CN103875261B - It is a kind of to be used to indicate the method, apparatus of the ending of data flow and computer-readable medium using in-band signaling - Google Patents

Abstract

Present disclosure is directed to use with in-band signaling to indicate or detect data flow（507；607；617）Ending.One embodiment is sent（710；720；860）The data flow, the data flow include multiple groupings, and each grouping in the multiple grouping includes the header with mark bit field and payload and configuration（714；850）The mark bit field and/or the payload of at least one grouping in the multiple grouping, to indicate the ending of the data flow, wherein, configuring the payload includes reducing the data volume being included in the payload and/or the field to count down for setting the last grouping for being used to indicate the data flow in the payload according to the payload of other groupings of the multiple grouping.One embodiment receives（732；810）Data flow and detection（734；744；820）At least one grouping in multiple groupings is configured as the ending of instruction data flow.

Description

It is a kind of be used for using in-band signaling come indicate the method, apparatus of the ending of data flow and Computer-readable medium

It is claimed priority based on 35U.S.C. § 119

Patent application claims are in " the IN-BAND SIGNALING TO submitting, entitled on the 26th of August in 2011 The provisional application No.61/527,968's of INDICATE END OF DATA STREAM AND UPDATE USER CONTEXT " Priority, which is assigned to present assignee, therefore is expressly incorporated herein by reference.

Technical field

The embodiment of the present invention is related to the incoming data stream for being used to indicate real-time or near real-time in ending and user Hereafter newer in-band signaling.

Background technology

Wireless communication system has already been through the development in several generations, including first generation analog wireless telephone service (1G), Two generations (2G) digital wireless phone service (2.5G the and 2.75G networks including transition) and the third generation (3G) high-speed data/have The wireless service of the Internet capability.It is being used at present there are many different types of wireless communication system, including honeycomb and individual Communication service (PCS) system.The example of known cellular system include the improved mobile telephone system of cellular analog (AMPS) and The whole world based on CDMA (CDMA), frequency division multiple access (FDMA), the Digital Cellular System of time division multiple acess (TDMA), TDMA is mobile Access system (GSM) deforms and the newer hybrid digital communication system using both technologies of TDMA and CDMA.

Method for providing cdma mobile communication is entitled in the U.S. by telecommunications industry association/electronic industries association “Mobile Station-Base Station Compatibility Standard for Dual-Mode Wideband Spread Spectrum Cellular System's (movement station-Base Station Compatibility Standard of dual mode wideband spread spectrum cellular) " TIA/EIA/IS-95-A (referred to herein as IS-95) Plays.Combination is described in TIA/EIA standards IS-98 AMPS and cdma system.2000/ Universal Mobile Telecommunications System of IMT-2000/UM or international mobile telecommunication system, cover by Referred to as in wideband CDMA (W-CDMA), CDMA2000 (such as standard of CDMA2000 1xEV-DO) or the standard of TD-SCDMA Describe other communication systems.

In W-CDMA wireless communication systems, user equipment (UE) is neighbouring or around the specific geographical area of base station from supporting Interior communication link or the fixed position node B (also referred to as cell site or cell) of service receive signal.Node B is provided (it is typically used supports the association based on standard the Internet engineering task force (IETF) to access net (AN)/wireless access network (RAN) The packet data network of view, these agreements support be used for based on service quality (QoS) requirement come the method for differentiated service) entrance Point.Therefore, node B is usually interacted by air interface and UE, and passes through Internet protocol (IP) network data packets It is interacted with RAN.

In a wireless communication system, push-to-talk (PTT) ability is popular in service department and consumption.PTT can be with Support " scheduling " voice of operation on normal business radio infrastructure (W-CDMA, CDMA, FDMA, TDMA, GSM etc.) Service.In scheduling model, the communication between endpoint (for example, UE) is happened in virtual group, wherein, the sound of one " talker " Sound is sent to one or more " listeners ".One example of the type communication is commonly known as dispatch call or abbreviation It is called for PTT.PTT callings are the instantiations of group, which define the characteristic of calling.Group by members list and is associated in itself Information (such as group name or group mark) define.

At the end of data flow, using (it, which receives one or more incoming data streams (for example, audio, video etc.), needs Update user's context.Some applications may have for newer (for example, minimum delay) demand in real time of user's context, because This, these are using the accurate and instant knowledge for needing when to terminate on data flow.Traditionally, in the business sluggish period Afterwards, it may infer that the ending of data flow or can come via the use of out-of-band signalling (for example, via " ending " signal) bright Really indicate the ending of data flow.In general, out-of-band signalling can postpone and can be more complicated for realization.In addition, by Be used to indicate the out-of-band signalling of the ending of data flow can reach too early in " ending " signal or too late in the case of in the time Leaving gap, this causes that truncated possibility (if for example, " ending " signal reaches early) will be flowed or permits stream in starvation Continue (if for example, " ending " signal reaches late, so that RTP packets stop reaching, but there is no user in pattern Updating context).

In addition, the use of inactivity timer is included in the situation for being not received by streaming grouping associated with data flow Under user's context is updated after threshold time period.Infer that session ending can be highly difficult based on inactivity timer, because not Active time must adapt to temporary network interruption and the stream of reality terminates, and single timer value is impossible to be suitble to Both of these case.

The content of the invention

One embodiment in the present disclosure is directed to use with in-band signaling to indicate the ending of data flow.One embodiment is sent out The data flow is sent, the data flow includes multiple groupings, and each grouping in the multiple grouping includes having marker bit word The header and payload of section and the mark bit field of at least one grouping in the multiple grouping of configuration and/or The payload, to indicate the ending of the data flow, wherein, configuring the payload includes：According to the multiple point The payload of other groupings of group reduces the data volume that is included in the payload and/or in the payload The field to count down for the last grouping for being used to indicate the data flow is set.

One embodiment in the present disclosure is directed to use with in-band signaling to detect the ending of data flow.One embodiment connects The data flow is received, the data flow includes multiple groupings, and each grouping in the multiple grouping includes having marker bit word At least one grouping in the header and payload of section and the multiple grouping of detection is configured as indicating the data flow Ending, wherein, the detection includes：The mark bit field for detecting at least one grouping is configured as described in instruction The ending of data flow, the payload of at least one grouping are included less than other groupings in the multiple grouping The data volume of payload and/or the payload of at least one grouping include being used to indicate the data flow Last grouping the field to count down.

According to the following specific implementation, claims and attached drawing, the applicability of described method and apparatus Further scope will become obvious.Because to those skilled in the art, in the spirit and scope of this specification Variations and modifications will become obvious, so when indicating the specific example of present disclosure and claims, Specific embodiment and specific example are only provided by way of explanation.

Description of the drawings

When considered in conjunction with the accompanying drawings, by reference to following specific embodiment, will be readily available and more preferable geographical Solve the embodiment of the present invention more complete understanding and its it is many with the advantages of, attached drawing is presented and is only used for saying the present invention Bright rather than limitation, and wherein：

Fig. 1 is the support access terminal of at least one embodiment according to the present invention and the wireless network architecture of access net Schematic diagram.

Fig. 2A shows the core net of Fig. 1 according to an embodiment of the invention.

Fig. 2 B show the core net of Fig. 1 according to another embodiment of the invention.

Fig. 2 C illustrate in greater detail the example of the wireless communication system of Fig. 1.

Fig. 3 is the explanation of the access terminal of at least one embodiment according to the present invention.

Fig. 4 is the in-band signaling of the ending for being used to indicate incoming data stream of at least one embodiment according to the present invention Explanation.

Fig. 5 is indicated for the explanation of traditional out-of-band signalling of the ending of incoming data stream.

Fig. 6 shows example of the tool there are two the in-band signaling of afferent stream of at least one embodiment according to the present invention.

Fig. 7 A-7B show the example of the in-band signaling with server detection marker bit.

Fig. 8 shows the example for generating in-band signaling when detecting the endings of media/right to speak release at server.

Fig. 9 shows the communication equipment of the logic unit including being configured as perform function.

Specific embodiment

Various aspects of the invention are disclosed in the description and relevant drawings being related to below specific embodiment.It can be with Alternative embodiment is designed without departing from the scope of the present invention.In addition, it will not be described in detail further or will omit real The well-known elements of example are applied in order to avoid obscuring the correlative detail of embodiment.

Word " exemplary " used herein and/or " example " mean " as an example, example or illustration ".Quilt herein Any embodiment for being described as " exemplary " and/or " example " is not necessarily to be construed as preferred or more has than other embodiments Advantage.Equally, term " the embodiment of the present invention " be not required for all embodiments include discussed feature, advantage or Operation mode.

In addition, many embodiments are described according to the order for the action to be performed by the unit of such as computing device. It will be recognized that various actions described herein can by specific circuit (for example, application-specific integrated circuit (ASIC)), by The program instruction or performed by combination that one or more processors perform.Furthermore, it is possible to think described herein These action sequences be embodied in completely in any form of computer readable storage medium, computer readable storage medium has The set for the corresponding computer instruction being stored therein, the computer instruction can cause associated processor to hold upon execution Row functionality described herein.Therefore, the various aspects of these embodiments can be presented as many different forms, all these Form has all been intended to fall within the scope of theme claimed.In addition, in embodiment described herein Each embodiment, the corresponding form of any such embodiment can be described herein as, for example, " being configured as performing and be retouched The logic unit for the action stated ".

High data rate (HDR) subscriber station (referred to herein as user equipment (UE)) can be mobile or fixed And can communicate with one or more access points (AP) (it can be referred to as node B).UE passes through in node B One or more node B send and receive packet to radio network controller (RNC).Node B and RNC are known as wirelessly Access the part of the network of net (RAN).Wireless access network can transmit voice-and-data grouping between multiple access terminals.

Wireless access network may be also connected to the additional network outside wireless access network, and such core network includes and spy Determine the relevant server of carrier wave and equipment and to other networks (such as intranet, internet, public switch telephone network (PSTN), service universal grouping wireless service (GPRS) supporting node (SGSN), Gateway GPRS Support Node (GGSN)) company It connects and voice-and-data grouping can be transmitted between each UE and such network.It has been set up and one or more The UE of the active traffic channel connection of node B can be referred to as movable UE and can be referred to as in service condition.It is in The UE during active traffic channel (TCH) is connected is established with one or more node B can be referred to as establishing in connection In state.UE can be by wireless channel or any data equipment to be communicated by wire channel.UE can also be more The equipment of any one of type equipment type includes but not limited to PC cards, compact flash equipment, outside or inside modulation Demodulator or mobile or fixed line telephone.The communication link that UE sends signal by it to node B is referred to as uplink channel (for example, reverse traffic channel, control channel, access channel etc.).The communication link that node B sends signal by it to UE is claimed For downlink channel (for example, paging channel, control channel, broadcast channel, forward traffic channel etc.).As used herein , term Traffic Channel (TCH) can refer to uplink/reversed or downlink/forward traffic channel.

Fig. 1 shows the block diagram of an exemplary embodiment of the wireless communication system 100 according at least one embodiment. System 100 can be included across air interface 104 with accessing UE that net or wireless access network (RAN) 120 communicate (such as honeycomb Phone 102), the network equipment can be connected to by access terminal 102 by accessing net or wireless access network (RAN) 120, provided and be grouped Data between switched data network (for example, Intranet, internet and/or core net 126) and UE 102,108,110,112 Connection.As shown here, UE can be cellular phone 102, personal digital assistant 108, (it is depicted herein as pager 110 Two-way text pager) or even have wireless communication portal individual computer platform 112.Therefore, each implementation Example can realize that in any type of access terminal these access terminals include wireless communication portal or with channel radio Letter ability, include but not limited to radio modem, pcmcia card, personal computer, phone or any combination thereof or subgroup It closes.In addition, as used herein, term " UE " can be by interchangeably in other communication protocols (that is, except W-CDMA) Referred to as " access terminal ", " AT ", " wireless device ", " client device ", " mobile terminal ", " movement station " and its deformation.

Referring back to Fig. 1, the correlation of the component of wireless communication system 100 and the element of exemplary embodiment is not limited to Shown configuration.System 100 is exemplary only and can include allowing long-range UE (such as wireless client is calculated and set Standby 102,108,110,112) in the air between each other and/or via air interface 104 and the component of the connections of RAN 120 it Between any system for communicating, include but not limited to core net 126, internet, PSTN, SGSN, GGSN and/or other long-range Server.

RAN 120 controls the message (being sent usually as packet) for being sent to RNC 122.RNC 122 is responsible for taking Be engaged in transmitting signal between general packet radio service (GPRS) supporting node (SGSN) and UE 102/108/110/112, establish and Remove Bearer Channel (that is, data channel).If enabling link layer encryption, RNC 122 is also forwarded by air interface 104 It is encrypted before content.The function of RNC 122 is well known in the present art and for simplicity no longer into one Step discusses.Core net 126 can be communicated by network (internet and/or public switch telephone network (PSTN)) with RNC 122.It can Alternatively, RNC 122 can be directly connected to internet or external network.In general, the net between core net 126 and RNC 122 Network or Internet connection transmission data and PSTN transmission voice messagings.RNC 122 may be coupled to multiple node B 124.With With to 126 similar mode of core net, RNC 122 is usually connected to node B 124 by network (internet and/or PSTN) and uses In data transmission and/or voice messaging.Node B 124 can be wirelessly to UE (such as cellular phone 102) broadcast data messages. As it is known in the art, node B 124, RNC 122 and other components can form RAN 120.However, it is also possible to using replacing The configuration and each embodiment changed are not limited to shown configuration.For example, in another embodiment, RNC 122 and section The function of one or more of point B 124 node B, which can be compressed into, has the function of both RNC's 122 and node B 124 Single " mixing " module.

Fig. 2A shows the core net 126 according to one embodiment.Specifically, Fig. 2A is shown in W-CDMA system The component of general packet radio service (GPRS) core net of realization.In the embodiment of Fig. 2A, core net 126 includes service GPRS Support Node (SGSN) 160, Gateway GPRS Support Node (GGSN) 165 and internet 175.It should be understood, however, that It is that in alternate embodiments, the part of internet 175 and/or other components can be positioned at the outsides of core net.

It puts it briefly, GPRS is to be used to send Internet protocol used in global system for mobile communications (GSM) phone (IP) agreement of grouping.GPRS core nets (for example, GGSN 165 and one or more SGSN 160) are the concentrations of gprs system Part and support to the 3G network based on W-CDMA is also provided.GPRS core nets are the integrated parts of GSM core nets, It provides mobile management, session management and the transmission to IP packet services in GSM and W-CDMA networks.

GPRS Tunnel Protocol (GTP) is the IP agreement of the definition of GPRS core nets.GTP is this agreement：It allow GSM or Terminal user's (for example, access terminal) of person's W-CDMA networks is moved to another place from one place and continues to be connected to mutually Networking seemingly comes from a position at GGSN 165.This, which is realized, passes the data of user from the current SGSN 160 of user GGSN 165 is defeated by, the GGSN 165 handles the session of user.

GPRS core nets use the GTP of three kinds of forms；That is, (I) GTP-U, (II) GTP-C and (III) GTP'(GTP are main). GTP-U is directed to the user data of each packet data protocol (PDP) context for being transmitted in separated tunnel.GTP-C is used In control signaling (for example, establishing and deleting PDP Context, verification GSN reaches ability, is for example moved when from user from a SGSN Update or modification when moving another SGSN etc.).GTP' is used to transmit the metering data from GSN to billing function.

It is used as with reference to figure 2A, GGSN 165 between GPRS backbone networks (not shown) and external packet data networks 175 Interface.In GGSN 165 associated packet data protocol (PDP) form is extracted from the GPRS groupings from SGSN 160 It the grouped data of (such as IP or PPP) and is sent out being grouped on corresponding packet data network.In another direction On, incoming packet is directed to SGSN 160 by GGSN 165, and SGSN 160 manages and control the mesh serviced by RAN 120 Ground UE radio access bearer (RAB).Therefore, GGSN 165 deposits the current SGSN address of target UE and his/her profile Storage is in its location register (for example, in PDP Context).GGSN is responsible for IP address distribution and is connected UE Default route.GGSN also performs certification and billing function.

In one example, SGSN 160 represents a SGSN in multiple SGSN in core net 126.Each SGSN is born Blame in associated geographic service area transmission from the packet of going to UE.The task of SGSN 160 includes：Grouping Routing and transmission, mobile management (for example, attachment/separation and location management), Logical Link Management and certification and charging work( Energy.The location register storage location information (for example, current area, current VLR) of SGSN and owning to the registrations of SGSN 160 The user profiles (for example, the IMSI used in packet data network, pdp address) of GPRS user, for example, in each user or In one or more PDP Contexts of UE.Therefore, SGSN is responsible for (i) by the downlink GTP grouping progress from GGSN 165 Tunnel is gone, (ii) is grouped to the uplink Tunnel IP of GGSN 165, and (iii) is when UE is moved between SGSN coverages It performs mobile management and (iv) and charging is carried out to mobile subscriber.As those of ordinary skill in the art are readily apparent that, except (i) outside-(iv), compared with being arranged to the SGSN of W-CDMA networks, the SGSN tools of GSM/EDGE networks are arranged to There is slightly different function.

RAN 120 (for example, or UTRAN in Universal Mobile Telecommunications System (UMTS) system architecture) is via wireless access network Application obscure portions (RANAP) agreement communicates with SGSN 160.RANAP passes through Iu interfaces using the transport protocol of such as frame relay or IP (Iu-PS) operated.Via gn interface, (it is in SGSN 160 and other SGSN (not shown) and inside to SGSN 160 IP-based interface between GGSN) it communicates with GGSN 165 and using GTP agreements defined above (for example, GTP-U, GTP- C, GTP' etc.).In the embodiment of Fig. 2A, Gn carryings both GTP-C and GTP-U between SGSN 160 and GGSN 165.Though It does not show in fig. 2 so, but domain name system (DNS) also uses gn interface.GGSN 165 is connected to public data network (PDN) It (not shown) and is then connected to using IP agreement via Gi interfaces directly or through Wireless Application Protocol (WAP) gateway Internet 175.

Fig. 2 B show the core net 126 according to another embodiment.Except Fig. 2 B show the reality of direct tunnelling function Outside existing mode, Fig. 2 B are similar with Fig. 2A.

Direct tunnel is the optional function in Iu patterns, allow SGSN 160 packet switch (PS) domain in RAN with End user's Plane tunnel is established between GGSN.It, can be every no matter whether SGSN can be connected using end user's plane Configuration can carry out the direct tunnel of SGSN (SGSN 160 in such as Fig. 2 B) on the basis of a GGSN and each RNC.In Fig. 2 B SGSN 160 handle control plane signaling and be made as to when to establish the decision in direct tunnel.When distribution is for PDP Context Radio bearer (RAB) when being released (that is, PDP Context is retained), established between GGSN 165 and SGSN 160 GTP-U tunnels, so as to handle downlink packets.

The optional direct tunnel (I) between SGSN 160 and GGSN 165 is generally not allowed in a case where unrestrained In the case of trip (for example, because SGSN need to know that GGSN is in identical or different PLMN), (ii) in SGSN Determine through being had received from attaching position register (HLR) in user profiles for mobile enhanced logic (CAMEL) customized information In the case of the application of system and/or (iii) be not in the case where GGSN 165 supports GTP protocol versions 1.It is limited for CAMEL, If establish direct tunnel, then there can not possibly be the amount report from SGSN 160, because SGSN 160 no longer has user The visibility of plane.Therefore, because CAMEL servers can calling amount be reported at any time during the life cycle of PDP Context, So for the user that its profile includes CAMEL customized informations, the use in direct tunnel is forbidden.

SGSN 160 can be in grouping mobile management (PMM) discrete state, PMM- idle states or PMM connection status It is operated.In one example, the GTP- connections for direct tunnelling function as shown in Figure 2 B can be established, thus SGSN 160, which is in PMM connection status and receives the Iu connections from UE, establishes request.SGSN 160 ensures new Iu connections Connected with existing Iu be for it is identical UE's and if such, then SGSN 160 handle new request and Discharge existing Iu connections and all RAB associated there.It is pin in order to ensure new Iu connections are connected with existing Iu To identical UE, SGSN 160 can perform security functions.If establish the direct tunnel for UE, then connect in Iu It connects foundation to ask in the case of being only used for signaling, SGSN 160 sends newer PDP Context to associated GGSN 165 please It asks, to establish GTP tunnel between SGSN 160 and GGSN 165.It is the situation for data transmission to establish request in Iu connections Under, SGSN 160 can establish new direct tunnel and send newer PDP Context to associated GGSN 165 immediately Request and address, the downlink tunnel endpoint identifier for data (TEID) of the RNC including being directed to user plane.

When UE receives the RRC connection release message with reason " orientation signaling connection rebuilding ", even if Routing Area It has not changed since last time update change, UE is also immediately performed Route Area when into PMM-IDLE (free time) state Area update (RAU) process.In one example, when RNC due to lack Iur connections (for example, with reference to TS25.331 [52]) without Serving RNC can be contacted come when verifying UE, RNC will send the RRC connection release message with reason " orientation signaling connection rebuilding ". After RAU processes successfully complete, UE performs subsequent service request procedure, and the user data to be sent has been hung up to work as UE When re-establish radio access bearer.

PDP Context is in data structure present on 165 the two of SGSN 160 and GGSN, when UE has activity During GPRS session, PDP Context includes the communication session information of specific UE.When UE wishes to initiate GPRS communication sessions, UE SGSN 160 must be first attach to, then activation and the PDP Context of GGSN 165.This is currently accessing in user PDP Context data structure is distributed in SGSN 160 and the GGSN 165 for the access point service for being UE.

Fig. 2 C illustrate in greater detail the example of the wireless communication system 100 of Fig. 1.Specifically, with reference to figure 2C, UE 1 ... ... N is shown connected to the RAN 120 in the position by different packet data network endpoint services.The explanation of Fig. 2 C Specifically for W-CDMA system and term, it is to be understood that how Fig. 2 C can be changed to meet 1x EV-DO systems.Correspondingly, UE 1 and UE 3 be connected to by the first packet data network endpoint 162 (for example, it can be with SGSN, GGSN, PDSN, ownership It is corresponding to act on behalf of (HA), Foreign Agent etc.) RAN 120 at the part of service.First packet data network endpoint 162 and then warp Internet 175 is connected to by routing unit 188 and/or is connected to one or more of following server：Certification, mandate and meter Take (AAA) server 182, setting server 184, Internet protocol (IP) IP multimedia subsystem, IMS (IMS)/Session initiation Protocol (SIP) registrar 186 and/or application server 170.UE 2 and UE 5 ... N are connected to by second packet data network RAN 120 at the part of network endpoint 164 (for example, it can be corresponding with SGSN, GGSN, PDSN, FA, HA etc.) service.Class It is similar to the first packet data network endpoint 162, second packet data network endpoint 164 and then is connected to via routing unit 188 Internet 175 and/or it is connected to one or more of following server：Aaa server 182, setting server 184, IMS/ SIP registrar server 186 and/or application server 170.UE 4 is connected directly to internet 175 and then by because of spy Net 175 may be coupled to any system component in above system component.

Be illustrated as wireless phone with reference to Fig. 2 C, UE 1, UE 3 and UE 5 ... N, UE 2 be illustrated as wireless flat PC and UE 4 is illustrated as wired desktop station.However, in other embodiments, it will be apparent that, wireless communication system 100 may be coupled to The example shown in any kind of UE and Fig. 2 C is not intended to limit the type for the UE that can be realized in system.In addition, Although AAA 182, setting server 184, IMS/SIP registrar 186 and application server 170 are each shown as dividing in structure On the server opened, but one or more of these servers server can be merged at least one embodiment.

In addition, with reference to Fig. 2 C, application server 170 is shown as including multiple media control association (MCC) 1 ... N 170B and multiple regions scheduler 1 ... N 170A.Regional dispatcher 170A and MCC 170B are collectively included in application server In 170, application server 170 can be corresponding with the distributed network of server at least one embodiment, the server Distributed network jointly operated in wireless communication system 100 arbitration communication session (for example, via IP unicast and/or The semi-duplex group communication session of ip multicast agreement).For example, because of the communication session arbitrated by application server 170 theoretically It can occur between the UE of any position in system 100, so distributing multiple regions distributor 170A and MCC to subtract Few stand-by period for the communication session through arbitration is not (for example, so that the MCC in North America joins in the session positioned at China Media are relayed back and forth between person).Therefore, when referring to application server 170, it will be apparent that, associated work( Energy can be by one or more of one or more of extent allocator 170A extent allocator and/or MCC 170B MCC To perform.Extent allocator 170A is generally responsible for any function related with establishing communication session (for example, the letter between processing UE Message is made, dispatches and/or sends a notification message), and MCC 170B are responsible in call instance duration trustship communication session, It includes signaling and the actual exchange of media in being called during the communication session through arbitration.

With reference to Fig. 3, the UE 200 (being wireless device here) of such as cellular phone has platform 202, can receive and Perform from RAN 120 send may finally be from the soft of core net 126, internet and/or other remote servers and network Part application, data and/or order.Platform 202 can include transceiver 206, be operatively coupled to application-specific integrated circuit (" ASIC " 208) or other processors, microprocessor, logic circuit or other data processing equipments.ASIC 208 or other places It manages device and performs 210 layers of Application Programming Interface (" API "), be connected with any resident program in the memory 212 of wireless device. Memory 212 can include read-only or random access memory (RAM and ROM), EEPROM, flash card or computer platform is come Say common any memory.Platform 202 can also include local data base 214, can accommodate and not store actively The application used in device 212.Local data base 214 is usually flash cell but it is also possible to be as known in the art any auxiliary Secondary storage device (magnetic medium, EEPROM, optical medium, tape, floppy disk or hard disk etc..It is as it is known in the art, interior Platform 202 component in portion's can also be operatively coupled to such as antenna 222, display 224, push-to-talk button 228 and button 226 etc. external equipment.

Correspondingly, embodiment can include having the function of the UE for performing ability described herein.In this field Technical staff be readily apparent that, software module that various logic element can be embodied in discrete element, perform on a processor Or in any combination of software and hardware, to realize function disclosed herein.For example, ASIC 208, memory 212, API 210 and local data base 214 can be provided commonly for loading, the in-band signaling that stores and executes as disclosed herein applies 250 Various functions and be accordingly used in performing the logic units of these functions and can be distributed on each element.Alternatively, can be with Function is incorporated in a discrete assembly.Therefore, to think that the feature of the UE 200 in Fig. 3 is merely exemplary and each Embodiment is not limited to shown feature or arrangement.

Wireless communication between UE 102 or 200 and RAN 120 can be based on different technologies, such as CDMA (CDMA), W-CDMA, time division multiple acess (TDMA), frequency division multiple access (FDMA), Orthogonal Frequency Division Multiplexing (OFDM), global mobile communication system System (GSM) or the other agreements that can be used in cordless communication network or data communication network.For example, in W-CDMA, number According to communication usually between client device 102, node B 124 and RNC 122.RNC 122 may be coupled to such as core net 126th, multiple data networks of PSTN, internet, Virtual Private Network, SGSN, GGSN or the like, so as to allow UE 102 or 200 Access wider array of communication network.As discussed earlier with it is as known in the art, can use multiple network and configuration from RAN to UE Send voice transfer and/or data.Therefore, description provided herein, which is not intended to, limits each embodiment, but Only for assisting the description to the aspect of embodiment.

Can via use the packet of real-time transport protocol (RTP) in above-mentioned communication network any one communication Multimedia is exchanged on network.RTP support a series of multimedia forms (H.264, MPEG-4, MJPEG, MPEG etc.) and Permission adds format on the premise of RTP standards are not changed.The example of the header portion of 40 eight bit byte expense RTP groupings It can be configured as follows：

Table 1：The example of RTP packet headers

With reference to table 1, the universal field of RTP packet headers part is as known in the art.After RTP header portions, RTP groupings include data payload portions.Data payload portions can include voice and/or the digitlization of video is adopted Sample.The length of data payload can be directed to different RTP groupings and change.For example, in voice RTP groupings, by counting The length of the speech sample carried according to payload can be corresponding with the sound of 20 milliseconds (ms).Typically for longer matchmaker For the body duration (for example, frame of higher rate), data payload must be also longer, otherwise the quality meeting of media sample It reduces.

In general, RTP transmitters capture multi-medium data (for example, user from RTP transmitters), then the multimedia number According to be encoded, framing and as with reasonable time stamp and incremental sequence number RTP grouping sent.It can be via The server that session between RTP transmitters and receiver is arbitrated is sent to the RTP sent by RTP transmitters groupings Target RTP equipment (or RTP receivers) directly sends RTP receptions to via reciprocity (P2P) agreement from RTP transmitters Machine.RTP receivers receive RTP groupings, the grouping of detection missing and the rearrangement that can perform grouping.According to payload format pair Frame is decoded and is supplied to the user of RTP receivers.

Fig. 4 shows the process that the communication based on RTP is terminated according to embodiment.With reference to Fig. 4, equipment 401 is (for example, such as The UE of above-mentioned UE 200) by audio recording into frame buffer 402, frame buffer 402 includes the frame 110-113 of voice data. Voice data from frame buffer 402 is formatted into payload (in Fig. 4, these frames of one or more RTP groupings It is illustrated as a part for the payload of RTP groupings 9) and sent during audio transmission (or stream).In audio transmission Ending at, the user of device A 401 can indicate the ending of audio transmission or stream (for example, by discharging PTT button for certain 403).This will cause to want setting flag position (MB) 404 in real-time transport protocol (RTP) header of grouping 9.MB 404 is known RTP header fields, but traditionally be not used in instruction data flow ending.In fact, MB 404 is generally used to indicate that stream or prominent The beginning (rather than ending) so spoken.In addition, grouping 9 includes table of contents (TOC) and audio payload (frame 110- 113).In the illustrated example it should be noted that grouping 9 is a part for the stream for being grouped 407, grouping 407 includes grouping 7,8 With 9 in each frame in streaming audio data.In the example shown in this, grouping 7 and 8 be respectively provided with RTP headers, TOC and 6 Frame (being respectively frame 98-103 and frame 104-109).Due to truncated audio transmission, only there are four frames for grouping 9.However, in stream 407 Last grouping can have 0-6 frame, in this example, this is because the ending of audio transmission is likely to appear in arbitrary position Put place.In addition, it will be clear that, because any amount of frame can be used, therefore each embodiment is not only restricted to each grouping The binding factor of 6 frames.It is how many no matter to include the quantity of frame in the last grouping of audio transmission, and last is grouped in RTP Header includes marker bit, to indicate the ending of audio transmission for certain.Although in addition, it make use of MB in the fig. 4 embodiment 404 are used to indicate the ending of data flow (or audio transmission), it is to be understood that, in other embodiments, it can be utilized Its RTP header fields is for the purpose.

Media Stream 407 can optionally pass through server (for example, application server 170) and be delayed in network layer Punching and/or rearrangement.Further, since path delay, routing issue, network congestion etc., it may occur however that the network weight on passive meaning Arrange 420 (for example, sequences of packets is overturned).Network resets 420 and makes it difficult to determine when the real ending of stream occurs.Each reality The real ending of stream can be more easily detected by applying example.Specifically, the part as debounce/reorder buffer, it is out of order The marker bit grouping of transmission will automatically " rearrangement ", it is meant that it will export/handle with the order of transmission, some are outer in band It is not easily achieved in the case of signaling.

However, whether to being grouped into row buffering and/or rearrangement at network, will delay at equipment B 411 in debounce Receiving stream 407 and if necessary is rushed in device 408, convection current 407 is reset into row buffering and optionally.Then in equipment B Place plays frame and equipment B is in state 409, and device A is being talked and in PTT contexts with speech in state 409 Power.Afterwards, frame 113 is played, due to being provided with marker bit in the RTP headers of grouping 9, equipment B will be informed for certain The stream is over.Then equipment B one can immediately notice that right to speak is that open (410) (are set for example, can be used for coming from now The audio transmission of standby B or other equipment), outside the band without waiting the right to speak availability from application server 170 Signaling indicates.It will be clear that by using in-band signaling, the ending of stream and right to speak state can be updated immediately, without Delay is generated due to waiting out-of-band signalling.It is to be noted, however, that from the viewpoint of local, right to speak will be " open ", because if not in monitoring in-band signaling, then server may be not yet informed to (to be provided in following paragraph Additional discussion on this aspect).

In another aspect, it is missed the band for being lost with marker bit and therefore flowing indicator to solve grouping 9 The interior possibility being also missed that ends up can send the RTP groupings of the configurable number including marker bit, be referred to increasing receiving stream Show the possibility of the interior ending (for example, marker bit) of band of symbol.Have for example, last N number of RTP groupings of audio transmission can carry It is set to indicate that the MB 404 of the marker bit of the ending of audio transmission (or stream).It in other examples, can be in last essence Property RTP groupings after send the RTP groupings (that is, audio payload data for empty) of N number of " sky ", to ensure target device Know that the user of device A stopped speech.

In another aspect, it is missed the band for being lost with marker bit and therefore flowing indicator to solve grouping 9 The interior possibility being also missed that ends up, last several groupings of data flow, which can be configured as, counts down to last grouping.When When user discharges PTT button, still there may be the grouping of buffering at equipment 401.These groupings can be configured as effective There is the field or byte of " counting down " for being used to indicate grouping to the end in load or header extension.It is used for example it is assumed that working as When family discharges PTT button, grouping 7-9 is buffered still at device A 401, then can be arranged to the field being grouped in 7 " 3 " To indicate that there are three groupings in this stream.Alternatively, the field being grouped in 7 can be arranged to " 2 " to indicate in last grouping There are two groupings before.Likewise it is possible to the field being grouped in 8 is arranged to " 2 " or " 1 ".It can be using grouping 9 (as last Grouping) in field be arranged to " 1 " or " 0 ".Alternatively, grouping 9 can not include as the field of grouping 7,8, but as herein Discussed in, there is the setting of its marker bit or special payload.It is that audio effectively carries to pay attention to the field in payload Field in lotus rather than the field in the payload of individual stream ending grouping.

Because several groupings at data flow ending are configured as counting down to last grouping, as long as intended recipient To at least one grouping in these groupings, it will determine which grouping is or should be last grouping.It is for example, false Locking equipment B 411 is used for receiving to each grouping 120ms, if equipment B 411 has received grouping 7 in 240ms but do not connect Contracture group 8 and 9, then it will be appreciated by it need not wait grouping 10 always, because grouping 9 is last grouping.It can on the contrary To be immediately switched to another incoming stream (if there is another incoming stream).

Although Fig. 4 is described around voice data is sent, it is evident that in addition device A 401 can be Ground alternatively records and sends video and/or opaque data (for example, the user interface across device A 401 carries out movement The x-y coordinate of pointer).In this case, frame 98-103,104-109 and 110-113 of grouping 7,8 and 9 will include sound respectively Frequently, video and/or opaque data.Opaque data are the data with hiding expression or form, therefore can only pass through tune It is operated with the subroutine with the access represented to opaque data.

On the other hand, equipment 401 can send synchronous audio and video stream.Due to the two streams be it is synchronous, Therefore the ending of audio stream can also be determined.Correspondingly, both audio stream and video flowing or the ending of one of them can be marked It is denoted as in various embodiments.The ending of two streams of mark is preferred, so that if a stream is most If rear grouping or last several packet loss, the ending of another stream is still known, so as to know the grouping for having and losing Stream ending.Alternatively, can the stream of mark one ending and receiver can be determined based on the stream marked it is another The ending of a stream.

Such as those of ordinary skill in the art in view of disclosure above is readily apparent that, due to by out-of-band signalling and band It is difficult that interior media transmission, which synchronizes, and in-band signaling indicates really to tie from the stream from the perspective of receiver with potential The more accurate time point of beam.If without correctly synchronous, then out-of-band signalling may leaving gap in time, wherein " ending " signal reaches too early or too late, this causes to truncate stream or permit stream in hungry pattern (starved mode) relaying Continuous possibility (for example, RTP groupings stop reaching, but being updated without user's context)." signaling " alleviates other volumes in band Outer complexity by the stream with signaling to be synchronized to server or other controlled entities.In addition, last in data flow (or connects Grouping one closely finally) is received, and the use of in-band signaling can transmit the endpoint of data flow, so as to not live than business Dynamic timer quickly transmits conversation end state, and the last grouping only in stream is received it by business inactivity timer Threshold time period afterwards identifies conversation end state.

Fig. 5 shows via traditional out-of-band signalling to terminate the process of the communication session based on RTP.The process of Fig. 5 exists Some aspects are similar with the process of Fig. 4, thus device A 501 have include audio data frame frame buffer 502 and including The stream 507 of various groupings is being sent to the debounce buffer 508 of equipment B 511.It will no longer illustrate the additional system with Fig. 4 Common element, to avoid redundancy.However, during being shown in FIG. 5, without marker bit instruction media content (for example, PTT calling in audio) end.On the contrary, in traditional session termination based on out-of-band signalling, device A 501 takes to application The business transmission out-of-band signalling 504 of device 170 carrys out instruction equipment A501 and has released right to speak (for example, the stream from device A has been tied Beam).Then, application server 170 handles the out-of-band signalling 504 from device A 501 and uses out-of-band signalling 505 Miscellaneous equipment (for example, equipment B 511) right to speak to be notified to be released, (it indicates the ending of stream and further indicates right to speak Open (510)).Depending on the various stand-by period in internal inner ring (for example, debounce buffer 508 or other buffers) And/or other delays, as with reference to shown in 509, the 505 of the out-of-band signalling of right to speak release may early arrive at target device It (for example, causing the too early release of right to speak and blocking to the audios of some device As 501) or may reach too late (for example, causing not show clearly in Figure 5 for a long time without audio/media before right to speak is released).

With reference to Fig. 6, example of the tool there are two the in-band signaling of incoming stream is shown.Device A 601 can capture can be with The media 602 (for example, video, audio, opaque data etc.) of stream transmission 607 are carried out in a series of groupings.Equally, equipment B 611 can capture a series of B media 612 that stream transmission 617 can be carried out in groupings (for example, video, audio, impermeable Bright data etc.).Can each stream be received in debounce receives buffer A and debounce buffer B at equipment C 621 respectively.Often A stream is with the different synchronisation sources (SSRC) being included in the header of their own RTP groupings, so that equipment C 621 It can be identified and distinguish between streams.Similar with the discussion of front, stream 607 includes grouping 9, and grouping 9 further includes instruction matchmaker Body ending or sending device (for example, device A) wish the marker bit for the point that media switch over.This allows equipment C immediately by source 630 are transformed into the second being included in de-jitter buffer 618 from the first stream shaking reduction buffer 608.This also results in media 631 Media 612 are transformed into from A media 602, this can be reflected at 622 on equipment C 621 (for example, media player, display Deng).Therefore, as discussed in front, providing and being not easy the accurate conversion time realized using out-of-band signalling.

Although use and the realization method of the ending of the in-band signaling and stream or steaming transfer for mark provided above Some basic examples, it is to be understood that, each embodiment is not only restricted to aforementioned exemplary.

For example, Fig. 7 A show the process that the communication session based on RTP is terminated according to one embodiment, which also wraps It includes and is interacted with the server of in-band signaling.The process is similar to the disclosed process related with Fig. 4, wherein media (such as sound Frequently, video or opaque data) slave device A is streamed to application server 170, for being transferred to equipment B in 710 (for example, grouping 7 and 8).Can be discharged in 712 PTT button and can by marker bit add to the end grouping (for example, 9) grouping, is then sent to application server 170 (714).In another example, if device A is being transmitted as a stream Opaque data (such as the X-Y coordinate of pointer moved across the screen of device A), then at 712, the conversation end of user Inputting (i.e. PTT releases) need not be corresponding with PTT releases, but can be inputted with other users (including lifting pointer (such as finger Or stylus) frame out) corresponding, this can signal device A and marker bit is added to the last of opaque data Grouping (714).In the embodiment of shown Fig. 7 A, application server 170 receives Media Stream (for example, grouping 7 and 8), Then by forwarding media stream to desired target (for example, equipment B) (720).At 722, application server 170 optionally receives With grouping of the detection with marker bit.Application server 170 can actively update the context of device A and/or right to speak shape State (for example, open).Alternatively, in addition to detecting marker bit, application server 170 can not take any action. In 724, the rest part of media is streamed to target.Application server 170 can do nothing at this time, but wait Out-of-band signalling confirms media ending/slave device A release right to speak.

Since device A has right to speak, equipment B is just operated in listening mode 730.It is passed when receiving streaming at 732 During defeated media (for example, grouping 7 and 8), equipment B will play/handle these media in a conventional manner.It is received on the contrary, working as During last grouping with marker bit (734), by the user's context of initiating equipment A and right to speak state change to open State (736) (local at equipment B).

Although being illustrated only about equipment B, it will be clear that, can there are multiple target devices and each target Equipment can have the different stand-by period (as shown in fig.7b), so that using in-band signaling and the band from target The positive acknowledgment of interior signaling can improve system performance and user experience to coordinate right to speak state or other conversions.For example, it It can prevent from prematurely for right to speak being granted to faster equipment.

With reference to Fig. 7 B, it is believed that the media in media and Fig. 7 A from initiating equipment A are identical, therefore are no longer said It is bright.Further, started with transmitting the last grouping (724) with marker bit to each target (for example, equipment B to equipment N) Explanation.Each equipment receive last grouping (734,744) and initiating equipment A with marker bit user's context and Right to speak state change is open state (736,746).In 738, (right to speak opening) will be discharged from the right to speak of equipment B Positive acknowledgment be sent to application server 170.Then, in the time afterwards, slave device N sends right to speak release (speech Power open) positive acknowledgment (748).In addition, in this embodiment, right to speak is appointed as opening at application server 170 Before, application server 170 can wait the positive acknowledgment (such as shown in 726) from target.The alternate embodiment is different In traditional PTT models.In traditional PTT models, server does not wait for confirming the ending of (Ack) stream until equipment receiving stream Until.However, in the alternate embodiment, server does not reflect right to speak open state, until it is from each target/monitoring Until device receives Ack (738,748), to avoid wrong report.It will be clear that the concept of " the right to speak opening " in 736 and 746 From the perspective of being slave device/user.In addition, it will be clear that, in fig. 7, application server 170 optionally has evaluated The RTP header fields for the RTP groupings that slave device A is passed to, so that at the 722 of Fig. 7 A, application server 170 can identify There is the RTP groupings that the marker bit for the ending for being used to indicate data flow is set from device A.But in figure 7b 738 And/or when ACK is received at 748, the application server 170 in Fig. 7 B be told device A intention abandon right to speak.Therefore, In figure 7b, it is assumed that do not perform in Fig. 7 A can selection operation 722.

On the other hand, device A can terminate its media and offer marker bit indicates it.However, soon Afterwards, device A may wish to regain right to speak to continue.In this case, asking from device A is received if worked as Ask/media 1 when, the grouping with marker bit buffers still at application server 170, then application server 170 can be from Marker bit is separated in the grouping of buffering, therefore is not changed in the right to speak state perceived in target device.

Fig. 8 shows that server can detect the flow chart 800 of the embodiment of marker bit.At 810, process is with server Since being received for the last RTP groupings of specific data flow sending device.If server determines marker bit in 820 The state of last grouping is indicated for certain, then what the process can be discussed such as front (for example, at 722 of Fig. 7 A) Continue like that.If however, do not detect marker bit, then server can determine the knot of media using substitution method Tail (for example, out-of-band signalling, business inactivity timer expire).For example, at 830, whether server judges out-of-band signalling Instruction sending device intention stopping transmission media and/or release right to speak and server, which can also judge to be directed to transmission, to be set Whether the business inactivity timer of standby connection has timed, out (840).If 830 or 840 indicate from sending device The ending of Media Stream (or transmission session), then server can generate the grouping (850) including marker bit and be set to target Preparation gives the grouping (860).Correspondingly, which allows for the conventional process for receiving out-of-band signalling, however once really Determine media ending and/or right to speak release, still can utilize in-band signaling.This, which can contribute to be connected to, does not support to identify The traditional equipment of the marker bit of indicator as last media packet or non-local system.Finally, in 840, guard the gate Dog (or business is inactive) timer can be configured as using time-out as the instruction to media ending and/or right of speech release. In the case where being not received by media packet and being not received by signaling, server can generate the grouping including marker bit (850) and to target device the grouping (860) is sent.It is being grouped or is having the packet loss or destroyed of marker bit In the case of, this is also used as the backup for the equipment for not including marker bit.Correspondingly, for being not received by marker bit Situation, detection marker bit can allow the additional flexibility in terms of using in-band signaling at server.

As pointed in front, marker bit is used for marking the interior letter of band of the affirmative of the ending of Media Stream for description Order.Nevertheless, it will be understood that other mechanism can be used for in-band signaling.For example, it wipes frame, empty blank rate frame, have The RTP groupings of effect load, RTP groupings with partial payload etc. may be used as in-band signaling to mark the ending of stream.This Outside, the in-band signaling of the ending of Media Stream can by do not meet complete and audible grouping (its meet stream encapsulation and bundle because The rest part of son) arbitrary grouping indicate.In addition, it will be clear that, the combination of foregoing teachings can be used (for example, mark Remember that position and the RTP without payload are grouped).Correspondingly, each embodiment is not only restricted to any specific in-band signaling technology.

It, will although each embodiment is described in the man-to-man communication session between relating generally to UE/ equipment It is realized that other embodiments, which can be directed to, can include the group communication session of three or more UE (as bright in Fig. 7 B Show what be can be seen that).

Fig. 9 shows the communication equipment 900 of the logic unit including being configured as perform function.Communication equipment 900 can be with It is corresponding with any one in above-mentioned communication equipment, include but not limited to user equipment 102,108,110,112 or 200, Node B or base station 120, RNC or base station controller 122, packet data network endpoint are (for example, SGSN 160, GGSN 165, length Mobility management entity (MME) in phase evolution (LTE) etc.), any one server in server 170 to 186 etc..Cause This, communication equipment 900 can be configured as being communicated on network with one or more of the other entity (or promote and its Communication) any electronic equipment it is corresponding.

With reference to Fig. 9, communication equipment 900 includes being configured as receiving and/or sending the logic unit 905 of information.At one In example, if communication equipment 900 is corresponding with wireless telecom equipment (for example, UE 200, node B 124 etc.), then by with Be set to reception and/or send information logic unit 905 can include such as transceiver and associated hardware (for example, RF antennas, modem, modulator and/or demodulator etc.) wireless communication interface (for example, bluetooth, WiFi, 2G, 3G etc.). In another example, be configured as receiving and/or send information logic unit 905 can with wired communication interface (for example, Serial connection, USB or firewire connection can access Ethernet connection of internet 175 etc. by it) it is corresponding.Therefore, if Communication equipment 900 is with certain type of network-based server (for example, SGSN 160, GGSN 165, application server 170 Deng) corresponding, then in one example, the logic unit 905 for being configured as receiving and/or sending information can be with Ethernet Block corresponding, which is connected to other communication entities via Ethernet protocol by network-based server.Another In a example, being configured as receiving and/or send the logic unit 905 of information can include feeling or measuring hardware, pass through this A little hardware communication devices 900 can monitor its local environment (for example, accelerometer, temperature sensor, light sensor, being used for Monitor antenna of locality RF signals etc.).The logic unit 905 for being configured as receiving and/or sending information can also include software, When software is performed, permit this be configured as receiving and/or send information logic unit 905 associated hardware Perform its reception and/or sending function.However, be configured as receiving and/or send the logic unit 905 of information not only with software Logic unit 905 that is corresponding and being configured as receiving and/or send information relies at least partially upon hardware to realize its work( Energy.

With reference to Fig. 9, communication equipment 900 further includes the logic unit 910 for being configured as processing information.In one example, Processor can be included at least by being configured as the logic unit 910 of processing information.Can by be configured as processing information logic The sample implementation for this kind of processing that unit 910 performs, which includes but not limited to perform, to be determined, establishes connection, in different information Option between make choice, perform assessment associated with the data, interacted with the sensor for being coupled to communication equipment 900 with Perform measurement operation, by information from a kind of format conversion into another form (for example, in the different agreement of such as .WMV to .AVI Between) etc..Processor e.g., including in the logic unit 910 for being configured as processing information can be designed as performing Functions described in this article can with general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), scene Program gate array (FPGA) or other programmable logic cells, discrete gate or transistor logic, discrete hardware components or Its any combination of person is corresponding.General processor can be microprocessor, alternatively, processor can be any conventional processing Device, controller, microcontroller or state machine.Processor can also be embodied as the combination of computing device, for example, DSP and Wei Chu Manage combination or any other such knot of the combination of device, multi-microprocessor, one or more microprocessors and DSP core Structure.Software can also be included by being configured as the logic unit 910 of processing information, when software is performed, is permitted this and be configured Associated hardware to handle the logic unit 910 of information performs its processing function.However, it is configured as patrolling for processing information Volume unit 910 is not only corresponding with software and is configured as the logic unit 910 of processing information and relies at least partially upon hardware To realize its function.

With reference to Fig. 9, communication equipment 900 further includes the logic unit 915 for being configured as storage information.In one example, Be configured as the logic unit 915 of storage information can include at least non-transitory memory and associated hardware (for example, Memory Controller etc.).Memory e.g., including in the logic unit 915 for being configured as storage information can be deposited with RAM Reservoir, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, mobile disk, CD-ROM or The storage medium of any other form is corresponding known to ability.Being configured as the logic unit 915 of storage information can also wrap Software is included, when software is performed, the associated hardware for permitting the logic unit 915 for being configured as storage information performs Its store function.However, the logic unit 915 for being configured as storage information is not only corresponding with software and is configured as depositing The logic unit 915 of storage information relies at least partially upon hardware to realize its function.

With reference to Fig. 9, communication equipment 900 also optionally includes being configured as the logic unit 920 that information is presented.Show at one In example, at least output equipment and associated hardware can be included by being configured as presenting the logic unit 920 of information.For example, Output equipment can include picture output device (for example, display screen, can carry USB, HDMI etc. video information end Mouthful), audio output apparatus (for example, loud speaker, can carry microphone jack, USB, HDMI etc. audio-frequency information end Mouthful), vibratory equipment and/or information can be formatted to export by it or user or behaviour by communication equipment 900 Any other equipment of author's reality output.For example, if communication equipment 900 is corresponding with UE 200 as shown in Figure 3, that Display 224 can be included by being configured as presenting the logic unit 920 of information.In yet another example, for some communications Equipment (network communication equipment (for example, network switch or router, remote server etc.) without local user) For can be omitted be configured as present information logic unit 920.The logic unit 920 for being configured as presenting information can be with Including software, when software is performed, the associated hardware for permitting the logic unit 920 for being configured as presentation information is held Its presentation function of row.However, the logic unit 920 for being configured as presentation information is not only corresponding with software and is configured as The logic unit 920 that information is presented relies at least partially upon hardware to realize its function.

With reference to Fig. 9, communication equipment 900 also optionally includes being configured as the logic unit 925 for receiving local user's input. In one example, be configured as receive local user input logic unit 925 can include at least user input equipment with And associated hardware.For example, user input equipment can be defeated including button, touch-screen display, keyboard, camera, audio Enter equipment (for example, microphone or can carry microphone jack etc. audio-frequency information port) and/or can be with by it From the user of communication equipment 900 or any other equipment of operator's receive information.If for example, communication equipment 900 and such as Fig. 3 Shown in UE 200 it is corresponding, then be configured as receive local user input logic unit 925 can include display 224 (if realizing touch-screen), button 226 etc..In yet another example, for some communication equipments (such as without this The network communication equipment (for example, network switch or router, remote server etc.) of ground user) for can be omitted and be configured To receive the logic unit 925 of local user's input.Being configured as receiving the logic unit 925 of local user's input can also wrap Software is included, when software is performed, permits the associated of the logic unit 925 for being configured as receiving local user's input Hardware performs it and inputs receive capabilities.However, be configured as receive local user input logic unit 925 not only with software Logic unit 925 that is corresponding and being configured as receiving local user's input relies at least partially upon hardware to realize its work( Energy.

Reference Fig. 9, although the logic unit 905 to 925 being configured is illustrated as independent or different block in fig.9, It will be clear that each logic unit for being configured perform by its come perform the hardware of its function and/or software can part Overlapping.For example, can by for promote any software for the function of logic unit 905 to 925 being configured be stored in by with It is set in the 915 associated non-transitory memory of logic unit of storage information, so that the logic unit 905 being configured The operation of the software stored by the logic unit 905 for being configured as transmission information is based partially on to 925 to perform theirs Function (i.e., in this case, performs software).Equally, with a direct phase of logic unit in the logic unit that is configured Associated hardware can be borrowed or used once in a while by other logic units being configured.For example, it is configured as patrolling for processing information The processor for collecting unit 910 can send data in the logic unit 905 by being configured as receiving and/or send information Suitable form is formatted into before, so that the logic unit 905 for being configured as receiving and/or sending information is based partially on The operation of logic unit 910 associated hardware (for example, processor) with being configured as processing information performs its function (i.e., in this case, the transmission of data).

It will be clear that the logic unit or " logic unit being configured as ... " that are configured in each frame not office Be limited to specific logic gate or element, but generically refer to perform functions described in this article ability (via hardware or The combination of hardware and software).Therefore, although " logic " word is shared, such as the logic being configured shown in each frame Unit or " logic unit being configured as ... " are not necessarily implemented as logic gate or logic element.

It will be appreciated by one of skill in the art that table can be carried out using any one in a variety of technologies and method Show information and signal.For example, referred in above description data, instruction, order, information, signal, bit, symbol It can be by voltage, electric current, electromagnetic wave, magnetic field or magnetic particle, light field or light particle or its any combination come table with chip Show.

In addition, the it will be understood by those skilled in the art that each theory described with reference to embodiment disclosed herein Logical box, module, circuit and the algorithm steps of bright property can be implemented as electronic hardware, computer software or combination.For Clearly show that the interchangeability between hardware and software, above to each illustrative component, frame, module, circuit and Step has carried out general description around its function.Hardware is implemented as this function and is also implemented as software, depending on spy Fixed application and the design constraint applied to whole system.Those skilled in the art can be directed to each specific application, to become Logical mode realizes described function, but this back of the body realized decision-making and should not be interpreted as causing the scope to each embodiment From.

Using being designed to perform the general processor of function described herein, digital signal processor (DSP), special integrated Circuit (ASIC), field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic list Member, discrete hardware components or its any combination can be realized or performed and is described each with reference to embodiment disclosed herein A illustrative logical box, module and circuit.General processor can be microprocessor, alternatively, processor can be any normal Processor, controller, microcontroller or the state machine of rule.Processor can also be embodied as the combination of computing device, for example, The combination of DSP and microprocessor, multi-microprocessor, one or more microprocessors and DSP core combination or it is any its Its such structure.

Can be embodied directly in reference to the described method of embodiment disclosed herein, order and/or algorithm in hardware, In the software module performed by processor or in combination of the two.Software module can be located at RAM memory, flash memory, ROM Memory, eprom memory, eeprom memory, register, hard disk, removable disk, CD-ROM or ability are known to appoint In the storage medium of what other forms.Illustrative storage medium is coupled to processor, so as to enable a processor to from the storage Medium reads information and writes information to the storage medium.Alternatively, storage medium can be the composition portion of processor Point.Pocessor and storage media can be located in ASIC.The ASIC can be located in user terminal (for example, access terminal).Or Person, pocessor and storage media can be located at as discrete assembly in user terminal.

In one or more exemplary embodiments, can with hardware, software, firmware or their any combination come Realize described function.If realized by software, these functions can be used as one or more instruction or code to preserve It transmits on a computer-readable medium or by computer-readable medium.Computer-readable medium includes computer storage and is situated between Both matter and communication media, communication media include any of the transmission for promoting computer program from one place to another place Medium.Storage medium can be can be by any usable medium of computer access.By way of example and not limitation, it is this Computer-readable medium can be deposited including RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic Storing up equipment or can be used for carrying or store the desired program code with instruction or data structure form simultaneously can be by counting Any other medium of calculation machine access.In addition, any connection is properly termed as computer-readable medium.If for example, Use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or such as infrared ray, radio and microwave etc Wireless technology from website, server or other remote sources send software, then coaxial cable, optical fiber cable, twisted-pair feeder, DSL Or the wireless technology of such as infrared ray, radio and microwave etc is included in the definition of medium.As it is used herein, magnetic Disk and CD include compact disk (CD), laser-optical disk, CD, digital versatile disc (DVD), floppy disk and Blu-ray Disc, Middle disk usually magnetically replicate data, and CD then utilizes laser to optically replicate data.Combinations of the above should also be as wrapping It includes in the range of computer-readable medium.

Although foregoing disclosure content shows the illustrative embodiment of the present invention, it should be understood that not taking off In the case of from the scope of the present invention as defined in appended claim, various change can be carried out herein and is repaiied Change.It need not be with any according to the function of the claim to a method of the embodiment of invention described herein, step and/or action Specifically sequentially perform.In addition, although the element of the present invention can be described or claimed in the singular, unless explicitly claimed It is limited to singulative, otherwise plural number is also expected.

Claims (13)

1. one kind is used to indicate data flow (507 using in-band signaling；607；617) method of ending, including：

Send (710；720；860) data flow, the data flow include multiple groupings, each point in the multiple grouping Group includes header and payload；

Configuration (714；850) at least one grouping in the multiple grouping to be to indicate the ending of the data flow, including The mark bit field for the ending for being used to indicate the data flow and/or configuration at least one grouping are set in the header Payload, wherein, the payload of the configuration at least one grouping is included according to the multiple grouping The payload of other groupings reduces the data volume being included in the payload of at least one grouping；

It configures in the payload being each grouped in a series of groupings before the last grouping of the immediately data flow Field, to indicate the ending of the data flow, wherein, it is described it is a series of grouping be configured for use as the last grouping Count down；

Before detection is to the configuration of at least one grouping, is detected at server and be used to indicate the data flow The out-of-band signalling of ending, wherein, the server performs the configuration in response to detecting the out-of-band signalling；And

At least one grouping configured to the transmission of at least one target device；Wherein

In the case where not detecting marker bit and out-of-band signalling, the server generation includes the grouping of new marker bit, and And to the grouping with the new marker bit that at least one target device transmission is generated, wherein, the new marker bit Indicate the ending of the data flow.

2. according to the method described in claim 1, wherein, the data volume being included in the payload is reduced including following At least one of in：

Content including being less than the whole amount in the payload；

Part beam including frame；

Including all blank and/or erasing frame；Or

Remove the payload.

3. according to the method described in claim 1, wherein, wireless device is based at least one grouping in a series of groupings To determine the ending of the data flow.

4. according to the method described in claim 1, wherein, indicate that the ending of the data flow indicates the knot of relevant data flow Tail.

5. according to the method described in claim 4, wherein, the last grouping is related to video flowing and described relevant Stream is audio stream.

6. according to the method described in claim 1, wherein, server detects the configuration at least one grouping, and And update user's context before out-of-band signalling is received.

7. one kind is used to detect data flow (507 using in-band signaling；607；617) method of ending, including：

Receive (732；810) data flow, the data flow include multiple groupings, each grouping bag in the multiple grouping Include header and payload with mark bit field；

Detection (734；744；820) at least one grouping in the multiple grouping is configured as indicating the knot of the data flow Tail, wherein, the detection includes：The mark bit field detected in the header of at least one grouping is configured as Indicate ending and at least one grouping of the data flow payload include with it is other in the multiple grouping The payload of grouping is compared to less data volume and further includes：Detection is immediately before the last grouping of the data flow A series of groupings in the payload being each grouped indicate the ending of the data flow, wherein, a series of groupings It is configured for use as counting down to the last grouping；

Before detection is to the configuration of at least one grouping, is detected at server and be used to indicate the data flow The out-of-band signalling of ending, wherein, the server is performed in response to detecting the out-of-band signalling to described at least one point The configuration of group；And

At least one grouping configured to the transmission of at least one target device；Wherein

In the case where not detecting marker bit and out-of-band signalling, the server generation includes the grouping of new marker bit, and And to the grouping with the new marker bit that at least one target device transmission is generated, wherein, the new marker bit Indicate the ending of the data flow.

8. according to the method described in claim 7, wherein, the data flow is the first data received from the first wireless device Stream, the method further include：

The second data flow is received from the second wireless device；

To first data flow and second data flow into row buffering；And

In response to the detection, from first data flow handoff is played to broadcasting second data flow.

9. one kind is used to indicate data flow (507 using in-band signaling；607；617) device (102 of ending；108；110； 112；170；200；401；411；601；611；621；900), including：

It is configured as sending (710；720；860) logic unit of the data flow, the data flow includes multiple groupings, described Each grouping in multiple groupings includes header and payload with mark bit field；

It is configured as configuration (714；850) at least one grouping in the multiple grouping is to indicate the ending of the data flow Logic unit, wherein, the logic unit for being configured as configuring at least one grouping includes：It is configured as in the report The mark bit field for the ending for being used to indicate the data flow and/or effective load of configuration at least one grouping are set in head The logic unit of lotus, wherein, the payload of configuration at least one grouping is included according to the multiple grouping The payload of other groupings reduce the data volume being included in the payload of at least one grouping；

Be configured as configure in a series of groupings before the last grouping of the immediately data flow be each grouped have The field in load is imitated, to indicate the logic unit of the ending of the data flow, wherein, a series of groupings are configured as using Accomplish counting down for the last grouping；

It is configured as before detection is to the configuration of at least one grouping, is detected at server described in being used to indicate The logic unit of the out-of-band signalling of the ending of data flow, wherein, the server is held in response to detecting the out-of-band signalling The row configuration；And

It is configured as the logic unit of at least one grouping configured to the transmission of at least one target device；Wherein

In the case where not detecting marker bit and out-of-band signalling, the server generation includes the grouping of new marker bit, and And the logic unit for being configured as sending has the new mark to what at least one target device transmission was generated The grouping of position, wherein, the new marker bit indicates the ending of the data flow.

10. one kind is used to detect data flow (507 using in-band signaling；607；617) device (102 of ending；108；110； 112；170；200；401；411；601；611；621；900), including：

It is configured as receiving (732；810) logic unit of the data flow, the data flow includes multiple groupings, the multiple Each grouping in grouping includes header and payload with mark bit field；

It is configured as detection (734；744；820) at least one grouping in the multiple grouping is configured as indicating the data The logic unit of the ending of stream,

Wherein, the logic unit for being configured for detection includes：It is configured as detecting at least one grouping The mark bit field of the header is configured as indicating the ending of the data flow and having at least one grouping Effect load includes the logic unit of data volume less compared with the payload of other groupings in the multiple grouping；

Being each grouped in a series of groupings before being configured as detecting the immediately last grouping of the data flow is effective Load indicates the logic unit of the ending of the data flow, wherein, it is described it is a series of grouping be configured for use as it is described most Grouping afterwards counts down；

It is configured as before detection is to the configuration of at least one grouping, is detected at server described in being used to indicate The logic unit of the out-of-band signalling of the ending of data flow, wherein, the server is held in response to detecting the out-of-band signalling The row configuration；And

It is configured as the logic unit of at least one grouping configured to the transmission of at least one target device；Wherein

In the case where not detecting marker bit and out-of-band signalling, the server generation includes the grouping of new marker bit, and And the logic unit for being configured as sending has the new mark to what at least one target device transmission was generated The grouping of position, wherein, the new marker bit indicates the ending of the data flow.

11. a kind of processing data flow (507；607；617) device (102；108；110；112；170；200；401；411；601； 611；621；900), including for performing the mould of the method described in any one claim in claim 1 to 8 Block.

12. a kind of processing data flow (507；607；617) device (102；108；110；112；170；200；401；411；601； 611；621；900), including：

Processor is configured as performing the method described in any one claim in claim 1 to 8；And

Memory is coupled to the processor.

13. a kind of computer-readable medium, including at least one instruction, at least one instruction makes communication entity (102； 108；110；112；170；200；401；411；601；611；621；900) perform according to any one in claim 1 to 8 Method described in claim.