CN106455005B - Radio transmitting method and device in a kind of high-speed mobile environment - Google Patents
Radio transmitting method and device in a kind of high-speed mobile environment Download PDFInfo
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- CN106455005B CN106455005B CN201510487661.6A CN201510487661A CN106455005B CN 106455005 B CN106455005 B CN 106455005B CN 201510487661 A CN201510487661 A CN 201510487661A CN 106455005 B CN106455005 B CN 106455005B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The invention discloses the radio transmitting methods and device in a kind of high-speed mobile environment.As one embodiment, in step 1, first node sends the first information to second node, and second node sends the second information to third node；In step 2, third node sends third information to second node, and second node sends the 4th information to first node.Wherein, first node and second node are user equipment respectively.The first information includes access request, and the second information includes the mark of first node, and third information includes access response, and the 4th information includes the access response.First community is the serving cell of second node, and second community is the serving cell of first node, and first community is maintained by third node, and second community is maintained by fourth node.The present invention can be effectively reduced due to call drop caused by switching, and be especially suitable for high-speed mobile communications.
Description
Technical field
The present invention relates to the transmission plans of the wireless signal in wireless communication system, more particularly to the wireless transmission of switching
Method and apparatus.
Background technique
Become next generation mobile communication to the high-speed mobile scene that extraneous (V2X-Vehicle to X) is representative with vehicle
One research hotspot.And the serious challenge that traditional cellular network is faced in high-speed mobile scene is: terminal is being cut
The high cutting off rate faced when changing.In order to solve this problem, the technologies such as soft handover, baton handover are applied to the hand-held of part
In terminal.However above-mentioned technology fails to be adopted by LTE (Long Term Evolution, long term evolution) since complexity is higher
It receives.
Summary of the invention
In view of the above-mentioned problems, the present invention provides solutions.It should be noted that in the absence of conflict, this Shen
The feature in the embodiment and embodiment in first node please can be applied in second node, and vice versa.Further,
In the absence of conflict, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Inventors discovered through research that: for vehicle to vehicle (V2V-Vehicle to Vehicle) communication, Yi Zhongke
The scene of energy is that two automobiles to go in the same direction are likely to be attached to different serving cells.And compared to mobile automobile to admittedly
The channel quality of wireless channel between fixed base station, the wireless channel between two automobiles to go in the same direction may be more
It is good.
According to the studies above, the invention discloses a kind of methods of wireless communication, wherein includes the following steps:
Step A. first node sends the first information to second node, and second node sends the second information to third node
Step B. third node sends third information to second node, and second node sends the 4th information to first node；
Or third node sends third information to fourth node, fourth node sends the 4th information to first node.
Wherein, first node and second node are user equipment respectively.The first information includes { access request, first community
Mark, the mark of second community, the mark of first node, the mark of second node } at least one of, the second information includes
At least one of { access request, the mark of first node, mark of second community }, third information include that { access is answered
Answer, the mark of first node, the mark of second community } at least one of, the 4th information include the access response, first
At least one of the mark of node, the mark of second community }.First community is the serving cell of second node, second community
It is the serving cell of first node, first community is maintained by third node, and second community is maintained by fourth node.The access is answered
It answers including allowing to access or refuse access.
In common switching flow, the channel quality of terminal monitoring to Target cell is more than the channel matter of current service cell
(serving cell edge is in) when amount, by feeding back corresponding metrical information come division switching.However for mobile unit, eventually
End is moved to except serving cell covering from serving cell edge in a relatively short period of time, if the nothing within the shorter time
Method completes switching, then faces the risk of call drop.
And in the above method, first node can trigger handover operation at the position at the opposite center in second community
(may be not yet in the coverage area of first community)-is by the relaying of second node.The above method allows first node to exist
It is switched to first community from second community in one longer time, reduces cutting off rate.
As one embodiment, the first information further includes { movement speed of first node, the moving direction of first node }
At least one of.As a sub- embodiment, the moving direction of first node be approach second node, far from second node,
It is constant with the distance of second node } in one.
As one embodiment, the first information further include first node according to the measurement in first community, it is small second
Measurement in area } at least one of determine channel quality parameter.As a sub- embodiment, the first information includes first segment
The point channel quality parameter determining according to the measurement in first community, the channel quality parameter includes { RSRP
(Reference Signal Receiving Power, reference signal receive energy), RSRQ (Reference Signal
At least one of Receiving Qual ity, Reference Signal Received Quality) }.As a sub- embodiment, the first information is also
Including at least one of { ratio of the first RSRP to the 2nd RSRP, ratio of the first RSRQ to the 2nd RSRQ }, the first RSRP
It is to be determined by first node according to the measurement in first community with the first RSRQ, the 2nd RSRP and the 2nd RSRQ are by first
Node is determined according to the measurement in second community.
As one embodiment, third node and fourth node have been equipped with RSU (Roadside Unit, roadside list respectively
Member) base station.As one embodiment of the RSU, the RSU is the transport structure body of transmission speed instruction
(Transportation Infrastructure, transport structure body).
As one embodiment, the information is transmitted in multiple (eating dishes without rice or wine) subframes.As one embodiment, the information
It is transmitted in a subframe.
As one embodiment, third node sends third information to fourth node by X2 interface.Implement as one
Example, third node send third information to fourth node by optical fiber.
As one embodiment, the access request is by { information bit, Zadoff-Chu sequence, pseudo-random sequence }
At least one instruction.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. fourth node sends the 5th information and gives third node.
Wherein, the 5th information includes { SN STATUS TRANSFER message (message), E-RAB parameter
(attributes), RRC context IE (Information Element, information unit), the bag data of caching are being sent out
At least one of the bag data sent }.
As one embodiment, fourth node sends the 5th information to third node by X2 interface.Implement as one
Example, fourth node send the 5th information to third node by fiber direct connection channel.
5th information is that first community (by the relaying of second node) and first node are established necessary to communication link
Information.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. passes through the relaying of second node, transmission of packet data (Packet between first node and third node
Data)。
Wherein, the access response is to allow to access.
As one embodiment, in the step D, first node sends given bag data to second node, second node
It has correctly received the given bag data and the given bag data is sent to third node later.
As one embodiment, in the step D, third node sends given bag data to second node, second node
It has correctly received the given bag data and the given bag data is sent to first node later.
It is compared with traditional switching flow, first node is in can be with Target cell maintenance package number in serving cell covering
According to transmission.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step E. first node and third node establish RRC (Radio Resource Control, wireless heterogeneous networks)
Connection.
As one embodiment, the step E uses LTE scheme, i.e. specific embodiment are as follows: first node is sent
RRCConnectionRequest message gives third node.Third node sends RRCConnectionSetup message to first segment
Point and first node send RRCConnectionSetupComplete message and send to third node or third node
RRCConnectionReject message is to first node.As a sub- embodiment, first node is received
Before RRCConnectionSetupComplete message and second node keeps being wirelessly connected.
As one embodiment, first node executes above-mentioned steps E after being moved in first community coverage area.
As one embodiment, the step E occurs after the step D.
As one embodiment, the step E includes the following steps:
Step E1. first node sends uplink synchronizing signals in first community, and third node transmission timing adjusts signaling
And uplink scheduling (UL Grant) gives first node.
As one embodiment, the step E includes the following steps:
Step E2. first node sends bag data and sends bag data to first segment to third node or third node
Point.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step F. first node receives the RRCConnectionReconfiguration message sent by second community,
The RRCConnectionReconfiguration message includes mobilityControlInfo.
As one embodiment, the step F is after the step D.As one embodiment, the step F is in institute
After stating step A.The essence of above-mentioned two embodiment is: establishing connection to first node and third node (passing through relaying)
Afterwards, fourth node interrupts the communication with first node again.It can significantly reduce cutting off rate in this way.It is different with soft handover, first node
It with the connection of third node is at this time relayed by second node.
As one embodiment, the targetPhysCellId in the mobilityControlInfo is first community
Physical district ID (PhysCellId).
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step G. first node sends the 6th information and sends the 6th information to second to second node or third node
Node.
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or during the 6th information indicates
Wireless connection between disconnected first node and second node.
As one embodiment, the step G is after the step E.The essence of the present embodiment is: first node with
During third node establishes RRC connection, is still kept in touch by the relaying of second node and third node, improve Shandong
Stick.
As one embodiment, in the step G, second node interrupts and the wireless transmission of first node.
As one embodiment, the step G further includes following steps:
Step G1. second node sends the 6th information to first node.
Wherein, third node sends the 6th information to second node, and first node and the second section are interrupted in the instruction of the 6th information
Wireless connection between point.
The invention discloses a kind of methods in first node for supporting wireless communication, wherein includes the following steps:
Step A. sends the first information.The target receiver of the first information includes second node
Step B. receives the 4th information.The sender of 4th information is that the sender of second node or the 4th information is
Fourth node.
Wherein, first node and second node are user equipment respectively.The first information includes { access request, first community
Mark, the mark of second community, the mark of first node, the mark of second node } at least one of, the 4th information includes
At least one of { access response, mark of first node, the mark of second community }.First community is the service of second node
Cell, second community are the serving cells of first node, and first community is maintained by third node, and second community is tieed up by fourth node
It holds.The access response includes allowing to access or refuse access.
Spare1 or spare2 as one embodiment, in the access request packet EstablishmentCause.
As one embodiment, the access response includes rrc-TransactionIdentifier IE
(Information Element, information unit).
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. and third node-node transmission bag data, the bag data pass through the relaying of second node.
Wherein, the access response is to allow to access.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step E. establishes RRC with third node and connects.
As one embodiment, the step E includes the following steps:
Step E1. first node sends uplink synchronizing signals in first community, and timing adjustment is received in first community
Signaling and uplink scheduling signaling.
As one embodiment, the step E includes the following steps:
Step E2. sends bag data in the interface-free resources of first community, or connects in the interface-free resources of first community
Packet receiving data.
As one embodiment, the step E includes the following steps:
Step E2. receives RRCConnectionSetup message in the interface-free resources of first community.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step F. receives the RRCConnectionReconfiguration message sent by second community, described
RRCConnectionReconfiguration message includes mobilityControlInfo.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step G. sends the 6th information to second node.
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or during the 6th information indicates
Wireless connection between disconnected first node and second node.
The invention discloses a kind of methods in second node for supporting wireless communication, wherein including following { step A, step
Rapid B } at least step A:
Step A. receives the first information, sends the second information.The sender of the first information is first node, the second information
Target receiver include third node
Step B. receives third information, sends the 4th information.The sender of third information is third node, the 4th information
Target receiver include first node.
Wherein, first node and second node are user equipment respectively.The first information includes { access request, first community
Mark, the mark of second community, the mark of first node, the mark of second node } at least one of, the second information includes
At least one of { access request, the mark of first node, mark of second community }, third information include that { access is answered
Answer, the mark of first node, the mark of second community } at least one of, the 4th information include the access response, first
At least one of the mark of node, the mark of second community }.First community is the serving cell of second node, second community
It is the serving cell of first node, first community is maintained by third node, and second community is maintained by fourth node.The access is answered
It answers including allowing to access or refuse access.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. relays the bag data between first node and third node.
Wherein, the access response is to allow to access.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step G. receives the 6th information.The sender of 6th information is that the sender of first node or the 6th information is
Third node.
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or during the 6th information indicates
Wireless connection between disconnected first node and second node.
The invention discloses a kind of methods in third node for supporting wireless communication, wherein includes the following steps:
Step A. receives the second information.The sender of second information is second node
Step B. sends third information.The target receiver of third information includes the mesh of second node or third information
Marking recipient includes fourth node.
Wherein, the second information include { access request, the mark of first node, the mark of second community } at least it
One, first node and second node are user equipment respectively.Third information include access response, the mark of first node, second
At least one of the mark of cell }.First community is the serving cell of second node, and second community is the service of first node
Cell, first community are maintained by third node, and second community is maintained by fourth node.The access response include allow access or
Person refuses access.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. receives the 5th information, and the sender of the 5th information is fourth node.
Wherein, the 5th information includes { SN STATUS TRANSFER message (message), E-RAB parameter
(attributes), RRC context IE (Information Element, information unit), the bag data of caching are being sent out
At least one of the bag data sent }.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. passes through the relaying and first node transmission of packet data of second node.
Wherein, the access response is to allow to access.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step E. establishes RRC with first node and connects.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step G. sends the 6th information.The target receiver of 6th information includes second node.
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or during the 6th information indicates
Wireless connection between disconnected first node and second node.
The invention discloses a kind of methods in fourth node for supporting wireless communication, wherein includes the following steps:
Step C. sends the 5th information.The recipient of 5th information includes third node.
Step F. sends RRCConnectionReconfiguration message, described
RRCConnectionReconfiguration message includes mobilityControlInfo.It is described
The target receiver of RRCConnectionReconfiguration message includes first node.
Wherein, the 5th information includes { SN STATUS TRANSFER message (message), E-RAB parameter
(attributes), RRC context IE (Information Element, information unit), the bag data of caching are being sent out
At least one of the bag data sent }.First node is user equipment, and third node is the network equipment, and second community is first
The serving cell of node, second community are safeguarded by fourth node.
In traditional switching, above-mentioned steps C should occur after above-mentioned steps F, and in the present invention, step C occurs
Before above-mentioned steps F, because the 5th information can be used for first node to the relay transmission of third node.
As one embodiment, fourth node still maintains (before the step F) after the step C and first segment
The RRC connection of point.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps before the step C:
Step B. receives third information, sends the 4th information.The sender of third information is third node, the 4th information
Target receiver include first node.
Wherein, third information include in { access response, the mark of first node, the mark of second community } at least it
One, the 4th information includes at least one of { the access response, the mark of first node, mark of second community }.It is described
Access response includes allowing to access or refuse access.
The invention discloses a kind of equipment of first node for wireless communication, which is characterized in that the equipment includes such as
Lower module:
First module: for sending the first information.The target receiver of the first information includes second node
Second module: for receiving the 4th information.The sender of 4th information is the hair of second node or the 4th information
The person of sending is fourth node.
Wherein, first node and second node are user equipment respectively.The first information includes { access request, first community
Mark, the mark of second community, the mark of first node, the mark of second node } at least one of, the 4th information includes
At least one of { access response, mark of first node, the mark of second community }.First community is the service of second node
Cell, second community are the serving cells of first node, and first community is maintained by third node, and second community is tieed up by fourth node
It holds.The access response includes allowing to access or refuse access.
The invention discloses a kind of equipment of second node for wireless communication, which is characterized in that the equipment includes such as
Lower module:
First module: for receiving the first information, the second information is sent.The sender of the first information is first node, the
The target receiver of two information includes third node
Second module: for receiving third information, the 4th information is sent.The sender of third information is third node, the
The target receiver of four information includes first node.
Wherein, first node and second node are user equipment respectively.The first information includes { access request, first community
Mark, the mark of second community, the mark of first node, the mark of second node } at least one of, the second information includes
At least one of { access request, the mark of first node, mark of second community }, third information include that { access is answered
Answer, the mark of first node, the mark of second community } at least one of, the 4th information include the access response, first
At least one of the mark of node, the mark of second community }.First community is the serving cell of second node, second community
It is the serving cell of first node, first community is maintained by third node, and second community is maintained by fourth node.The access is answered
It answers including allowing to access or refuse access.
The invention discloses a kind of equipment of third node for wireless communication, which is characterized in that the equipment includes such as
Lower module:
First module: for receiving the second information.The sender of second information is second node
Second module: for sending third information.The target receiver of third information includes second node or third letter
The target receiver of breath includes fourth node.
Wherein, the second information include { access request, the mark of first node, the mark of second community } at least it
One, first node and second node are user equipment respectively.Third information include access response, the mark of first node, second
At least one of the mark of cell }.First community is the serving cell of second node, and second community is the service of first node
Cell, first community are maintained by third node, and second community is maintained by fourth node.The access response include allow access or
Person refuses access.
The invention discloses a kind of equipment of fourth node for wireless communication, which is characterized in that the equipment includes such as
Lower module:
First module: for sending the 5th information.The recipient of 5th information includes third node.
Second module: described for sending RRCConnectionReconfiguration message
RRCConnectionReconfiguration message includes mobilityControlInfo.It is described
The target receiver of RRCConnectionReconfiguration message includes first node.
Wherein, the 5th information includes { SN STATUS TRANSFER message (message), E-RAB parameter
(attributes), RRC context IE (Information Element, information unit), the bag data of caching are being sent out
At least one of the bag data sent }.First node is user equipment, and third node is the network equipment, and second community is first
The serving cell of node, second community are safeguarded by fourth node.
Compared to existing public technology, the present invention has following technical advantage:
- extends switching time, improves handover success rate, reduces cutting off rate.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows stream of the first node request according to an embodiment of the invention by relaying access third node
Cheng Tu；
Fig. 2 shows the relaying according to an embodiment of the invention by second node, first node and third section
Point carries out the flow chart of downlink information transmission；
Fig. 3 shows first node according to an embodiment of the invention and establishes the process that RRC is connected with third node
Figure；
Fig. 4 shows the stream that third node refusal first node according to an embodiment of the invention establishes RRC connection
Cheng Tu；
Fig. 5 shows the structural block diagram of the processing unit in first node according to an embodiment of the invention；
Fig. 6 shows the structural block diagram of the processing unit in second node according to an embodiment of the invention；
Fig. 7 shows the structural block diagram of the processing unit in third node according to an embodiment of the invention；
Fig. 8 shows the structural block diagram of the processing unit in fourth node according to an embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates first node request by the flow chart of relaying access third node, as shown in Fig. 1.It is attached
In Fig. 1, the step in box F1 occurs and the step in box F2 does not occur or step appearance and box F1 in box F2
In step do not occur.
ForFirst node, the first information is sent in step s 11, receives the 4th information in step s 12.
ForSecond node, the first information is received in the step s 21, the second information is sent in step S22, in step
Third information is received in S23, sends the 4th information in step s 24.
ForThird node, the second information is received in step S31, sends third information in step s 32.
ForFourth node, third information is received in step S41, and the 4th information is sent in step S42.
In embodiment 1, first node and second node are user equipment respectively.Third node and fourth node are net respectively
Network equipment.The first information include access request, the mark of first community, the mark of second community, the mark of first node, the
The mark of two nodes } at least one of, the second information include the access request, the mark of first node, second community
Mark } at least one of, third information include in { access response, the mark of first node, the mark of second community } extremely
One of few, the 4th information includes at least one of { the access response, the mark of first node, mark of second community }.
First community is the serving cell of second node, and second community is the serving cell of first node, and first community is by third node
It maintains, second community is maintained by fourth node.The access response includes allowing to access or refuse access.
As the sub- embodiment 1 of embodiment 1, the mark of first community and the mark of second community are first community respectively
The PCI of PCI (Physical Cell Identifier, physical cell identification) and second community.
As the sub- embodiment 2 of embodiment 1, the mark of first node is the RNTI that second community distributes to first node
(Radio Network Temporary Identifier, wireless network fix tentatively identity).
As the sub- embodiment 3 of embodiment 1, the mark of first node is InitialUE-Identity.
As the sub- embodiment 4 of embodiment 1, the mark of first node is the IMEI (International of first node
Mobile Equipment Identity, International Mobile Equipment Identity).
As the sub- embodiment 5 of embodiment 1, the mark of second node is allocated to the RNTI of second node.
As the sub- embodiment 6 of embodiment 1, the mark of second node is allocated to the terminal group identity of second node
(Group destination ID explains in detail the 5.4.3.1.1 section with reference to TS36.212).
As the sub- embodiment 7 of embodiment 1, the access request is by spare1 reserved in EstablishmentCause
State or spare2 state instruction.
As the sub- embodiment 8 of embodiment 1, the access request instruction first node passes through relaying access.
As the sub- embodiment 9 of embodiment 1, the first information includes { access request, the mark of second community, first node
Mark.
As the sub- embodiment 10 of embodiment 1, the second information include the access request, the mark of first node, second
The mark of cell }.
Embodiment 2
Embodiment 2 illustrates the relaying by second node, and the first community that first node and third node maintain carries out
The flow chart of downlink information transmission, as shown in Fig. 2.Wherein, the step in box F3 is optional step.
ForFirst node, the receiver packet number evidence in step S111, maintenance and second community are (by the 4th in step s 110
Node maintenance) RRC connection.
ForSecond node, (first receive and forward again) bag data is relayed in step S121.
ForThird node, the 5th information is received in step S131, sends bag data in step S132.
ForFourth node, the 5th information is sent in step s 141, and second community and first is maintained in step S140
The RRC connection of node.
In embodiment 2, the 5th information includes { SN STATUS TRANSFER message (message), E-RAB parameter
(attributes), RRC context IE (Information Element, information unit), the bag data of caching are being sent out
At least one of the bag data sent }.
As the sub- embodiment 1 of embodiment 2, the bag data include in { data face data controls face data } at least
One of.
As the sub- embodiment 2 of embodiment 2, for first node, the maintenance RRC connection includes { receiving down-going synchronous
At least one of signal sends uplink synchronizing signals, receives downlink bag data, sends uplink bag data }.For Section four
Point, the maintenance RRC connection include { sending downlink synchronous signal, receiving uplink synchronizing signals, send downlink bag data, receive
At least one of uplink bag data }.
Embodiment 3
Embodiment 3 illustrates first node and establishes the flow chart that RRC is connected with third node, as shown in Fig. 3.Wherein side
Step in frame F4 and box F5 is optional respectively.
For fourth node, RRCConnectionReconfiguration message is sent in step S240.
For first node, RRCConnectionReconfiguration message is received in step S210, in step
RRCConnectionRequest message is sent in S211, and RRCConnectionSetup message is received in step S212,
RRCConnectionComplete message is sent in step S213.
For third node, RRCConnectionRequest message is received in step S231, is sent out in step S232
RRCConnectionSetup message is sent, RRCConnectionComplete message is received in step S233.
In embodiment 3, the RRCConnectionReconfiguration message includes
TargetPhysCellId in mobilityControlInfo, the mobilityControlInfo is first community
PCI, first community are the serving cells of second node, and first community has third node maintenance.
As the sub- embodiment 1 of embodiment 3, third node sends the 6th information in step S234, and second node is in step
The 6th information is received in rapid S221, is sent in step S222 and interrupts signaling.First node receives interruption letter in step S214
It enables.Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or the 6th information instruction interruption the
Wireless connection between one node and second node.The interruption signaling discharges second node to the wireless connection of first node.
As described one embodiment for interrupting signaling, the interruption signaling includes (in RRCConnectionRelease message)
ReleaseCause IE, the ReleaseCause IE interrupted in signaling are configured to other or spare1.
As the sub- embodiment 2 of embodiment 3, for first node, the nothing with second node is maintained before step S214
Line connection.For second node, the wireless connection with first node is maintained before step S222.The nothing of maintenance and given node
Line connection includes { remaining synchronous with given node, receiving the wireless signal from given node, send nothing for given node
At least one of line signal }.
Embodiment 4
Embodiment 4 illustrates the flow chart that third node refusal first node establishes RRC connection, as shown in Fig. 4.
First node sends RRCConnectionRequest message in step S311, receives in step S312
RRCConnectionReject message sends uplink bag data in step S313.
Third node receives RRCConnectionRequest message in step S331, sends in step S332
RRCConnectionReject message receives uplink bag data in step S333.
Second node receives in step S321 and forwards uplink bag data.
As the sub- embodiment 1 of embodiment 4, first node and second node remain wireless connection in example 4.
Even if third node refuses first node about the request for establishing RRC connection, third node and first node can also be by the
The relaying of two nodes is kept in touch, and call drop is avoided.
Embodiment 5
Embodiment 5 illustrates the structural block diagram of the processing unit in first node, as shown in Fig. 5.In attached drawing 5, processing
Device 100 is mainly made of sending module 101 and receiving module 102.
Sending module 101 is for sending the first information.The target receiver of the first information includes second node
Receiving module 102 is for receiving the 4th information.The sender of 4th information is second node or the 4th information
Sender is fourth node.
In embodiment 5, first node and second node are user equipment respectively.The first information include access request, first
At least one of the mark of cell, the mark of second community, the mark of first node, the mark of second node }, the 4th information
Including at least one of { access response, mark of first node, the mark of second community }.First community is second node
Serving cell, second community are the serving cells of first node, and first community is maintained by third node, and second community is by Section four
Point maintains.The access response includes allowing to access or refuse access.
As the sub- embodiment 1 of embodiment 5, the target receiver of the first information meets at least one of:
The mark of the target receiver of-first information is used for the scrambling code of the corresponding binary bits of the first information
The mark of the target receiver of-first information is used for the demodulation RS of the corresponding physical layer channel of the first information
The generation of (Reference Signal, reference signal) sequence
The mark of target receiver in the corresponding physical layer scheduling signaling of-first information including the first information, or packet
Include the mark of terminal group belonging to the target receiver of the first information (Group destination ID)
The sending time of-the first information is the timing determination of target receiver according to the first information.
As the sub- embodiment 2 of embodiment 5, sending module 101 be also used to send RRCConnectionRequest,
RRCConnectionComplete } message, receiving module 102 is also used to receive RRCConnectionSetup message.
As the sub- embodiment 3 of embodiment 5, sending module 101 is also used to send the 6th information to second node.Wherein,
6th information indicate first node and third node have built up RRC connect or the instruction of the 6th information interrupt first node with
Wireless connection between second node.
As the sub- embodiment 4 of embodiment 5, receiving module 102 is also used to receive and be sent out by second node or third node
The 6th information sent, wherein the 6th information indicates that first node and third node have built up RRC and connect or the 6th information
It indicates to interrupt the wireless connection between first node and second node.
Embodiment 6
Embodiment 6 illustrates the structural block diagram of the processing unit in second node, as shown in Fig. 6.In attached drawing 6, processing
Device 200 is mainly made of receiving module 201 and sending module 202.
Receiving module 201 is for receiving the first information and receiving third information.Sending module 202 is for sending the second information
With the 4th information of transmission.
The sender of the first information is first node, and the target receiver of the second information includes third node.Third information
Sender be third node, the target receiver of the 4th information includes first node.
In embodiment 6, first node and second node are user equipment respectively.The first information include access request, first
At least one of the mark of cell, the mark of second community, the mark of first node, the mark of second node }, the second information
Including at least one of { access request, the mark of first node, mark of second community }, third information includes { connecing
Enter response, the mark of first node, the mark of second community } at least one of, the 4th information include the access response,
At least one of the mark of first node, the mark of second community }.First community is the serving cell of second node, second
Cell is the serving cell of first node, and first community is maintained by third node, and second community is maintained by fourth node.It is described to connect
Entering response includes allowing to access or refuse access.
As the sub- embodiment 1 of embodiment 6, receiving module 201 is also used to receive the packet number of first node and third node
According to.Wherein, the access response is to allow to access.
As the sub- embodiment 2 of embodiment 6, sending module 202 is also used to forward the institute in the sub- embodiment 1 of embodiment 6
State bag data.
Embodiment 7
Embodiment 7 illustrates the structural block diagram of the processing unit in third node, as shown in Fig. 7.In attached drawing 7, processing
Device 300 is mainly made of receiving module 301 and sending module 302.
Receiving module 301 is for receiving the second information.The sender of second information is second node
Sending module 302 is for sending third information.The target receiver of third information includes second node or third
The target receiver of information includes fourth node.
In embodiment 7, the second information include { access request, the mark of first node, the mark of second community } in extremely
One of few, first node and second node are user equipment respectively.Third information include access response, the mark of first node,
At least one of the mark of second community }.First community is the serving cell of second node, and second community is first node
Serving cell, first community are maintained by third node, and second community is maintained by fourth node.The access response includes allowing to connect
Enter or refuse access.
As the sub- embodiment 1 of embodiment 7, receiving module 301 is also used to receive the 5th information, the 5th letter by X2 interface
The sender of breath is fourth node.Wherein, the 5th information includes { SN STATUS TRANSFER message, E-RAB parameter, RRC
At least one of context IE, the bag data of caching, the bag data sent }.
As the sub- embodiment 2 of embodiment 7, it is that receiving module 301, which is also used to receive by the information source of second node relaying,
The bag data of one node.Wherein, the access response is to allow to access.
As the sub- embodiment 3 of embodiment 7, it is that sending module 302, which is also used to send by the stay of two nights of second node relaying,
The bag data of one node.Wherein, the access response is to allow to access.
As the sub- embodiment 3 of embodiment 7, sending module 302 is also used to send the 6th information.The target of 6th information connects
Receipts person includes at least one of { first node, second node }.Wherein, the 6th information has indicated first node and third node
The wireless connection being set up between RRC connection or the 6th information instruction interruption first node and second node.
Embodiment 8
Embodiment 8 illustrates the structural block diagram of the processing unit in fourth node, as shown in Fig. 8.In attached drawing 8, processing
Device 400 is mainly made of receiving module 401 and sending module 402.
Receiving module 401 is for receiving third information.Sending module 402 for send the 4th information, the 5th information and
RRCConnectionReconfiguration message.
In embodiment 8, the sender of third information is third node, and the target receiver of the 4th information includes first segment
Point.The recipient of 5th information includes third node.Third information includes { access response, the mark of first node, second community
Mark at least one of, the 4th information include { the access response, the mark of first node, the mark of second community }
At least one of.The access response includes allowing to access or refuse access.It is described
RRCConnectionReconfiguration message includes mobilityControlInfo.It is described
The target receiver of RRCConnectionReconfiguration message includes first node.5th information includes { SN
STATUS TRANSFER message, E-RAB parameter, RRC context IE, the bag data of caching, the bag data sent } in
At least one of.First node is user equipment, and third node is the network equipment, and second community is that the service of first node is small
Area, second community are safeguarded by fourth node.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.User equipment (UE, User in the present invention
Equipment) or terminal includes but is not limited to mobile phone, and vehicular communication equipment, tablet computer, notebook, card of surfing Internet etc. is wireless
Communication equipment.The network equipment or base station in the present invention include but is not limited to RSU, macrocell base stations, microcell base station, family
Base station, the wireless telecom equipments such as relay base station.The embodiment of the present invention is mainly based upon LTE system, however of the invention is applicable in
Range further include (but being not limited to) arbitrarily support digital modulation wireless communication system (such as 3G, Wifi, Wimax, it is following
5G communication system etc.).
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (22)
1. a kind of method in wireless communication, wherein include the following steps:
Step A. first node sends the first information to second node, and second node sends the second information to third node；
Step B. third node sends third information to second node, and second node sends the 4th information to first node；Or
Third node sends third information to fourth node, and fourth node sends the 4th information to first node；
Wherein, first node and second node are user equipment respectively；The first information includes { access request, the mark of first community
At least one of know, the mark of second community, the mark of first node, the mark of second node, the second information includes { institute
State access request, the mark of first node, the mark of second community } at least one of, third information include access response,
At least one of the mark of first node, the mark of second community }, the 4th information includes { the access response, first node
Mark, the mark of second community } at least one of；First community is the serving cell of second node, and second community is
The serving cell of one node, first community are maintained by third node, and second community is maintained by fourth node；The access response bag
Including allows to access or refuse access.
2. the method according to claim 1, wherein further including following steps:
Step C. fourth node sends the 5th information and gives third node；
Wherein, third node sends third information to fourth node, and fourth node sends the 4th information to first node；5th letter
Breath includes that { SN STATUS TRANSFER message, E-RAB parameter, RRC context IE, the bag data of caching are being sent
Bag data at least one of.
3. the method according to claim 1, wherein further including following steps:
Step D. passes through the relaying of second node, transmission of packet data (Packet Data) between first node and third node；
Wherein, the access response is to allow to access.
4. according to claim 1 to method described in any claim in 3, which is characterized in that further include following steps:
Step E. first node is established RRC with third node and is connected.
5. according to claim 1 to method described in any claim in 3, which is characterized in that further include following steps:
Step F. first node receives the RRCConnectionReconfiguration message sent by second community, described
RRCConnectionReconfiguration message includes mobilityControlInfo.
6. method according to claim 1 or 3, which is characterized in that further include following steps:
Step G. first node sends the 6th information and sends the 6th information to second node to second node or third node；
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or the 6th information instruction interruption the
Wireless connection between one node and second node.
7. a kind of method in first node for supporting wireless communication, wherein include the following steps:
Step A. sends the first information；The target receiver of the first information includes second node
Step B. receives the 4th information；The sender of 4th information is that the sender of second node or the 4th information is the 4th
Node；
Wherein, first node and second node are user equipment respectively；The first information includes { access request, the mark of first community
At least one of know, the mark of second community, the mark of first node, the mark of second node, the 4th information includes { connecing
At least one of enter response, the mark of first node, the mark of second community }；First community is that the service of second node is small
Area, second community are the serving cells of first node, and first community is maintained by third node, and second community is tieed up by fourth node
It holds；The access response includes allowing to access or refuse access.
8. the method according to the description of claim 7 is characterized in that further including following steps:
Step D. and third node-node transmission bag data, the bag data pass through the relaying of second node；
Wherein, the access response is to allow to access.
9. method according to claim 7 or 8, which is characterized in that further include following steps:
Step E. establishes RRC with third node and connects.
10. the method according to any claim in claim 7 or 8, which is characterized in that further include following steps:
Step F. receives the RRCConnectionReconfiguration message sent by second community, described
RRCConnectionReconfiguration message includes mobilityControlInfo.
11. method according to claim 7 or 8, which is characterized in that further include following steps:
Step G. sends the 6th information to second node；
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or the 6th information instruction interruption the
Wireless connection between one node and second node.
12. a kind of method in second node for supporting wireless communication, wherein including in following { step A, step B } at least
Step A:
Step A. receives the first information, sends the second information；The sender of the first information is first node, the mesh of the second information
Marking recipient includes third node；
Step B. receives third information, sends the 4th information；The sender of third information is third node, the mesh of the 4th information
Marking recipient includes first node；
Wherein, first node and second node are user equipment respectively；The first information includes { access request, the mark of first community
At least one of know, the mark of second community, the mark of first node, the mark of second node, the second information includes { institute
State access request, the mark of first node, the mark of second community } at least one of, third information include access response,
At least one of the mark of first node, the mark of second community }, the 4th information includes { the access response, first node
Mark, the mark of second community } at least one of；First community is the serving cell of second node, and second community is
The serving cell of one node, first community are maintained by third node, and second community is maintained by fourth node；The access response bag
Including allows to access or refuse access.
13. according to the method for claim 12, which is characterized in that further include following steps:
Step D. relays the bag data between first node and third node；
Wherein, the access response is to allow to access.
14. according to the method for claim 12, which is characterized in that further include following steps:
Step G. receives the 6th information；The sender of 6th information is that the sender of first node or the 6th information is third
Node；
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or the 6th information instruction interruption the
Wireless connection between one node and second node.
15. a kind of method in third node for supporting wireless communication, wherein include the following steps:
Step A. receives the second information；The sender of second information is second node；
Step B. sends third information；The target receiver of third information includes that the target of second node or third information connects
Receipts person includes fourth node；
Wherein, the second information includes at least one of { access request, the mark of first node, mark of second community }, the
One node and second node are user equipment respectively；Third information includes { access response, the mark of first node, second community
Mark at least one of；First community is the serving cell of second node, and second community is that the service of first node is small
Area, first community are maintained by third node, and second community is maintained by fourth node；The access response include allow access or
Refusal access.
16. according to the method for claim 15, which is characterized in that further include following steps:
Step C. receives the 5th information, and the sender of the 5th information is fourth node；
Wherein, third node sends third information to fourth node, and fourth node sends the 4th information to first node；5th letter
Breath includes that { SN STATUS TRANSFER message, E-RAB parameter, RRC context IE, the bag data of caching are being sent
Bag data at least one of.
17. according to the method for claim 15, which is characterized in that further include following steps:
Step D. passes through the relaying and first node transmission of packet data of second node；
Wherein, the access response is to allow to access.
18. method described in any claim in 5 to 17 according to claim 1, which is characterized in that further include following steps:
Step E. establishes RRC with first node and connects.
19. method described in 5 or 17 according to claim 1, which is characterized in that further include following steps:
Step G. sends the 6th information；The target receiver of 6th information includes second node；
Wherein, the instruction of the 6th information first node and third node have built up RRC and connects or the 6th information instruction interruption the
Wireless connection between one node and second node.
20. a kind of equipment of the first node for wireless communication, which is characterized in that the equipment includes following module:
First module: for sending the first information；The target receiver of the first information includes second node；
Second module: for receiving the 4th information；The sender of 4th information is the sender of second node or the 4th information
It is fourth node；
Wherein, first node and second node are user equipment respectively；The first information includes { access request, the mark of first community
At least one of know, the mark of second community, the mark of first node, the mark of second node, the 4th information includes { connecing
At least one of enter response, the mark of first node, the mark of second community }；First community is that the service of second node is small
Area, second community are the serving cells of first node, and first community is maintained by third node, and second community is tieed up by fourth node
It holds；The access response includes allowing to access or refuse access.
21. a kind of equipment of the second node for wireless communication, which is characterized in that the equipment includes following module:
First module: for receiving the first information, the second information is sent；The sender of the first information is first node, the second letter
The target receiver of breath includes third node；
Second module: for receiving third information, the 4th information is sent；The sender of third information is third node, the 4th letter
The target receiver of breath includes first node；
Wherein, first node and second node are user equipment respectively；The first information includes { access request, the mark of first community
At least one of know, the mark of second community, the mark of first node, the mark of second node, the second information includes { institute
State access request, the mark of first node, the mark of second community } at least one of, third information include access response,
At least one of the mark of first node, the mark of second community }, the 4th information includes { the access response, first node
Mark, the mark of second community } at least one of；First community is the serving cell of second node, and second community is
The serving cell of one node, first community are maintained by third node, and second community is maintained by fourth node；The access response bag
Including allows to access or refuse access.
22. a kind of equipment of the third node for wireless communication, which is characterized in that the equipment includes following module:
First module: for receiving the second information；The sender of second information is second node；
Second module: for sending third information；The target receiver of third information includes second node or third information
Target receiver includes fourth node；
Wherein, the second information includes at least one of { access request, the mark of first node, mark of second community }, the
One node and second node are user equipment respectively；Third information includes { access response, the mark of first node, second community
Mark at least one of；First community is the serving cell of second node, and second community is that the service of first node is small
Area, first community are maintained by third node, and second community is maintained by fourth node；The access response include allow access or
Refusal access.
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| CN108512628A (en) * | 2017-02-24 | 2018-09-07 | 上海朗帛通信技术有限公司 | A kind of method and apparatus for higher layer transmission being used in base station, UE |
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| CN110505673A (en) | 2019-11-26 |
| CN110505673B (en) | 2021-11-30 |
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