CN101651910A - Method for sending cell reselection indication - Google Patents
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- CN101651910A CN101651910A CN200810210697A CN200810210697A CN101651910A CN 101651910 A CN101651910 A CN 101651910A CN 200810210697 A CN200810210697 A CN 200810210697A CN 200810210697 A CN200810210697 A CN 200810210697A CN 101651910 A CN101651910 A CN 101651910A
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- 230000005484 gravity Effects 0.000 claims description 99
- 238000013475 authorization Methods 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 abstract description 21
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 15
- 230000001174 ascending effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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Abstract
The invention discloses a method for sending a cell reselection indication. The method comprises the following steps: a terminal sends a cell reselection indication to a current resident cell at a network side before cell reselection, and the cell reselection indication is used for notifying the current cell terminal of cell reselection to be carried out; the cell reselection indication is sent over uplink authorized resources in case the terminal has the uplink authorized resources currently or after a period of time delay; the cell reselection indication is sent to the current cell by a high-speed shared indicator channel associated with downlink transmission in case the terminal currently has the downlink transmission; and the cell reselection indication is sent to the current cell by random access channel resources of a system in case the terminal does not have the uplink authorized resources currently or after a period of time delay, or downlink transmission currently. The methodhelps reduce resource waste.
Description
Technical field
The present invention relates to the communications field, in particular to the sending method of a kind of sub-district gravity treatment indication.
Background technology
3GPP (3rd Generation Partnership Project, the 3G (Third Generation) Moblie partnership) in the Rel-7 version, finished WCDMA (Wideband Code DivisionMultiple Access, the Wideband Code Division Multiple Access (WCDMA) access) standardization effort that CELL_FACH (CellForward Access Channel, sub-district _ forward access channel) state strengthens in the system.
The CELL_FACH state strengthens by introducing HS-DSCH (High Speed Downlink Shared Channel at the CELL_FACH state, at a high speed-and DSCH Downlink Shared Channel) strengthen the packet data transmission performance of this state, make it obtain less packet transfer delay and higher transmission rate, the CELL_FACH state strengthens mechanism and also has been incorporated into UTRAN (Universal Mobile Telecommunication System Radio AccessNetwork, the global system for mobile communications wireless access network) (the UTRANRegistration Area Paging Channel of the URA_PCH in, UTRAN Acceditation Area _ paging channel) and paging and transfer of data under CELL_PCH (Cell Paging Channel, the cell _ paging channel) state.
Under traditional CELL_FACH state, terminal is by RACH (RandomAccess Channel, Random Access Channel) sends upstream data, by FACH (ForwardAccess Channel, forward access channel) downlink data receiving, the PRACH of RACH channel Mapping (Physical Random Access Channel, Physical Random Access Channel) channel resource is the common channel resources of sub-district, the PRACH channel resource is broadcasted in system message, and terminal is selected a concrete PRACH channel by the physical accidental access procedure.The base station does not need the RACH channel resource is dispatched, and terminal embodies data priority control according to the ASC selection course.The S-CCPCH of FACH channel Mapping (SecondaryCommon Control Physical Channel, auxiliary-Common Control Physical Channel) channel also is common channel resources, the priority that is mapped to the data of FACH channel is controlled by RNC (Radio Network Controller, radio network controller) carry out, the base station does not need the FACH channel resource is dispatched equally.
Under traditional CELL_FACH state, terminal is carried out cell reselection process.The sub-district gravity treatment is meant: terminal is independently to P-CCPCH (the Primary Common ControlPhysical Channel of adjacent sub-district, master-Common Control Physical Channel) intensity is measured, if satisfy the R criterion of sub-district gravity treatment, then terminal need not to report any metrical information or indication information to network, terminal is independently carried out the sub-district gravity treatment, after finishing gravity treatment, terminal is carried out cell updating course in new sub-district, after RNC receives the terminal cell update, change the route that data send and receive.After terminal satisfies the sub-district reselection criterion, need a period of time from performing cell reselection to the process of finishing the sub-district gravity treatment, to carry out in the process of gravity treatment in terminal, terminal can't receive any data message in former sub-district.
The time period length that terminal is carried out the sub-district gravity treatment is a complete system message cycle at least, in case certain segmentation of certain System information block receives mistake, terminal needs the time of read system message longer; Finish after system message reads in terminal, also need carry out random access procedure, be used for cell update message is sent to RNC in new sub-district.
From the process of above-mentioned sub-district gravity treatment, as can be seen, perform cell reselection within the duration of finishing the sub-district gravity treatment,, then can cause loss of data if network sends data to terminal from terminal.Yet under traditional C ELL-FACH state, the speed ratio of RACH channel and FACH channel is lower, even terminal uses the mode of sub-district gravity treatment also can not cause losing in a large number of data.
Under the CELL_FACH state after the enhancing, up by E-PUCH (EnhancedPhysical Uplink Channel, enhancing-physical uplink channel) channel sends data, descending by HS-PDSCH (High Speed Physical Downlink Shared Channel, at a high speed-and Physical Downlink Shared Channel) the reception data, these channel resources are by Node B (Node B) scheduling and control, these channels are owing to adopted short TTI (Transmission TimeInterval, Transmission Time Interval), HARQ (Hybrid Automatic Repeat Request, mix automatic repeat requests) etc. advanced technology, upstream data peak rate and downlink data peak rate will obviously promote.If terminal is still independently carried out the sub-district gravity treatment, and terminal is in the process of carrying out the sub-district gravity treatment, and dispatch terminal the base station, the problem of the wasting of resources and loss of data, than traditional C ELL_FACH state, the CELL_FACH state after the enhancing can be more serious.
Carry out in the cell reselection process in present terminal, because terminal can not receive the data from current area, so the current area of network side can cause the wasting of resources and loss of data to terminal transmission data.
Summary of the invention
At carrying out in the cell reselection process in present terminal, because terminal can not receive the data from current area, therefore the current area of network side can cause the problem of the wasting of resources and loss of data and propose the present invention to terminal transmission data, for this reason, the present invention aims to provide the sending method of a kind of sub-district gravity treatment indication, to address the above problem.
According to the present invention, provide the sending method of a kind of sub-district gravity treatment indication.
Sending method according to sub-district of the present invention gravity treatment indication comprises: terminal sent sub-district gravity treatment indication to its resident current area of network side before carrying out the sub-district gravity treatment, gravity treatment indication in sub-district is used to notify the current area terminal will carry out the sub-district gravity treatment; Have a uplink authorization resource in that terminal is current, perhaps after one section time delay, have under the situation of uplink authorization resource, on the uplink authorization resource, send sub-district gravity treatment indication; Under the current situation with downlink transfer of terminal, the high speed by being associated-share indicating channel to send sub-district gravity treatment indication to current area with downlink transfer; Current or delay one section the time and all do not have the uplink authorization resource in terminal, and under the current situation that does not also have a downlink transfer, send sub-district gravity treatment indication to current area by system's random access channel resource.
Preferably, when terminal sends sub-district gravity treatment indication by uplink authorization resource or system's random access channel resource, use the predetermined field of schedule information in the uplink information to come identifying cells gravity treatment indication.
Preferably, the total buffer mode field by schedule information is set to 0, and highest priority logical channel buffer state field is set to non-0 value, comes identifying cells gravity treatment indication.
Preferably, terminal by at a high speed-when sharing indicating channel and sending sub-district gravity treatment indication, the transport block length field by the recommendation in the uplink information is set to 0, comes identifying cells gravity treatment indication.
Preferably, under the current situation that has uplink authorization resource and downlink transfer simultaneously of terminal, terminal sends sub-district gravity treatment indication to network side and specifically comprises one of following: terminal sends uplink information by the uplink authorization resource to current area, and carries sub-district gravity treatment indication therein; Terminal sends uplink information by the high speed-shared indicating channel that is associated with downlink transfer to current area, and carries sub-district gravity treatment indication therein.
Preferably, after current area sent sub-district gravity treatment indication, said method further comprised in terminal: current area receives sub-district gravity treatment indication, and gravity treatment indication in sub-district is sent to radio network controller.
By the present invention, adopt the method that sends sub-district gravity treatment indication, solved in present terminal and carried out in the cell reselection process, because terminal can not receive the data from current area, therefore the current area of network side can cause the problem of the wasting of resources and loss of data to terminal transmission data, and then has reduced the waste of resource.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the detail flowchart according to the sending method of the sub-district gravity treatment indication of the embodiment of the invention;
Fig. 2 is the schematic diagram of content that is used to implement the schedule information of the embodiment of the invention;
Fig. 3 is the schematic diagram that is used to implement the HS-DSCH transmission course of the embodiment of the invention;
Fig. 4 is the schematic diagram that is used to implement the information on the HS-SICH channel of the embodiment of the invention.
Embodiment
Functional overview
Based at present terminal (User Equipment, abbreviate UE as) carry out in the cell reselection process, because UE can not receive the data from current area, therefore the current area of network side can cause the wasting of resources to UE transmission data, and the problem of loss of data, the present invention a kind of mechanism of suggestion is provided, promptly, the invention provides the sending method of a kind of sub-district gravity treatment indication, before UE carries out the sub-district gravity treatment, the method that adopt to send sub-district gravity treatment indication is avoided loss of user data in the reuse adoption process, reduces the waste of the shared resource that this kind situation causes as far as possible.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
According to embodiments of the invention, provide the sending method of a kind of sub-district gravity treatment indication.This method comprises: UE sent sub-district gravity treatment indication to its resident current area of network side before the sub-district gravity treatment takes place, gravity treatment indication in sub-district is used to notify current area UE will carry out the sub-district gravity treatment; After this, current area receives sub-district gravity treatment indication, and gravity treatment indication in sub-district is sent to RNC.
By this embodiment, UE sent sub-district gravity treatment indication to the current area of network side before carrying out the sub-district gravity treatment, can avoid that network side is follow-up to be sent data and cause the wasting of resources and loss of data to UE.
In specific implementation process, when UE when its resident current area of network side sends sub-district gravity treatment indication, UE has multiple ascending resource situation, for example: UE is current to have the uplink authorization resource, have after one section time delay perhaps that uplink authorization resource, UE are current to have that downlink transfer, UE are current to have simultaneously that uplink authorization resource and downlink transfer, UE are current neither to have a uplink authorization resource, do not have downlink transfer yet, will be described in detail the above-mentioned situation that may exist among the embodiment below.
Be that example is described in detail implementation procedure of the present invention with the TD-SCDMA system below.
Fig. 1 is that as shown in Figure 1, this method comprises according to the detail flowchart of the sending method of the sub-district gravity treatment indication of the embodiment of the invention:
Step S102, UE carries out with the identical sub-district reselection criterion of existing protocol (that is, the R criterion), after measurement determines to satisfy the condition of sub-district gravity treatment, proceeds to step S104;
Step S104, UE sent sub-district gravity treatment indication to base station node B (that is the current area of network side) before carrying out the sub-district gravity treatment.
Step S106, Node B receive sub-district gravity treatment indication, and gravity treatment indication in sub-district is sent to RNC.Preferably, Node B can will carry out the sub-district gravity treatment to RNC indication UE by chain of command signaling or user's face control frame.
Because RAN (Radio Access Network, wireless access network) starting point of the downlink data of side transmission is at RNC, thereby after Node B receives sub-district gravity treatment indication from UE, this information need be sent to RNC, RNC can stop to send to NodeB the downlink data of this UE like this, and simultaneously, Node B itself also will stop the ascending resource mandate to this UE, by this implementation process, reduced the waste of resource.
In step S104, UE has multiple ascending resource situation, for every kind of different ascending resource, UE can use different modes to send sub-district gravity treatment indication to Node B, below at every kind of situation that may exist, UE is described in detail to the process that Node B sends sub-district gravity treatment indication.
(1) UE is current has a up E-PUCH authorization resources, and UE can send uplink information to its resident current area of network side by this resource, and carries sub-district gravity treatment indication therein.
(2) the current no up E-PUCH authorization resources of UE, but have up E-PUCH authorization resources behind one section delay time, UE can send uplink information to its resident current area of network side by this resource, and carries sub-district gravity treatment indication therein.
Particularly, the E-PUCH resource is a shared resource, and the base station sends the E-PUCH authorization resources by E-AGCH (Enhanced Absolute Grant Channel, enhancing-absolute grant channel) for UE.RDI on the E-AGCH channel (Resource DurationIndication, resource continuous time indication) information field can specify UE to use the TTI number and the time interval of this resource, for example, when RDI=6, authorize the E-PUCH resource of 4 TTI of UE altogether, 3 subframes in interval between each TTI resource.Satisfy the sub-district again during criterion when UE measure to judge, if current TTI does not have the E-PUCH resource, still, after one section time-delay, when UE had the E-PUCH resource, UE can wait for a period of time, and sent the sub-district gravity treatment indicate when E-PUCH resource sequential arrives.
In above-mentioned situation (1) and situation (2), all be that UE can send sub-district gravity treatment indication by the E-PUCH resource.Below this process is described in detail.
The E-PUCH channel can also carry ascending control information (that is schedule information) except carrying the data.Fig. 2 is the schematic diagram of content that is used to implement the schedule information of the embodiment of the invention, as shown in Figure 2, schedule information comprises: SNPL service/adjacent sub-district path loss (5 bit), UPH uplink power margin (5 bit), the TEBS total buffer state (5 bit) that also comprises buffering area occupied information BO correspondence, HLBS highest priority logical channel buffer state (4 bit), HLID highest priority logical channel ID (4 bit), in schedule information, not keeping the position can use, can utilize some field of schedule information is carried out the special identifying cells gravity treatment indication of filling in, promptly, use the predetermined field of schedule information in the uplink information to come identifying cells gravity treatment indication, for example, " total buffer state " is set to 0, and " highest priority logical channel buffer state " is set to non-0 value, represents sub-district gravity treatment indication.
(3) UE is current has a descending HS-DSCH transmission, can be by feedback channel HS-SICH (the High Speed SharedIndication Channel that is associated with descending HS-DSCH transmission, at a high speed-and shared indicating channel) send uplink information to its resident current area of network side, and carry sub-district gravity treatment indication therein.
Fig. 3 is the schematic diagram that is used to implement the HS-DSCH transmission course of the embodiment of the invention, as shown in Figure 3, the sequential relationship of each channel is as follows in the HS-DSCH Channel Transmission: detect HS-SCCH (the High Speed Shared Control Channel that points to UE as UE, High-Speed Shared Control Channel) time, UE just reads the information on the HS-SCCH channel, code channel on the HS-SCCH and gap information indication UE are about to HS-PDSCH (High Speed Physical Downlink Shared Channel, the high speed down sharing physical channel) channel resource of reception, modulation system and transport block length indication transformat.After predetermined timing time nHS-SCCH, UE receives data on the HS-PDSCH of appointment channel, and after the timing nHS-SICH of appointment, carries out the HARQ feedback to Node B on the HS-SICH channel.UE receives HS-SCCH to the time that 3 subframes are arranged between the HS-SICH feedback sequential, if in this time, UE determines to satisfy the condition of sub-district gravity treatment, and UE can carry out sub-district gravity treatment indication on the HS-SICH channel.
Fig. 4 is the schematic diagram that is used to implement the information on the HS-SICH channel of the embodiment of the invention, as shown in Figure 4, information on the HS-SICH channel comprises: the modulation system of recommendation (1 bit), the transport block length (6 bit) of recommending, mix automatic repeat requests feedback (1 bit), in the HS-SICH channel architecture, can utilize " transport block length of recommendation " field to indicate to the gravity treatment of Node B identifying cells, particularly, " transport block length of recommendation " field span is 1-63 at present, and can utilize " transport block length of recommendation " field value is 0 to come identifying cells gravity treatment indication.
For the generation that may walk abreast of above-mentioned situation (1) and situation (3), promptly, the existing up E-PUCH resource of UE, again downlink transfer is arranged, at this moment, UE can adopt any mode of above-mentioned situation (1) or situation (3) to send sub-district gravity treatment indication to the current area of network side.
(4) on UE does not have/and descending shared resource, that is, UE is current neither to have the uplink authorization resource, do not have downlink transfer yet, at this moment, UE can only send uplink information to its resident current area of network side by system's random access channel resource, and carries sub-district gravity treatment indication therein.
Particularly, when UE both do not had available up E-PUCH resource, when not having descending HS-DSCH transmission yet, UE need send sub-district gravity treatment indication to the current area of network side by system's random access channel resource.At this moment, UE can use E-RUCCH (Enhanced Random Uplink Control Channel strengthen-inserts ascending control channel at random).The E-RUCCH channel is HSUPA (High Speed Uplink PacketAccess, high speed uplink packet inserts) there is not authorization resources but UE need transmit data the time as UE in the transmission, the channel that UE uses when Node B sends schedule information, the sign of carrying schedule information and UE on the E-RUCCH channel.When UE by E-RUCCH when Node B sends sub-district gravity treatment indication, can use with E-PUCH and go up the identical method of transmission sub-district gravity treatment indication, promptly, the method that situation (1) is adopted, " total buffer state " is set to 0, and " highest priority logical channel buffer state " be set to non-0 value, come identifying cells gravity treatment indication.
Pass through embodiments of the invention, adopt the method that sends sub-district gravity treatment indication, solved at present UE and carried out in the cell reselection process, because UE can not receive the data from current area, therefore the current area of network side can cause the problem of the wasting of resources and loss of data to UE transmission data, and then has reduced the waste of resource.
In addition, UE is preferential uplink authorization resource or the relevant ascending control channel of downlink transfer of using when network side indication UE will carry out the sub-district gravity treatment, because these channels all are subjected to closed power control, thereby can reduce interference to neighbor cell, can also avoid waste to system's random access resource.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the sending method of a sub-district gravity treatment indication is characterized in that, comprising:
Terminal sent sub-district gravity treatment indication to its resident current area of network side before carrying out the sub-district gravity treatment, gravity treatment indication in described sub-district is used to notify the described terminal of described current area will carry out the sub-district gravity treatment;
Have a uplink authorization resource in that described terminal is current, perhaps after one section time delay, have under the situation of uplink authorization resource, on described uplink authorization resource, send the gravity treatment indication of described sub-district; Under the current situation with downlink transfer of described terminal, the high speed by being associated-share indicating channel to send the gravity treatment indication of described sub-district to described current area with described downlink transfer; Current or delay one section the time and all do not have the uplink authorization resource in described terminal, and under the current situation that does not also have a downlink transfer, send the gravity treatment indication of described sub-district to described current area by system's random access channel resource.
2. method according to claim 1, it is characterized in that, when described terminal sends the gravity treatment indication of described sub-district by uplink authorization resource or system's random access channel resource, use the predetermined field of schedule information in the uplink information to identify the gravity treatment indication of described sub-district.
3. method according to claim 2 is characterized in that, the total buffer mode field by described schedule information is set to 0, and highest priority logical channel buffer state field is set to non-0 value, identifies the gravity treatment indication of described sub-district.
4. method according to claim 1 is characterized in that, described terminal by at a high speed-when sharing indicating channel and sending sub-district gravity treatment indication, the transport block length field by the recommendation in the uplink information is set to 0, identifies the gravity treatment indication of described sub-district.
5. method according to claim 1 is characterized in that, under the current situation that has uplink authorization resource and downlink transfer simultaneously of described terminal, described terminal sends sub-district gravity treatment indication to network side and specifically comprises one of following:
Described terminal sends uplink information by described uplink authorization resource to described current area, and carries the gravity treatment indication of described sub-district therein;
Described terminal sends uplink information by the high speed-shared indicating channel that is associated with described downlink transfer to described current area, and carries the gravity treatment indication of described sub-district therein.
6. according to each described method in the claim 1 to 5, it is characterized in that after described current area sent sub-district gravity treatment indication, described method further comprised in described terminal:
Described current area receives the gravity treatment indication of described sub-district, and gravity treatment indication in described sub-district is sent to radio network controller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810210697A CN101651910A (en) | 2008-08-12 | 2008-08-12 | Method for sending cell reselection indication |
| PCT/CN2009/072126 WO2010017719A1 (en) | 2008-08-12 | 2009-06-04 | Transmitting method for cell re-choosing indication and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810210697A CN101651910A (en) | 2008-08-12 | 2008-08-12 | Method for sending cell reselection indication |
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| CN101651910A true CN101651910A (en) | 2010-02-17 |
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| CN200810210697A Pending CN101651910A (en) | 2008-08-12 | 2008-08-12 | Method for sending cell reselection indication |
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| CN (1) | CN101651910A (en) |
| WO (1) | WO2010017719A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641975A (en) * | 2020-05-12 | 2020-09-08 | Oppo广东移动通信有限公司 | Wireless connection reestablishing method and device, terminal and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2557842B1 (en) * | 2011-08-10 | 2018-05-23 | Alcatel Lucent | Autonomous cell reselection by a user equipment |
| CN114727400A (en) * | 2015-08-11 | 2022-07-08 | 三菱电机株式会社 | Communication system |
| CN108476507B (en) | 2016-01-08 | 2023-04-18 | 日本电气株式会社 | Wireless station system, wireless terminal and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100772129B1 (en) * | 2004-05-04 | 2007-11-01 | 삼성전자주식회사 | Serving scheduling cell selection method for mobile station during soft handoff for uplink packet transmission system and therefor apparatus |
| CN100421502C (en) * | 2004-05-13 | 2008-09-24 | 华为技术有限公司 | Method for guaranteeing data to be transferred correctly in time of switching channel |
| CN100461666C (en) * | 2006-03-30 | 2009-02-11 | 华为技术有限公司 | Method for preventing data loss while switching between base stations of user's device |
| US7729703B2 (en) * | 2006-04-27 | 2010-06-01 | Motorola, Inc. | Apparatus and method for reporting a channel quality indication to non-serving cells |
| CN100571444C (en) * | 2006-09-29 | 2009-12-16 | 中兴通讯股份有限公司 | Switching cut-in method and device based on Random Access Channel |
| KR101237017B1 (en) * | 2007-01-12 | 2013-02-25 | 노키아 코포레이션 | Apparatus, method and computer program product providing synchronized handover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641975A (en) * | 2020-05-12 | 2020-09-08 | Oppo广东移动通信有限公司 | Wireless connection reestablishing method and device, terminal and storage medium |
| CN111641975B (en) * | 2020-05-12 | 2023-07-21 | Oppo广东移动通信有限公司 | Wireless connection reestablishing method and device, terminal and storage medium |
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| WO2010017719A1 (en) | 2010-02-18 |
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Application publication date: 20100217 |