CN1364391A - Multiplexing of real time users and non-priority users EGPRS channels - Google Patents
Multiplexing of real time users and non-priority users EGPRS channels Download PDFInfo
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- CN1364391A CN1364391A CN00810790.4A CN00810790A CN1364391A CN 1364391 A CN1364391 A CN 1364391A CN 00810790 A CN00810790 A CN 00810790A CN 1364391 A CN1364391 A CN 1364391A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2646—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for broadband transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/06—Hybrid resource partitioning, e.g. channel borrowing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Real time services (e.g., speech communication) are multiplexed with non-priority services (e.g., short message service and/or electronic mail service) once a silent period is detected in a real time communication. The non-priority services are aborted once the real time communication has become active again after the silent period.
Description
Background of invention
The present invention relates to radio communications system, in particular to technology that effectively utilizes the voice communication dead time and structure.
The development of business communications system, particularly cellular radio telephone systems explosive growth in the worldwide, force system planner's searching way to improve power system capacity and flexibility, be unlikely to make communication quality to drop to the insufferable degree of user again simultaneously.Mobile calls can be selected route with for example circuit switching, packet switching or their certain compound mode.More and more need mobile cellular telephony network, global mobile communication network for example connects and integrates with Internet Protocol (IP) network, is call routing.On ip network, select route and usually be called " IP speech ", be called VoIP more compactly for voice call.
Packet-switch technology can be connection-oriented (for example X.25), also can be as IP " connectionless ", does not need to set up and cancel physical connection, and this point is different fully with circuit-switched technology.Can shorten the stand-by period of data like this, improve the relatively efficient of weak point, burst or interactive affairs of Channel Processing.Do not have to connect packet switching network routing function is distributed in a plurality of router points, thus the communication performance bottleneck that can occur when avoiding occurring using central switching hub.With suitable terminal system addressing technique data are carried out " packing ", independently sending in the unit by data path then.Intermediate system between the communication terminal system is called " router " sometimes, for each packet is determined only route.Route Selection is to be based upon on the basis of multinomial characteristic, comprising: least cost route or select according to expense; Link capacity; Wait for the quantity of transfer data packets; The operating state of link safety requirement and intermediate system (node).
Fig. 1 has drawn and has been used for the representative architecture that communicates by airlink, and it adopts packet data protocol, provides connection between mobile terminal system (for example travelling carriage), Mobile Data Base Station (MDBS) and mobile data intermediate system (MD-IS).The approach of each unit is described in the time of below to unit among Fig. 1 and the optional radio-frequency technique of consideration.
Internet Protocol/connectionless network protocol (IP/CLNP) is the connectionless network protocol that whole conventional data network is all extensively supported.These agreements are irrelevant with physical layer, and preferably do not change when radio-frequency technique changes.
Safety management agreement (SMP) provides the fail safe service in the LI(link interface) aloft.The service that provides comprises that data link is maintained secrecy, M-ES authentication, key management, access control and the renewable ability of algorithm/replacement.SMP should remain unchanged when adopting the different radio frequency technology.
Provided for radio resources management agreement (RRMP) uses radio frequency resource to manage and control to mobile unit.Provided for radio resources management agreement and relevant procedures are exclusively used in AMPS RF infrastructure, come change according to the radio-frequency technique that adopts.
Mobile network register agreement (MNRP) is used together with mobile network's location protocols (MNLP), thereby can register and authentication mobile terminal system.The mobile network register agreement should not change when adopting the different radio frequency technology.
The mobile data link protocol provides effective transfer of data between MD-IS and M-ES.MDLP supports that mobile system moves, mobile system economize on electricity, radio-frequency channel resource-sharing and mistake are recovered.MDLP should not change when adopting the different radio frequency technology.
Medium access control (MAC) agreement and relevant procedures control insert the management of M-ES method to the radio frequency Channel Sharing.This agreement and its function are provided by the different radio frequency technology.
In block data system, introduced new service or application, for example so real-time (RT) service of VoIP, the time, will have a large amount of service quality (QoS) requirement on the network.The certain user for example uses those of real-time Voice Applications, can very high requirement be arranged to the availability of transfer resource, sends SMS message or the user of Email then can please oneself to the lower availability of transfer resource.
For example, in famous universal mobile telecommunications system (UMTS), four class service quality are arranged: conversational class; The stream class; Interactive class and background classes.The main distinction between these classes is the sensitiveness to communication delay.The communication of tradition class is to postponing highstrung communication, and background classes communication then is to postponing least responsive communication class.Conversational class and stream class are used to transmit real-time communication data stream, and interactive class and background classes are used to transmit internet application message (for example WWW, Email, Telnet, FTP or the like).
Real time business comprises keeping the time-constrain of access channel.That is to say, postpone service quality (for example to speech quality) is had unwelcome obvious influence in the transmission of continuous data bag and/or the reception.For the communication that quality is had relatively high expectations, these time-constrain problems can be solved by always keeping with the predetermined time interval turn-on time.Whether in this way, real time communication can not carried out with being interrupted, because all will be to its allocate communications resource no matter have packet to send.That is to say, for example dead time can occur in the Speech Communication in real time, and, in dead time, not need to send signal in order to save battery resource.
Dead time can detect with a speech activity detector (VAD).In dead time, a quiet descriptor (SID) is sent to receiver.This quiet descriptor tells the receiver dead time to begin.In addition, quiet descriptor also illustrates the type of " comfort noise " that will produce at receiver there.Receiver produces comfort noise, so that the background noise that takes place of natural imitation well, makes receiver one side's user understand that passage between the transmitter and receiver is still in work.Except quiet descriptor, can also tell transmitter not detect any voice activity, transmitter can reduce its output power of transmitter, perhaps it is arranged to 0.This technology is called interrupted lift-off technology (DTX).When employing was resolved supervention and penetrated technology, the interference in the system can be lowered, because transmitter only can just be launched power output (when for example detecting voice activity) when having information to send.
But, because resource is assigned to the real time business user, and no matter whether sent packet from transmitter, therefore preferably these dead times can be used in a kind of more effective mode, in dead time, allow other use and use the resource of distributing, and do not reduce the service quality of real time business.
The invention summary
The present invention is by providing a kind of method and system, in real time communication, detect in the dead time real time business (for example voice communication) and non-priority or insensitive business of time (for example short message and/or electronic mail service) is carried out multiplexed, overcome above-mentioned shortcoming of the prior art.In addition, after the dead time real time communication again at first the scheme among the present invention withdraw from these other business.
On the one hand, the invention provides a kind of method of allocate communications resource.This method comprises the communication resource is exclusively used in real-time application; Operating position by real-time application monitors resource; When resource is used use in real time, the step of using is used in resource allocation to non-priority.
On the other hand, the invention provides a kind of system that is used for the allocate communications resource.This system comprises a device, and it can monitor the active state of first application, and sends a status signal, also has a switch to connect with this transmitter, and this status signal is responded.If status signal illustrates first application and be in active state, switch is just used first with transmitter and is coupled together, if status signal illustrates that first applications is not to be in active state, this switch just follows transmitter to couple together second application.
On the one hand, the invention provides a kind of system again, be used for the allocate communications resource.This system comprises first module, and the communication resource is exclusively used in real time communication; Also comprise second module, be used to monitor the operating position of real-time application resource; Also have the 3rd module, when real-time application is not used resource, resource allocation is not used use to non-priority.
The accompanying drawing summary
By the preferred embodiments of the invention are described in detail, simultaneously with reference to the accompanying drawings, above-mentioned feature of the present invention will be more apparent.In these accompanying drawings:
The protocol architecture that Fig. 1 explanation communicates by airlink;
Fig. 2 illustrates an exemplary of the present invention;
Fig. 3 A is a flow chart, and its explanation is used for an example technique of down link of the present invention;
Fig. 3 B is a flow chart, and its explanation is used for an example technique of up link of the present invention; With
Fig. 4 illustrates the distribution of piece in exemplary of the present invention.
Detailed Description Of The Invention
In the following description, in order to describe rather than in order limiting, to have provided detail, for example specific circuit board, circuit element, technology or the like are so that understand the present invention all sidedly.But the present invention obviously can enough other embodiments that is different from these details realize for those of skill in the art.In other cases, saved detailed description, in order to avoid a presumptuous guest usurps the role of the host to well-known method, device and circuit.
Example wireless electrical communication system discussed here adopts time division multiple access (TDMA) agreement, and wherein the communication between base station and the portable terminal is carried out in a plurality of time slots.But those of skill in the art can understand notion disclosed herein and also can be used in other agreement, include but not limited to certain combination of frequency division multiple access (FDMA), code division multiple access (CDMA), time division duplex (TDD) or above agreement.
Fig. 2 illustrates an exemplary of the present invention.Communication system comprises a base station 202 and a plurality of communicator 204,206.Communicator 206 comprises a transceiver 211, an audio coder ﹠ decoder (codec) 213 and finishes VAD, SID and a module 207 of DTX function.Communicator 204 comprises a transceiver 205 and a non-priority (NP) application 215 (for example short message service or electronic mail services).Like this, in this example, device 206 is RT devices, and device 204 is NP devices.
As shown in the figure, audio coder ﹠ decoder (codec) 208 comprises a module 209 that realizes VAD, SID and DTX function.(just up link or down link) in the ordinary course of things, when speech activity detector detected voice signal, multiplex machine 212 coupled together audio coder ﹠ decoder (codec) with transceiver 214.But when speech activity detector detected dead time, multiplex machine 212 was used 210 with non-priority and is followed transceiver 214 to couple together.
Like this, multiplex machine 212 makes non-priority use and can visit the transmission resources (for example piece) that (RT) application is in real time used.Owing to have when being applied in work in real time, at least some resources are used in real time to be taken, so the present invention can be applied in " stealing " occupied real-time resource when not having movable voice by non-priority, improves the total capacity of system.
The scheduling of different application is to finish at the radio link control (RLC) or the MAC layer of network in the down link.Fig. 3 A is a flow chart, and it illustrates an exemplary dispatching technique of down link among the present invention.In dead time,, when therefore the transmission resources that distributes is used use by non-priority, can produce comfort noise by real-time clock 206 because quiet block of speech does not send to real-time clock 206.In addition, in dead time, periodically (for example each 480 milliseconds) emission comprises the uplink block of quiet descriptor, thereby can upgrade the parameter that is used to produce comfort noise.
Each real-time voice piece of generation is used in speech activity detector inspection in the audio coder ﹠ decoder (codec) 208 in real time.If in step 320, speech activity detector detects voice in block of speech, just in step 322 is to use in real time to arrange downlink block, and multiplex machine 212 connects audio coder ﹠ decoder (codec) 208 with transceiver.If speech activity detector detects quiet block of speech, just will comprise that first downlink block of quiet descriptor is transmitted to real-time clock 206.In step 323, produce the parameter that (perhaps upgrading) is used to produce comfort noise with quiet descriptor.In step 324, for non-priority is used the next downlink block of arrangement, multiplex machine 212 is used 210 with non-priority and is followed transceiver 214 to couple together.
Communicator will comprise when the real-time uplink block of voice messaging sends to base station 202 that communication system arranges real-time clock 206 to launch its uplink block continuously.When real-time clock 206 detected dead time, real-time clock sent first uplink block that comprises a quiet descriptor, tells communication system real-time clock 206 entering dead time.In dead time, can periodically launch the more uplink block (for example every 480 milliseconds) that comprises quiet descriptor, thereby can upgrade the parameter that is used to produce comfort noise.But in dead time, can use for non-priority and distribute uplink resource (for example the non-priority device 204), the real-time application of real-time clock 206 still can be wished to recover to send uplink block thereby make communication system can determine to use when in real time by Resources allocation periodically.In nonmobile phase, by allowing the non-priority of non-priority device 204 use the uplink resource that uses the real-time application of distributing to real-time clock 206, real-time application may obliterated data or appearance delay when regaining uplink resource when nonmobile phase finished.In order to guarantee service quality, the frequency of uplink block being distributed to the non-priority application should be set like this, between the additional throughput of uplink block of using in real time and non-priority application, obtain a compromise (loss and/or delay).
An example of above technology is described below with reference to Fig. 3 B.In up link, communication system receives a uplink block from real-time clock 206.In step 332, communication system judges whether the uplink block from communicator 206 comprises a quiet descriptor.If detect voice rather than quiet descriptor, just in step 336, arrange next downlink block for active user.If but detected a descriptor, three uplink block under just arranging in such a way in step 334: (1) would be used for non-priority and is arranged first uplink block; (2) be to use in real time to arrange second uplink block; (3) ranked third a uplink block for non-priority user peace.By alternately arranging non-priority and real-time uplink block, just can recover real-time application soon when having block of speech to launch.Those of skill in the art will appreciate that and can change concrete alternate mode according to the quality of service requirement to system.For example, the N piece is arranged, arrange one, for non-priority is arranged the N-1 piece for using in real time for one-period.If the interval of the real-time piece of arranging of up link very little (for example 2 with interior or 20 milliseconds in), just use in real time and can not lose voice messaging significantly.But other real-time application may more can be tolerated in and recover communication losing of data block before, and it just allows between the real-time piece of arranging of up link bigger interval (for example 3 or more) is arranged.
During the real-time piece of arranging in step 338 of up link, whether the communication system inspection has sent a real-time piece of up link.If sent the real-time piece of up link, communication system just checks that this piece comprises voice or comprises quiet descriptor.If it comprises voice signal, just be to use in real time to arrange next uplink block in step 336.If the real-time piece of up link comprises a quiet descriptor in step 340, just in communication system, upgrade comfortable noise parameter, arrange three uplink block of back according to step 334.If do not send the real-time piece of any up link, just arrange three uplink block of back according to step 334 to communication system.
Allocation block how in the exemplary among the present invention shown in Fig. 4 key diagram 3B.Wherein drawn from the communication system down link isl frame, from the uplink frame of using the communicator of using in real time with from the uplink frame of the communicator that uses non-priority to use.Each piece in the descending chain circuit frame all comprises 352,360 and temporary flow identity symbol fields of a Uplink State Flag field (USF) (TFI) 354.The Uplink State Flag field tells communicator to distribute next uplink block.For example, if downlink block 350 includes a Uplink State Flag (seeing USF 352) of instantaneous value, the communicator used in real time of notice operation just, it just is arranged at and sends a real-time piece 362 in the next uplink block.If but the value of Uplink State Flag is that (the line link piece 358 as follows for non-priority, Uplink State Flag 360), just notice is used communicator that non-priority uses it has been arranged at non-priority piece 374 of emission in the next uplink block.Temporary flow identity symbol 354 is used to illustrate the payload 356 (for example speech data) that needs receiving downlink piece 350,358.Uplink block comprises that also a temporary flow identity accords with field, and it illustrates sender's identity (the temporary flow identity symbol of for example using in real time 364 and the temporary flow identity of non-priority application accord with 376).
The real-time piece of up link comprises a quiet descriptor 368, illustrates that dead time begins. Piece 372 and 380 representatives obsolete of real time communication device in dead time.Communication system is apprised of real time communication device recovery real time communication by receive piece 382 in the time slot of arranging.After last up link non-priority piece 375 of arranging, recover normal real time communication with the real-time piece 384 of up link.
In another one embodiment of the present invention, if wish in the non-priority application process of arranging, to recover real time communication, the piece that does not have to send can be stored in the communicator, send in the piece of An Paiing afterwards.This technology can be introduced a delay, and this delay is proportional to the quantity that is stored in the piece that does not have transmission in the communicator.
Principle of the present invention, preferred embodiment and mode of operation have been described in the front.But the present invention is not limited to specific embodiments discussed above.Although when describing above embodiment at be tdma, those of skill in the art can understand that the present invention can be used for the different agreement of any amount, for example code division multiple access, time division multiple access, time division duplex or the like.So, above-described embodiment should be counted as illustrative and not restrictive, and will be appreciated that those of skill in the art can make amendment and can not depart from the scope of the present invention that following claim provides top embodiment.
Claims (32)
1. the method for an allocate communications resource may further comprise the steps:
The communication resource is exclusively used in real-time application;
Monitor the situation of described real-time application use resource; With
When resource is not used by described real-time application, described resource allocation is used use to non-priority.
2. whether the monitoring step that the process of claim 1 wherein comprises has real-time application in checking first, allocation step wherein comprises that there is dead time in explanation.
3. the method for claim 2, method wherein is further comprising the steps of:
If check that step has not detected real-time application, just use and send one for non-priority; With
Find real-time application is arranged if check step, just send described first.
4. the real-time application that the process of claim 1 wherein is a voice application.
5. it is that short message service is used that the non-priority that the process of claim 1 wherein is used.
6. it is e-mail applications that the non-priority that the process of claim 1 wherein is used.
7. the method for claim 2 wherein illustrates to exist the step of dead time to comprise the step that sends a quiet descriptor.
8. the monitoring step that the process of claim 1 wherein also comprises an active state signal that receives described real-time application.
9. the method for claim 8, signal wherein sends out from codec, and there is a dead time in explanation.
10. the method for claim 8, signal wherein comprises a quiet descriptor.
11. the allocation step that the process of claim 1 wherein is the piece Resources allocation of predetermined quantity.
12. the method for claim 11, wherein the piece of predetermined quantity is less than or equals to represent the quantity of the piece that described real-time application can loss-tolerant.
13. the system of an allocate communications resource comprises:
Monitor first application active state and send the device of a status signal; With
Link to each other with transmitter, respond a switch of described status signal,
If it is movable that described status signal illustrates first application, switch wherein with first use with described transmitter link to each other and
If described status signal illustrates that first application is not movable, switch wherein just links to each other second application with described transmitter.
14. the system of claim 13, device wherein is a codec, and there is dead time in status signal indication wherein.
15. the system of claim 13, signal wherein comprises a quiet descriptor.
16. the system of claim 13, first application wherein is one and uses in real time.
17. the system of claim 13, second application wherein is that a non-priority is used.
18. the system of claim 16, first application wherein is a voice application.
19. the system of claim 16, second application wherein is that a short message service is used.
20. the system of claim 17, second application wherein is an e-mail applications.
21. the system of an allocate communications resource comprises:
The communication resource is exclusively used in first module of real-time application;
Monitor whether described real-time application uses second module of described resource; With
When real-time application is not used described resource, the 3rd module of using used in described resource allocation to non-priority.
22. the system of claim 21, second module wherein comprises the 4th module, is used to check whether first have real-time application, and the 3rd module wherein comprises whether explanation exists a module of dead time.
23. the system of claim 22 also comprises:
If the 4th module detects to exist in real time do not use, just use and send one the 5th module for non-priority; With
If the 4th module determines to exist described real-time application, just send first the 6th module.
24. the system of claim 21, real-time application wherein is a voice application.
25. the system of claim 21, it is that a short message service is used that non-priority is wherein used.
26. the system of claim 21, it is an e-mail applications that non-priority is wherein used.
27. the system of claim 22, wherein whether explanation exists the module of dead time to comprise the module of launching a quiet descriptor.
28. the system of claim 21, second module wherein also comprise a module of the signal that receives the real-time application active state of explanation.
29. the system of claim 28, wherein the module of received signal receives described signal from a codec, illustrates to have dead time.
30. the system of claim 28, signal wherein comprises a quiet descriptor.
31. being predetermined number, the system of claim 21, the 3rd module wherein distribute described resource.
32. the system of claim 31, a wherein predetermined number is less than or equals to represent the number of the lost block that real-time application can tolerate.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14522199P | 1999-07-23 | 1999-07-23 | |
| US60/145,221 | 1999-07-23 | ||
| US60/145221 | 1999-07-23 | ||
| US46864399A | 1999-12-22 | 1999-12-22 | |
| US09/468643 | 1999-12-22 | ||
| US09/468,643 | 1999-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1364391A true CN1364391A (en) | 2002-08-14 |
| CN1137599C CN1137599C (en) | 2004-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008107904A Expired - Fee Related CN1137599C (en) | 1999-07-23 | 2000-06-30 | Multiplexing of real time users and non-priority users EGPRS channels |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1197115A2 (en) |
| CN (1) | CN1137599C (en) |
| AR (1) | AR031523A1 (en) |
| AU (1) | AU6192000A (en) |
| CA (1) | CA2378619A1 (en) |
| WO (1) | WO2001008426A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069221B (en) * | 2003-12-19 | 2010-05-05 | 诺基亚公司 | Codec-assisted capacity enhancement of wireless VOIP |
| CN102523574A (en) * | 2011-12-13 | 2012-06-27 | 华为终端有限公司 | LTE (long term evolution) single-card double-standby multi-mode terminal and CS (circuit switched) service and PS (packet switched) service concurrent processing method thereof |
| CN101810041B (en) * | 2007-08-24 | 2013-09-11 | 上海贝尔股份有限公司 | Method for scheduling resource, network element and user equipment |
| WO2015110071A1 (en) * | 2014-01-26 | 2015-07-30 | 北京睿仁医疗科技有限公司 | Wireless communication method, communication apparatus and communication system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6952454B1 (en) | 2000-03-22 | 2005-10-04 | Qualcomm, Incorporated | Multiplexing of real time services and non-real time services for OFDM systems |
| KR100861878B1 (en) * | 2000-07-12 | 2008-10-09 | 퀄컴 인코포레이티드 | Multiplexing of real time services and non-real time services for ofdm systems |
| EP1435745A1 (en) * | 2002-12-31 | 2004-07-07 | Motorola Inc. | Method and apparatus for communication channel allocation |
| EP1463246A1 (en) * | 2003-03-27 | 2004-09-29 | Motorola Inc. | Communication of conversational data between terminals over a radio link |
| US8351415B2 (en) | 2006-12-29 | 2013-01-08 | France Telecom | Dynamic time interleaving method and an associated device |
| WO2015000169A1 (en) * | 2013-07-05 | 2015-01-08 | Qualcomm Incorporated | Coordination of voip and wireless network processing |
| US10091115B2 (en) | 2016-03-23 | 2018-10-02 | Apple Inc. | Handling voice and non-voice data under uplink limited conditions |
| CN115396827B (en) * | 2021-05-24 | 2024-01-30 | 成都鼎桥通信技术有限公司 | Information processing method, apparatus, device, storage medium, and program product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB8917452D0 (en) * | 1989-07-31 | 1989-09-13 | Telecom Sec Cellular Radio Ltd | Cellular radio system |
| US5533019A (en) * | 1994-01-31 | 1996-07-02 | Motorola, Inc. | Packet data in an analog cellular radiotelephone system |
| FI103700B (en) * | 1994-09-20 | 1999-08-13 | Nokia Mobile Phones Ltd | Simultaneous transmission of voice and data in mobile telecommunication systems |
| FI105306B (en) * | 1997-06-10 | 2000-07-14 | Nokia Networks Oy | Radio |
-
2000
- 2000-06-30 AU AU61920/00A patent/AU6192000A/en not_active Abandoned
- 2000-06-30 CA CA002378619A patent/CA2378619A1/en not_active Abandoned
- 2000-06-30 WO PCT/SE2000/001399 patent/WO2001008426A2/en active Search and Examination
- 2000-06-30 CN CNB008107904A patent/CN1137599C/en not_active Expired - Fee Related
- 2000-06-30 EP EP00948439A patent/EP1197115A2/en not_active Withdrawn
- 2000-07-19 AR ARP000103723A patent/AR031523A1/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069221B (en) * | 2003-12-19 | 2010-05-05 | 诺基亚公司 | Codec-assisted capacity enhancement of wireless VOIP |
| CN101810041B (en) * | 2007-08-24 | 2013-09-11 | 上海贝尔股份有限公司 | Method for scheduling resource, network element and user equipment |
| CN102523574A (en) * | 2011-12-13 | 2012-06-27 | 华为终端有限公司 | LTE (long term evolution) single-card double-standby multi-mode terminal and CS (circuit switched) service and PS (packet switched) service concurrent processing method thereof |
| WO2013086978A1 (en) * | 2011-12-13 | 2013-06-20 | 华为终端有限公司 | Lte single-card dual-standby multi-mode terminal and method for processing cs service and ps service concurrency thereof |
| CN102523574B (en) * | 2011-12-13 | 2015-03-18 | 华为终端有限公司 | LTE (long term evolution) single-card double-standby multi-mode terminal and CS (circuit switched) service and PS (packet switched) service concurrent processing method thereof |
| US9282569B2 (en) | 2011-12-13 | 2016-03-08 | Huawei Device Co., Ltd. | LTE single-card dual-standby multi-mode terminal and method for processing concurrency of its CS service and PS service |
| WO2015110071A1 (en) * | 2014-01-26 | 2015-07-30 | 北京睿仁医疗科技有限公司 | Wireless communication method, communication apparatus and communication system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1197115A2 (en) | 2002-04-17 |
| WO2001008426A2 (en) | 2001-02-01 |
| AR031523A1 (en) | 2003-09-24 |
| WO2001008426A3 (en) | 2001-08-09 |
| CN1137599C (en) | 2004-02-04 |
| CA2378619A1 (en) | 2001-02-01 |
| AU6192000A (en) | 2001-02-13 |
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