets up to found signaling process afterwards, with message sequence chart (Message Sequence Chart; MSC) form is represented.It is upright later through after a while at first to be that the upright process of above-mentioned establishment is set up, and central location sends " channel measurement request " by the group control channel to initiate travelling carriage once more.Being that central location is adaptive during this period of time determines.Central location CSI that will record specifically and comparing of recording last time then.Because travelling carriage MT4 (U004) is with fast moving, CSI that returns from MT4 (U004) and the CSI that recorded last time have very big difference, so MT4 (U004) is not suitable for use in Combined Treatment.And CSI that returns from MT1 and MT2 and the CSI difference that recorded last time are little, therefore are suitable for doing Combined Treatment.Central location sends " group change " signaling for group 1 (G001) and makes its attribute with Combined Treatment, and then U001 and U002 can carry out joint-detection and unite emission on common signal channel RU1.In order to use the associating emission at down link, central location sends " channel condition information request " to U001 and U002, after U001 and U002 receive this request, to central location Return Channel state information.
Figure 14 is to the adaptability embodiment of Figure 15 for expression group among the present invention.If the travelling carriage MT4 of above-mentioned fast moving moves near the antenna An4, stop motion then.Move in the process that stops at this, central location CU detects link-quality and the channel condition information CSI of MT4 at set intervals.Figure 14 represents to organize G002 and combines more antenna, for example antenna An3, An4.
After travelling carriage MT4 stopped to move, central location detected through above-mentioned CSI and finds that U001, U002, U004 are fit to do Combined Treatment, and central location is assigned to U004 among the group G001.The formation situation of the group after Figure 15 represents to distribute.
Above-mentioned signaling is included in the increase travelling carriage type in " group change " signaling, and purpose is that U004 is added among the group G001, and the deletion travelling carriage type in " group change " signaling, and purpose is that U004 is deleted from group G002.
From the foregoing description as can be seen, packet configuration proposed by the invention can effectively reduce signaling consumption, improve resource utilization by hierarchy of the present invention for the scheduling of the distribution of resource, user management, spaced antenna network provides a platform flexibly.
Claims (17)
1. the grouping method of travelling carriage in the spaced antenna network, comprise a central location, be positioned at the travelling carriage of the service area that this central location controls, it is characterized in that: the travelling carriage in the service area that the channel relevancy of the travelling carriage in the service area of controlling according to this central location is controlled above-mentioned central location is organized into groups.
2. grouping method according to claim 1 is characterized in that: a marshalling tabulation is set in above-mentioned central location, and this marshalling tabulation comprises a group id territory, is used for identifying uniquely each group; Organize Attribute domain for one, be used to identify the attribute of each group; A group control identification field is used to be identified at the resource that is used as Common Control Channel in each group; A group resource domains is used to identify the resource that above-mentioned central location is distributed to each group; A group travelling carriage tabulation territory is used to describe the user ID that each organizes the travelling carriage that is comprised.
3. grouping method according to claim 2 is characterized in that: above-mentioned group of Attribute domain comprises a component class field, is used to identify the classification of the travelling carriage in each group; A prescription is used to identify the direction of the travelling carriage in the group being carried out Combined Treatment to the territory; An associating launching dart field of awareness is used to identify down link and whether uses the associating emission; A joint-detection identification field is used to identify up link and whether uses combined monitoring; A pattern identification territory is used to identify this wireless network and adopts frequency division multiplexing pattern or time division multiplexing, perhaps adopts frequency division multiplexing pattern and time division multiplexing simultaneously.
4. according to claim 2 or 3 described grouping methods, it is characterized in that: if the travelling carriage in each group in the service area that above-mentioned central location is controlled outnumbered predetermined number, will above-mentioned each group carry out son and organize into groups.
5. grouping method according to claim 4 is characterized in that: a sub-Groups List is set in above-mentioned central location, and this sub-Groups List comprises a sub-group id territory, is used for identifying uniquely each height group; A son is organized Attribute domain, is used to describe the attribute of each height group; A son group control identification field is used to be described in the resource that is used as Common Control Channel in each height group; A son group resource domains is used to identify the resource that above-mentioned central location is distributed to each height group; A son group travelling carriage tabulation territory is used to describe the user ID of the travelling carriage that each height group comprised.
6. grouping method according to claim 5 is characterized in that: above-mentioned son group Attribute domain comprises a sub-component class field, is used to identify the classification of the travelling carriage in each height group; A sub-prescription is used to identify the direction of the travelling carriage in the son group being carried out Combined Treatment to the territory; An associating launching dart field of awareness is used to identify down link and whether uses the associating emission; A joint-detection identification field is used to identify up link and whether uses combined monitoring; A pattern identification territory is used to identify this wireless network and adopts frequency division multiplexing pattern or time division multiplexing, perhaps adopts frequency division multiplexing pattern and time division multiplexing simultaneously.
7. according to claim 2 or 3 described grouping methods, it is characterized in that: if above-mentioned central location is different fully with travelling carriage to two group institute antenna distributed, above-mentioned two groups are used same Radio Resource, otherwise above-mentioned two groups are used the orthogonal wireless resource.
8. according to claim 2 or 3 described grouping methods, it is characterized in that: above-mentioned resource comprises Radio Resource and antenna.
9. grouping method according to claim 8 is characterized in that: above-mentioned Radio Resource comprises frequency, time or sign indicating number.
10. signaling system that is used to control the described grouping method of one of claim 1 to 3, it is characterized in that: this signaling system comprises the signaling in the coverage that one group of central location controls, the upright signaling of establishment that comprises down link, central location will be set up upright information by this signaling and be notified to all travelling carriages in the service area that this central location controls, organize into groups with this signaling corresponding mobile station; The group of down link change signaling, above-mentioned central location will be organized changed information by this signaling and notify all travelling carriages in the service area that this central location controls, and the travelling carriage relevant with this signaling changed; The group of down link deletion signaling, above-mentioned central location will be organized deletion information by this signaling and notify all travelling carriages in the service area that this central location controls, and the travelling carriage relevant with this signaling is from organizing interior deletion; The channel condition information demand signalling of down link is used to indicate all travelling carriages in the service area that this central location controls to above-mentioned central location Return Channel state information; The channel measurement demand signalling of down link, above-mentioned central location is by all the travelling carriage emission pilot signals in this signaling indication service area, and above-mentioned central location is measured to determine uplink channel state information above-mentioned travelling carriage pilot transmitted signal; Travelling carriage in the uplink channel state feedback information signaling, the service area that above-mentioned central location is controlled is to above-mentioned central location Return Channel state information; Travelling carriage in the pilot signal of up link, the service area that above-mentioned central location is controlled returns pilot signal to above-mentioned central location.
11. signaling system according to claim 10 is characterized in that: above-mentioned group of change signaling comprises that group increases travelling carriage, is used for adding travelling carriage in a group; Perhaps group deletion travelling carriage is used for deleting travelling carriage in a group; Perhaps group increases resource, is used for increasing resource in a group; Perhaps group deletion resource is used for deleting resource in a group; Perhaps organize control information and change, be used to be identified at the control information that changes in the group; Perhaps organize attribute and change, be used to describe the change of a group attribute; Perhaps group deletion is used to describe deleted group.
12. signaling system according to claim 11 is characterized in that: above-mentioned group of change signaling also comprises or do-nothing instruction, is used to identify above-mentioned group and is in the group maintenance state.
13. signaling system according to claim 10 is characterized in that: the signaling process in the coverage that above-mentioned central location is controlled comprises following steps:
(1) travelling carriage in the coverage controlled of above-mentioned central location is registered to central location; Then
(2) above-mentioned central location all travelling carriage transmitting channels in the coverage of being controlled are measured request; Then
(3) above-mentioned all travelling carriages return pilot signal to above-mentioned central location respectively; Then
(4) above-mentioned central location sends a upright signaling of establishment according to the above-mentioned pilot signal that receives all travelling carriages in its coverage of controlling or organizes and revise signaling; Then
(5) above-mentioned central location is determined the time interval that group is safeguarded according to the above-mentioned pilot signal that receives, and repeats above-mentioned steps (2), (3), (4) after the above-mentioned time interval; Then
(6) above-mentioned central location all travelling carriage transmitting channel state information requests in the coverage of being controlled; Then
(7) above-mentioned central location all travelling carriages in the coverage of being controlled are respectively to above-mentioned central location Return Channel state information feedback.
14. signaling system according to claim 10, it is characterized in that: this signaling also comprises the signaling in the group in the coverage that one group of central location controls, the son that comprises down link is set up upright signaling, above-mentioned central location is set up upright information by this signaling with son and is notified to all interior travelling carriages of this group, organizes into groups with this signaling corresponding mobile station again; The child group change signaling of down link, above-mentioned central location is organized changed information by this signaling with son and is notified to all interior travelling carriages of this group, changes with this signaling corresponding mobile station; The child group of down link deletion signaling, above-mentioned central location is organized deletion information by this signaling with son and is notified to all interior travelling carriages of this group, with this signaling corresponding mobile station from organizing interior deletion; The channel condition information demand signalling of down link is used to indicate this central location to control interior all travelling carriages of this group to above-mentioned central location Return Channel state information; The channel measurement demand signalling of down link, above-mentioned central location indicates all travelling carriages in this group to launch pilot signals by this signaling, and above-mentioned central location is measured to determine uplink channel state information above-mentioned travelling carriage pilot transmitted signal; Travelling carriage in the uplink channel state feedback information signaling, the group that above-mentioned central location is controlled is to above-mentioned central location Return Channel state information; Travelling carriage in the pilot signal of up link, the group that above-mentioned central location is controlled returns pilot signal to above-mentioned central location.
15. signaling system according to claim 14 is characterized in that: above-mentioned son group change signaling comprises that the son group increases travelling carriage, is used for adding travelling carriage in a son group; Perhaps son group deletion travelling carriage is used for deletion travelling carriage in a son group; Perhaps the son group increases resource, and being used for increases resource in a son group; Perhaps son group deletion resource is used for deletion resource in a son group; Perhaps the control information of son group changes, and is used to be identified at the control information that changes in the son group; Perhaps son group attribute changes, and is used to describe the change of a son group attribute; Perhaps the deletion of son group is used to describe deleted child group.
16. signaling system according to claim 15 is characterized in that: above-mentioned son group change signaling also comprises or do-nothing instruction, is used to identify above-mentioned son group and is in the group maintenance state.
17. signaling system according to claim 16 is characterized in that: the signaling process in the group of the coverage that above-mentioned central location is controlled comprises following steps:
(1) travelling carriage in the coverage controlled of above-mentioned central location is registered to central location; Then
(2) above-mentioned central location all travelling carriage transmitting channels in a group of the coverage of being controlled are measured request; Then
(3) all travelling carriages in the above-mentioned group return pilot signal to above-mentioned central location respectively; Then
(4) above-mentioned central location sends a sub upright signaling or a son group modification signaling set up according to the above-mentioned pilot signal that receives all travelling carriages in each group; Then
(5) above-mentioned central location repeats above-mentioned steps (2), (3), (4) according to the time interval of the true stator pack maintenance of the above-mentioned pilot signal that receives after the above-mentioned time interval; Then
(6) above-mentioned central location all travelling carriage transmitting channel state information requests in a group of its coverage of controlling; Then
(7) all travelling carriages in the above-mentioned group are respectively to above-mentioned central location Return Channel state information feedback.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025707A (en) * | 2009-09-21 | 2011-04-20 | 华为技术有限公司 | Method, system and apparatus for data sending |
| CN103190085A (en) * | 2010-09-08 | 2013-07-03 | 英特尔公司 | Enhanced base station and method for communicating through an enhanced distributed antenna system (eDAS) |
| CN109286693A (en) * | 2018-11-01 | 2019-01-29 | 浩云科技股份有限公司 | A kind of the intelligent packet control method and system of safety precaution denial system |
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2005
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025707A (en) * | 2009-09-21 | 2011-04-20 | 华为技术有限公司 | Method, system and apparatus for data sending |
| CN103190085A (en) * | 2010-09-08 | 2013-07-03 | 英特尔公司 | Enhanced base station and method for communicating through an enhanced distributed antenna system (eDAS) |
| CN103190085B (en) * | 2010-09-08 | 2015-11-25 | 英特尔公司 | For the enhanced base station that communicated by enhancement mode distributing antenna system (eDAS) and method |
| US9788313B2 (en) | 2010-09-08 | 2017-10-10 | Intel Corporation | User equipment for receiving coordinated multi-point (COMP) transmissions |
| TWI618373B (en) * | 2010-09-08 | 2018-03-11 | 英特爾股份有限公司 | User equipment for receiving coordinated multi-point (comp) transmissions |
| CN109286693A (en) * | 2018-11-01 | 2019-01-29 | 浩云科技股份有限公司 | A kind of the intelligent packet control method and system of safety precaution denial system |
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| CN100495942C (en) | 2009-06-03 |
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