CN103354653B - A kind of changing method of LTE-Advanced mobile relay - Google Patents
A kind of changing method of LTE-Advanced mobile relay Download PDFInfo
- Publication number
- CN103354653B CN103354653B CN201310301717.5A CN201310301717A CN103354653B CN 103354653 B CN103354653 B CN 103354653B CN 201310301717 A CN201310301717 A CN 201310301717A CN 103354653 B CN103354653 B CN 103354653B
- Authority
- CN
- China
- Prior art keywords
- enodeb
- target
- source
- switch
- enodeb1
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses LTE-Advanced mobile relay changing method: 1. MR_eNode B1 and UE be Timing measurement eNode respectively B and MR_UE community; 2. judge whether to need to switch according to measurement result; If back haul link and access link all do not need to switch, then terminate; If back haul link needs to switch, access link does not need to switch, then perform 3. 4. 5. 6.; If back haul link does not need to switch, access link needs to switch, then perform 7. 8. 9. 10.; If back haul link and access link all need to switch, then perform successively in order; 3. target eNode is determined B request before completing switching and confirmation; 4. MR_eNode B1 and target eNode B connects; 5. MR_eNode B2 and target eNode B connects; Target eNode B distributes backhaul link resource; 6. target eNode B upgrades MME and S-GW; 7. determine target MR_UE and complete to switch front preparation; Do you judge that source MR_UE and target MR_UE belongs to same eNode B; Then perform to 9. terminating; 8. UE prepares before completing and switching; 9. UE and target MR_UE connects; 10. target MR_UE upgrades MME and S-GW.
Description
Technical field
The invention belongs to mobile communication technology field, particularly a kind of changing method of LTE-Advanced mobile relay.
Background technology
LTE-Advanced is the evolution version of LTE, requires that, under 100MHz bandwidth, descending peak rate reaches 1Gbps, uply reaches 500Mbps.Because LTE-Advanced uses the higher resource of frequency range, the problem such as cause coverage to diminish and attenuation loss is serious.Adopt the method increasing base station density to solve the problems referred to above if simple, can the increase of cost be brought to operator and dispose the rising of difficulty.For this reason, 3GPP introduces relaying (relay) technology in LTE-A.After introducing via node (RN, relaynode), replace with back haul link (BackhaulLink) and access link (AccessLink) link (DirectLink) that direct transfers between subscriber equipment (UE) and base station (eNodeB), as shown in Figure 1.
In the research of current relaying technique, great majority also rest on scene that is fixing or static relaying.Along with the universal development of public transport, people wish the communication service that can obtain two-forty in the vehicles of high-speed motion, and this just facilitates the development of mobile relay technology.In mobile-relay system, between relaying and eNodeB, there is strong mobility, switch frequent between relaying and eNodeB; And between UE and relaying, being geo-stationary or weak mobility, the switching between UE and relaying is less.Therefore, the switching between UE and eNodeB can be categorized into three kinds of situations, and the first is the switching between the relaying and eNodeB of back haul link; The second is the switching between the UE and relaying of access link; The third is that back haul link and access link AccessLink switch (namely two-stage switches) simultaneously.The research switched for mobile relay at present seldom and main research the first switch.Such as, Chinese Patent Application No. 201110293416.3 proposes a kind of switched system of the LTE communication system towards high-speed railway, in this technical scheme, switches if need, control headstock antenna by vehicle-mounted relay station and access target BS, tailstock antenna keeps being connected with source base station simultaneously; When tailstock antenna meets switching condition, the resource of being applied in target BS according to headstock antenna by vehicle-mounted relay station, controls tailstock antenna access target BS.And for example, Chinese Patent Application No. 201210367341.3 proposes a kind of switched system and the method for LTE-Advanced mobile relay and eNodeB.At present also not about the report that the aforementioned the second of research switches and the third switches.For this reason, the present invention proposes a kind of methods comprising above-mentioned three kinds of switchings for LTE-Advanced mobile relay.
Summary of the invention
The invention provides a kind of changing method of LTE-Advanced mobile relay, it can ensure that mobile relay and user carry out orderly switching at BackhaulLink and AccessLink.
According to the function of relaying, mobile relay logically can be resolved into two unit: one is the unit communicated with eNodeB, is designated as MR_eNodeB; Another is the unit communicated with UE, is designated as MR_UE.For simplifying the complexity of channel resource allocation when relaying moves, BackhaulLink and AccessLink of LTE-Advanced mobile-relay system adopts the method for the outer relaying of band, and namely the channel resource allocation of two links is separate.
MR_eNodeB unit in the present invention comprises MR_eNodeB1 and MR_eNodeB2 two subelements.MR_eNodeB1 and MR_eNodeB2 is for the data communication between mobile relay and eNodeB.Wherein, MR_eNodeB1 is also responsible for measuring mobile relay and adjacent cell eNodeB channel quality status, reports the information such as mobile relay subordinate UE group to eNodeB.MR_UE unit is for completing mobile relay to the Resourse Distribute of subordinate UE and Information Statistics.
The present invention takes following technical scheme: a kind of changing method of LTE-Advanced mobile relay, and it carries out as follows:
1. MR_eNodeB1 timing (time length can be arranged as the case may be) of mobile relay measures current eNodeB community (source eNodeB) and adjacent eNodeB community, and measurement report is reported source eNodeB.Measurement report comprises the signal strength signal intensity of current eNodeB community and the signal strength signal intensity etc. of adjacent eNodeB community.
Meanwhile, UE timing (time length can be arranged as the case may be) measures current MR_UE community (source MR_UE) and adjacent MR_UE community, and measurement report is reported source MR_UE.Measurement report comprises the signal strength signal intensity of current MR_UE community and the signal strength signal intensity etc. of adjacent MR_UE community.
2. according to the measurement result of back haul link and access link, MR_eNodeB1 and MR_UE of mobile relay judges that whether the signal strength signal intensity of current area in measurement report is lower than the threshold value preset respectively.If lower than threshold value, then need to switch; If higher than threshold value, then do not need to switch.Court verdict is divided into four classes: (a) back haul link and access link all do not need to switch; B () back haul link needs to switch, access link does not need to switch; C () back haul link does not need to switch, access link needs to switch; D () back haul link and access link all need to switch.
Attention: if be judged as situation a, then directly terminate; If be judged as situation b, then perform step 3. 4. 5. 6., then terminate; If be judged as situation c, then omit step 3. 4. 5. 6., performs step 7. 8. 9. 10., then terminate; If be judged as situation d, then perform successively in order.
3. source eNodeB is according to the resource situation of neighbor cell in back haul link measurement report, and channel quality etc. determine target eNode B.Source eNodeB sends handover request to target eNode B, target eNode B call access control, and sends Handover Request Acknowledge to source eNodeB.
4. source eNodeB sends " allow switch " message to MR_eNodeB1, MR_eNodeB1 start to set up with target eNode B synchronous, apply for resource reservation, target eNode B is to MR_eNodeB1 transmission regularly.
5., after connecting between target eNode B and MR_eNodeB1, all information of target eNode B (comprising the information such as synchronous, resource reservation) are transmitted to MR_eNodeB2 by MR_eNodeB1.MR_eNodeB2 disconnects with the connection of source eNodeB and utilizes acquired information to be switched to target eNode B fast.Then the backhaul link resource of target eNode B to itself and MR_eNodeB1, MR_eNodeB2 is carried out reasonable distribution and notifies MR_UE.
6. MR_UE is by MR_eNodeB1 and target eNode B, and UE group information is reported MME; Target eNode B is to MME transmit path convert requests; MME is to S-GW(gateway) send user face update request; S-GW returns user face update request to MME and confirms.MME confirms to target eNode return path convert requests; Target eNode B sends releasing resource signaling to source eNodeB, source eNodeB releasing resource.Now back haul link handoff procedure completes.
7. source MR_UE is according to the resource situation of neighbor cell in access link measurement report, and channel quality etc. determine target MR_UE.Meanwhile, judge whether target MR_UE and source MR_UE belongs to same eNodeB.If do not belong to same eNodeB(source eNodeB), then perform in order to 10. terminating; Otherwise perform in order to 9. terminating.
Source MR_UE sends handover request to target MR_UE, target MR_UE call access control, and sends Handover Request Acknowledge to source MR_UE.
8. source MR_UE sends " allow switch " message to UE, UE start to set up with target MR_UE synchronous, apply for resource reservation, target MR_UE is to UE transmission regularly.Meanwhile, target MR_UE notifies that eNodeB associated with it reserves backhaul link resource.
9. after UE and target MR_UE connects, notification source MR_UE releasing resource.Meanwhile, eNodeB associated with it is that the UE of new access distributes backhaul link resource.
10. target MR_UE and source MR_UE is not belonged to the situation of same eNodeB, target MR_UE also needs the eNodeB by being connected to the MME(MobilityManagementEntity mobile management entity of system update UE) and SGW.
The advantage of technical solution of the present invention is adopted to be:
(1) for mobile-relay system, the changing method comprising the complete mobile-relay system that two-stage switches is proposed.
(2) when back haul link and access link need to switch simultaneously, preferentially carry out the switching of back haul link, two-stage can be avoided to switch the penalty simultaneously caused.
(3) object relay and source relaying are belonged to the access link switching of same eNodeB, simplify switch step, shorten UE switching time.
Accompanying drawing explanation
Fig. 1 is the structure chart of the LTE-Advanced system after increasing via node.
Fig. 2 is an application scenarios schematic diagram of mobile relay.
Fig. 3 is the signaling process figure of mobile relay changing method.
Fig. 4 is the flow chart of mobile relay changing method.
Fig. 5 is a kind of block diagram of mobile relay switched system.
Concrete case study on implementation
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
According to content of the present invention, choose at this scene that two-stage switches (back haul link and access link switch simultaneously), can delete two-stage switching flow for single back haul link or access link switching and obtain.
In mobile relay application scenarios as shown in Figure 2, certain vehicle is provided with 3 mobile relays, is designated MR1, MR2 and MR3 respectively, separate between mobile relay.MR2 and MR3 on this vehicle of current time is positioned at the coverage of base station eNodeB 2, and MR1 is positioned at the coverage of base station eNodeB 1.Now MR2 be positioned at base station eNodeB 2 edge prepare switch to base station eNodeB 1, mark in UE(Fig. 2 under MR2) move in the coverage of MR3.
Analysis scene is known, and now mobile relay MR2 and UE needs to switch (namely two-stage switches) simultaneously.According to content of the present invention, the order that two-stage switches is: be first that MR2 is switched to base station eNodeB 1 from base station eNodeB 2 on back haul link, the UE then under MR2 is switched to MR3 from MR2.Notice that now MR2 and MR3 is in the coverage of base station eNodeB 1 and eNodeB2 respectively, namely UE switches between two mobile relays under different base station community.This is the most complicated two-stage handoff scenario.
According to above-mentioned scene, Fig. 3 gives the signaling process figure that LTE-Advanced mobile-relay system two-stage switches.See the changing method of Fig. 4, LTE-Advanced mobile relay, concrete steps are as follows:
1. the MR_eNodeB1(of mobile relay MR2 is denoted as MR2_eNodeB1) regularly current eNodeB community (source eNodeB is eNodeB2) and adjacent eNodeB community (eNodeB1) are measured, and measurement report is reported source eNodeB(eNodeB2).Measurement report comprises the signal strength signal intensity of current eNodeB community (eNodeB2) and the signal strength signal intensity etc. of adjacent eNodeB community (eNodeB1).
Meanwhile, certain UE timing is measured current MR_UE community (source MR_UE is MR2_UE) and adjacent MR_UE community (MR1_UE and MR3_UE), and measurement report is reported source MR_UE(MR2_UE).Measurement report comprises the signal strength signal intensity of current MR_UE community (MR2_UE) and the signal strength signal intensity etc. of adjacent MR_UE community (MR1_UE and MR3_UE).
2. according to the measurement result of back haul link and access link, MR2_eNodeB1 and MR2_UE of mobile relay MR2 judges that whether the signal strength signal intensity of current area in measurement report is lower than the threshold value preset respectively.If lower than threshold value, then need to switch; If higher than threshold value, then do not need to switch.Court verdict is now divided into the 4th class (d), and namely back haul link and access link all need to switch.
3. source eNodeB(eNodeB2) according to the resource situation of neighbor cell in back haul link measurement report, channel quality etc. determine target eNode B (eNodeB1).Source eNodeB(eNodeB2) send handover request to target eNode B (eNodeB1), target eNode B (eNodeB1) call access control, and to source eNodeB(eNodeB2) send Handover Request Acknowledge.
4. source eNodeB(eNodeB2) send " allowing to switch " message to MR2_eNodeB1, MR2_eNodeB1 start to set up with target eNode B (eNodeB1) synchronous, apply for resource reservation, target eNode B (eNodeB1) sends timing to MR2_eNodeB1.
5., after connecting between target eNode B (eNodeB1) and MR2_eNodeB1, all information of target eNode B (eNodeB1) (comprising the information such as synchronous, resource reservation) are transmitted to MR2_eNodeB2 by MR2_eNodeB1.MR2_eNodeB2 disconnects with the connection of source eNodeB and utilizes acquired information to be switched to target eNode B (eNodeB1) fast.Then target eNode B (eNodeB1) carries out to itself and the backhaul link resource of MR2_eNodeB1, MR2_eNodeB2 the MR2_UE that reasonable sub-argument notifying is associated.
6. the MR2_UE be associated, by MR2_eNodeB1 and target eNode B (eNodeB1), reports MME UE group information; Target eNode B (eNodeB1) is to MME transmit path convert requests; MME is to S-GW(gateway) send user face update request; S-GW returns user face update request to MME and confirms.MME confirms to target eNode (eNodeB1) return path convert requests; Target eNode B (eNodeB1) is to source eNodeB(eNodeB2) send releasing resource signaling, source eNodeB(eNodeB2) releasing resource.Now back haul link handoff procedure completes.
7. source MR_UE(MR2_UE) according to the resource situation of neighbor cell in access link measurement report, channel quality etc. determine target MR_UE(MR3_UE).Meanwhile, target MR_UE(MR3_UE is judged) and source MR_UE(MR2_UE) whether belong to same eNodeB.Now, source MR_UE(MR2_UE) belong to eNodeB1 and target MR_UE(MR3_UE) and belonging to eNodeB2, both do not belong to same eNodeB.
Source MR_UE(MR2_UE) to target MR_UE(MR3_UE) send handover request, target MR_UE(MR3_UE) call access control, and to source MR_UE(MR2_UE) send Handover Request Acknowledge.
8. source MR_UE(MR2_UE) send " allow switch " message to this UE, this UE starts and target MR_UE(MR3_UE) sets up synchronous, apply for resource reservation, target MR_UE(MR3_UE) to this UE transmission regularly.Meanwhile, target MR_UE(MR3_UE) notify eNodeB(eNodeB2 associated with it) reserved backhaul link resource.
9. this UE and target MR_UE(MR3_UE) connect after, notification source MR_UE(MR2_UE) releasing resource.Meanwhile, eNodeB(eNodeB2 associated with it) be that the new UE accessed distributes backhaul link resource.
10. target MR_UE(MR3_UE) eNodeB(eNodeB2 by being associated) to MME and SGW of system update UE.
As shown in Figure 5, the invention also discloses a kind of switched system of LTE-Advanced mobile relay, comprise back haul link Timing measurement module, access link user Timing measurement module, classification switch decision module, back haul link handover module and access link handover module.
Back haul link Timing measurement module: for the channel quality of mobile relay Timing measurement current eNodeB community (source eNodeB) and adjacent eNodeB community.The MR_eNodeB1 Timing measurement of mobile relay itself and current eNodeB(source eNodeB) and the channel quality of adjacent eNodeB, and measurement result is reported source eNodeB.
Access link Timing measurement module: for the channel quality of UE Timing measurement current MR_UE community (source MR_UE) and adjacent MR_UE community.The channel quality of UE Timing measurement itself and current MR_UE community (source MR_UE) and adjacent MR_UE community, and measurement result is reported source mobile relay.
Classification switch decision module: need to carry out which kind of classification switching for mobile relay judgement.Which classification switching mobile relay carries out according to the measurement result judgement of back haul link and access link: (a) back haul link and access link all do not need to switch; B () back haul link needs to switch, access link does not need to switch; C () back haul link does not need to switch, access link needs to switch; D () back haul link and access link all need to switch.
Attention: if be judged as situation a, then no longer perform any module; If be judged as situation b, then only perform back haul link handover module; If be judged as situation c, then only perform access link handover module; If be judged as situation d, then perform access link handover module after first performing back haul link handover module in order.
Back haul link handover module: be switched to target eNode B from source eNodeB for mobile relay.First by MR_eNodeB1 and target eNode B set up synchronous, apply for reserved resource, timing and connect, be then transmitted to MR_eNodeB2 by with the target eNode B information used that connects.MR_eNodeB2 disconnects with source eNodeB after receiving relevant information at once, is switched to target eNode B fast.
Access link handover module: be switched to target MR_UE from source MR_UE for UE.UE judges whether target MR_UE and source MR_UE belongs to same eNodeB.If so, then UE is directly switched to target MR_UE from source MR_UE; Otherwise, after UE is switched to target MR_UE from source MR_UE, also need to upgrade MME and SGW.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and not as limitation of the invention, as long as within the scope of the invention, all will drop on protection scope of the present invention to the change of above embodiment, distortion.
Claims (4)
1. a changing method for LTE-Advanced mobile relay, it carries out as follows:
1. the MR_eNodeB1 timing of mobile relay is measured current eNodeB community and adjacent eNodeB community, and measurement report is reported source eNodeB;
Meanwhile, UE timing is measured current MR_UE community and adjacent MR_UE community, and measurement report is reported source MR_UE; MR_UE is for completing the Resourse Distribute of mobile relay to subordinate UE and the unit of Information Statistics;
2. according to the measurement result of back haul link and access link, MR_eNodeB1 and MR_UE of mobile relay judges that whether the signal strength signal intensity of current area in measurement report is lower than the threshold value preset respectively; If lower than threshold value, then switch; If higher than threshold value, then do not switch;
3. source eNodeB is according to back haul link measurement report determination target eNode B; Source eNodeB sends handover request to target eNode B, target eNode B call access control, and sends Handover Request Acknowledge to source eNodeB;
4. source eNodeB sends to MR_eNodeB1 and allows to switch message, MR_eNodeB1 start to set up with target eNode B synchronous, apply for resource reservation, target eNode B is to MR_eNodeB1 transmission regularly;
5., after connecting between target eNode B and MR_eNodeB1, all information of target eNode B are transmitted to MR_eNodeB2 by MR_eNodeB1; MR_eNodeB2 disconnects with the connection of source eNodeB and utilizes acquired information to be switched to target eNode B fast; Then the backhaul link resource of target eNode B to itself and MR_eNodeB1, MR_eNodeB2 is carried out reasonable distribution and notifies MR_UE; MR_eNodeB1 and MR_eNodeB2 is the subelement for data communication between mobile relay and eNodeB, wherein, MR_eNodeB1 is also responsible for measuring mobile relay and adjacent cell eNodeB channel quality status, reports mobile relay subordinate UE group information to eNodeB;
6. MR_UE is by MR_eNodeB1 and target eNode B, and UE group information is reported MME; Target eNode B is to MME transmit path convert requests; MME sends user face update request to S-GW; S-GW returns user face update request to MME and confirms; MME confirms to target eNode return path convert requests; Target eNode B sends releasing resource signaling to source eNodeB, source eNodeB releasing resource;
7. source MR_UE is according to access link measurement report determination target MR_UE; Meanwhile, judging whether target MR_UE and source MR_UE belongs to same eNodeB, if do not belong to same eNodeB, then performing in order to 10. terminating; Otherwise perform in order to 9. terminating;
Source MR_UE sends handover request to target MR_UE, target MR_UE call access control, and sends Handover Request Acknowledge to source MR_UE;
8. source MR_UE sends to UE and allows to switch message, UE start to set up with target MR_UE synchronous, apply for resource reservation, target MR_UE is to UE transmission regularly; Meanwhile, target MR_UE notifies that eNodeB associated with it reserves backhaul link resource;
9. after UE and target MR_UE connects, notification source MR_UE releasing resource; Meanwhile, eNodeB associated with it is that the UE of new access distributes backhaul link resource;
10. target MR_UE and source MR_UE is not belonged to the situation of same eNodeB, target MR_UE upgrades MME and S-GW of UE by the eNodeB be connected.
2. the changing method of LTE-Advanced mobile relay as claimed in claim 1, is characterized in that: step 1.: the measurement report of MR_eNodeB1 comprises the signal strength signal intensity of current eNodeB community and the signal strength signal intensity of adjacent eNodeB community.
3. the changing method of LTE-Advanced mobile relay as claimed in claim 1 or 2, is characterized in that: step 1.: the measurement report of UE comprises the signal strength signal intensity of current MR_UE community and the signal strength signal intensity of adjacent MR_UE community.
4. the changing method of LTE-Advanced mobile relay as claimed in claim 1, is characterized in that: step 2.: court verdict is divided into four classes: (a) back haul link and access link all do not need to switch; B () back haul link needs to switch, access link does not need to switch; C () back haul link does not need to switch, access link needs to switch; D () back haul link and access link all need to switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301717.5A CN103354653B (en) | 2013-07-17 | 2013-07-17 | A kind of changing method of LTE-Advanced mobile relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301717.5A CN103354653B (en) | 2013-07-17 | 2013-07-17 | A kind of changing method of LTE-Advanced mobile relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103354653A CN103354653A (en) | 2013-10-16 |
| CN103354653B true CN103354653B (en) | 2015-12-02 |
Family
ID=49310943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310301717.5A Active CN103354653B (en) | 2013-07-17 | 2013-07-17 | A kind of changing method of LTE-Advanced mobile relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103354653B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3955641B1 (en) | 2015-04-07 | 2023-06-07 | BlackBerry Limited | Switching between network based and relay based operation for mission critical voice call |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102932859A (en) * | 2012-09-28 | 2013-02-13 | 三维通信股份有限公司 | System and method for switching long term evolution (LTE)-advanced mobile relay (MR) and eNode B |
| CN103118390A (en) * | 2013-02-20 | 2013-05-22 | 杭州电子科技大学 | Business matching system and method for LTE-Advanced mobile relay access link and return link |
| CN103152699A (en) * | 2013-02-20 | 2013-06-12 | 三维通信股份有限公司 | LTE-Advanced (Long Term Evolution-Advanced) mobile relay backhaul link service group switching system and method |
-
2013
- 2013-07-17 CN CN201310301717.5A patent/CN103354653B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102932859A (en) * | 2012-09-28 | 2013-02-13 | 三维通信股份有限公司 | System and method for switching long term evolution (LTE)-advanced mobile relay (MR) and eNode B |
| CN103118390A (en) * | 2013-02-20 | 2013-05-22 | 杭州电子科技大学 | Business matching system and method for LTE-Advanced mobile relay access link and return link |
| CN103152699A (en) * | 2013-02-20 | 2013-06-12 | 三维通信股份有限公司 | LTE-Advanced (Long Term Evolution-Advanced) mobile relay backhaul link service group switching system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103354653A (en) | 2013-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102932859B (en) | System and method for switching long term evolution (LTE)-advanced mobile relay (MR) and eNode B | |
| CN102238609B (en) | X2 interface method for building up and method for cell switching in mobile communication system | |
| US20230247505A1 (en) | Telecommunications system, terminal device, infrastructure equipment and methods | |
| CN103281782B (en) | Uplink carrier frequencies management method, equipment and system | |
| US9338703B2 (en) | Method and apparatus for changing cell information in wireless communication system | |
| CN103167569B (en) | The fast switch over method of a kind of TD-LTE communication system based on relay switching | |
| CN103442397B (en) | The cooperation changing method based on subcarrier of LTE-A relay system | |
| CN102300279B (en) | Switching method based on carrier wave aggregation in high speed mobile environment | |
| CN102123480B (en) | The notice of access capability of relay node and transmission method | |
| CN108282836A (en) | Auxiliary base station switch method, device and base station | |
| US9674738B2 (en) | Method and device for maintaining neighbor information of mobile relay | |
| CN103813403B (en) | Broadcast-based LTE-R (long term evolution-release) synchronous control communication system and switching method thereof | |
| US10433297B2 (en) | Communication processing method, communication processing apparatus and base station | |
| CN105228200A (en) | The fast cell changing method that a kind of network assistance UE controls and device | |
| CN101841872B (en) | Method and relay equipment for implementing cell switch | |
| CN103517320B (en) | The control method of cognitive radio system neighboring BS relationship, base station and neighboring BS relationship | |
| CN102204336B (en) | Method for transmitting neighboring cell information of multi-site cell, apparatus and system thereof | |
| KR20130046198A (en) | Network redirection method for terminal located near boundary of heterogeneous networks | |
| CN101442714A (en) | Method and system for transferring MBMS context between e-Node B | |
| US20140274060A1 (en) | Communication system, radio communication node, and communication control method | |
| CN108882264B (en) | Method and system for measuring pilot frequency adjacent cell under double connection | |
| CN107005957B (en) | Communication method and apparatus | |
| CN104581776B (en) | Mobile relay and its system and the method for adjacent area self-optimizing | |
| CN103581945A (en) | Measurement configuration processing method and device | |
| CN103581998A (en) | Method and equipment for reporting judgment and measurement of switchover or bearing separation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |