CN109640334A

CN109640334A - A kind of method for transmitting signals and equipment

Info

Publication number: CN109640334A
Application number: CN201710930788.XA
Authority: CN
Inventors: 李庆华; 马亮
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2017-10-09
Filing date: 2017-10-09
Publication date: 2019-04-16

Abstract

The embodiment of the invention provides a kind of method for transmitting signals and equipment, in order to avoid multi-path jamming phenomenon occurs in the signal transmission of multiple remote equipments in technical solution to solve existing deployment indoor distributed system, when disposing multiple remote equipments, existing space requirement is high, engineering design is complicated, the problems such as enforcement difficulty is big, and wires design flexibility is poor.This method comprises: the network equipment determines the corresponding propagation delay time of each distal end convergence device at least one distal end convergence device, standard time delay is arranged according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device in the network equipment, difference between standard time delay propagation delay time corresponding with distal end convergence device is as the corresponding caching delay of distal end convergence device, and transmitting terminal postpones to transmit signal to receiving end after the caching delay when convergence device corresponding caching delay in distal end is used to transmit signal between the distal end convergence device and the network equipment.

Description

A kind of method for transmitting signals and equipment

Technical field

The present invention relates to field of communication technology more particularly to a kind of method for transmitting signals and equipment.

Background technique

Indoor distributed system is by equipment such as remote equipment, distal end convergence devices by the signal uniform fold of the network equipment To the system of each room area.Indoors in compartment system, uplink signal transmissions successively pass through terminal device, remote equipment, Distal end convergence device, the network equipment, plurality of remote equipment can be connect with same distal end convergence device, multiple distal end convergences Equipment can be connect with consolidated network equipment.

There may be overlapping regions for the signal cover of multiple remote equipments in indoor distributed system, are passed with uplink signal For defeated, in the overlapping region of the signal cover of multiple remote equipments, the uplink signal that terminal device is sent can be by this Multiple remote equipments receive, and multiple remote equipments are passed uplink signal using the transmission path respectively between consolidated network equipment Transport to the network equipment.Since the length of the transmission path between multiple remote equipments and the network equipment is different, cause this more The time delay that the uplink signal of a remote equipment transmission reaches the network equipment is also different, so that the network equipment connects in different moments The uplink signal of multiple interference signals each other is received, this phenomenon is referred to as multi-path jamming phenomenon；Similarly downlink signal transmits It is likely to occur multi-path jamming phenomenon.Multi-path jamming phenomenon will cause between the network equipment and terminal device under signal transmission quality Drop, in order to avoid it is same covering or overlapped coverage scene under, since the transmission path of multiple remote equipments to base station (is equivalent to transmission Time delay) it is different, artificially cause terminal device and base station to generate multi-path jamming phenomenon, the technology of existing deployment indoor distributed system In scheme, generally use and multiple remote equipments be deployed to different spaces, for example, different spaces can be different floors or Not chummery, to avoid the signal cover of multiple remote equipments, there are overlapping regions, further can be to avoid multiple There is multi-path jamming phenomenon in the signal transmission of remote equipment, but this technical solution, to the more demanding of space, engineering design is multiple Miscellaneous, enforcement difficulty is big, and different application scenarios are also needed carry out with special wires design, and therefore wires design flexibility is poor.

To sum up, it is existing deployment indoor distributed system technical solution, in order to avoid it is same covering or overlapped coverage scene under, Since the transmission path (being equivalent to propagation delay time) of multiple remote equipments to base station is different, it is artificial caused by terminal device and base station Multi-path jamming phenomenon is generated, when disposing multiple remote equipments there are space requirement height, engineering design is complicated, and enforcement difficulty is big, The problems such as wires design flexibility is poor.

Summary of the invention

The embodiment of the invention provides a kind of method for transmitting signals and equipment, to solve existing deployment indoor distribution system In the technical solution of system in order to avoid it is same covering or overlapped coverage scene under, due to the transmission path of multiple remote equipments to base station (being equivalent to propagation delay time) is different, it is artificial caused by terminal device and base station generate multi-path jamming phenomenon, disposing multiple distal ends The problems such as existing space requirement is high when equipment, and engineering design is complicated, and enforcement difficulty is big, and wires design flexibility is poor.

In a first aspect, the embodiment of the invention provides a kind of method for transmitting signals, comprising:

The network equipment determines the corresponding propagation delay time of each distal end convergence device at least one distal end convergence device, transmission Time delay transmits time delay when signal between the corresponding distal end convergence device of the propagation delay time and the network equipment；

When standard is arranged according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device in the network equipment Prolong；Wherein, standard time delay be greater than or equal to maximum transmitted time delay, standard time delay propagation delay time corresponding with distal end convergence device it Between difference as the corresponding caching delay of distal end convergence device, convergence device corresponding caching delay in distal end is for the distal end Transmitting terminal postpones to transmit signal to receiving end after the caching delay when transmitting signal between convergence device and the network equipment.

In a kind of possible design, the network equipment is according to the maximum in the corresponding propagation delay time of each distal end convergence device Propagation delay time is arranged after standard time delay, further includes: the network equipment is remote to each of at least one distal end convergence device respectively Convergence device is held to send instruction information, instruction information is used to indicate standard time delay and receives the distal end convergence device of the instruction information Corresponding propagation delay time.

In a kind of possible design, the network equipment is according to the maximum in the corresponding propagation delay time of each distal end convergence device Propagation delay time is arranged after standard time delay, further includes: the network equipment determines each distal end at least one distal end convergence device The corresponding caching delay of convergence device, the corresponding caching delay of distal end convergence device are standard time delay and the distal end convergence device pair The difference between propagation delay time answered.

In a kind of possible design, the network equipment determines that the convergence of each distal end at least one distal end convergence device is set After standby corresponding caching delay, further includes: the network equipment respectively converge by each distal end at least one distal end convergence device Poly- equipment sends instruction information, when instruction information is used to indicate the distal end convergence device corresponding caching for receiving the instruction information Prolong.

In a kind of possible design, each distal end convergence device and at least one distal end for accessing the distal end convergence device The distance between equipment is not more than preset threshold.

In a kind of possible design, the network equipment determines each distal end convergence device at least one distal end convergence device Corresponding propagation delay time, comprising: for each distal end convergence device, the network equipment is sent out at the first moment to the distal end convergence device Training signal is sent, training signal is used to indicate after the distal end convergence device receives training signal and sends immediately to the network equipment Training response signal；The training response signal that the network equipment is sent in the second reception distal end convergence device；The network equipment When determining the corresponding transmission of the distal end convergence device according to the half of the time interval between the second moment and the first moment Prolong.It should be noted that the network equipment can also be determined according to reference signal at least one distal end convergence device it is each remote The corresponding propagation delay time of convergence device is held, the embodiment of the present invention does not limit.

In a kind of possible design, the network equipment is according to the maximum in the corresponding propagation delay time of each distal end convergence device Propagation delay time is arranged before standard time delay, further includes: for at least distal end convergence device all the way being connected with the network equipment, network The corresponding propagation delay time of afterbody distal end convergence device in the convergence device of each great distance end is determined as the great distance end by equipment The corresponding propagation delay time of convergence device, will be at least all the way in the convergence device of distal end when the corresponding transmission of each great distance end convergence device The maximum transmitted time delay of Yanzhong is determined as maximum transmitted time delay；Wherein, at least all the way distal end convergence device by least one distal end Convergence device composition, afterbody distal end convergence device are farthest with the distance between the network equipment in distal end convergence device all the way Distal end convergence device.

Second aspect, the embodiment of the present invention provide a kind of method for transmitting signals, comprising: distal end convergence device receives network and sets The instruction information that preparation is sent, instruction information determine that caching delay, caching delay are converged for distal end and set for distal end convergence device It is standby to transmit signal to receiving end after transmitting terminal delay buffer time delay when transmission signal between the network equipment；Distal end convergence device root Caching delay is determined according to instruction information.

In a kind of possible design, instruction information determines caching delay for distal end convergence device, specifically: instruction letter Breath is used to indicate caching delay；Wherein, caching delay is between standard time delay propagation delay time corresponding with distal end convergence device Difference, propagation delay time transmit time delay when signal between distal end convergence device and the network equipment, and standard time delay is the network equipment According to the maximum transmitted time delay setting in the corresponding propagation delay time of distal end convergence device each at least one distal end convergence device 's.

In a kind of possible design, instruction information determines caching delay for distal end convergence device, specifically: instruction letter Breath is used to indicate standard time delay and the corresponding propagation delay time of distal end convergence device.

Distal end convergence device determines caching delay according to instruction information, comprising: distal end convergence device is by standard time delay and passes Difference between defeated time delay is as caching delay, when propagation delay time transmits signal between distal end convergence device and the network equipment Time delay, when standard time delay is the network equipment corresponding according to distal end convergence device each at least one distal end convergence device transmission The maximum transmitted time delay setting of Yanzhong.

In a kind of possible design, distal end convergence device and access distal end convergence device at least one remote equipment it Between distance be not more than preset threshold.

In a kind of possible design, distal end convergence device is received before the instruction information that the network equipment is sent, further includes: Distal end convergence device receives the training signal that the network equipment is sent, and training signal is used to indicate distal end convergence device and receives training Training response signal is sent to the network equipment immediately after signal；Distal end convergence device sends training response letter to the network equipment Number, training response signal determines the corresponding propagation delay time of distal end convergence device for the network equipment.

The third aspect, the embodiment of the present invention provide a kind of network equipment, comprising:

Processing unit, when for determining at least one distal end convergence device the corresponding transmission of each distal end convergence device Prolong, propagation delay time transmits time delay when signal between the corresponding distal end convergence device of the propagation delay time and the network equipment；According to Standard time delay is arranged in maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device；Wherein, standard time delay is greater than Or it is equal to maximum transmitted time delay, the difference between standard time delay propagation delay time corresponding with distal end convergence device is converged as the distal end The corresponding caching delay of poly- equipment, the corresponding caching delay of distal end convergence device for the distal end convergence device and the network equipment it Between when transmitting signal transmitting terminal postpone to transmit signal to receiving end after the caching delay.

In a kind of possible design, the network equipment further include: Transmit-Receive Unit is used in processing unit according to each distal end After maximum transmitted time delay setting standard time delay in the corresponding propagation delay time of convergence device, converged respectively at least one distal end Each distal end convergence device in equipment sends instruction information, and instruction information is used to indicate standard time delay and receives the instruction information The corresponding propagation delay time of distal end convergence device.

In a kind of possible design, processing unit is also used to: in transmission corresponding according to each distal end convergence device After the maximum transmitted time delay setting standard time delay of Yanzhong, determine that each distal end convergence at least one distal end convergence device is set Standby corresponding caching delay, the corresponding caching delay of distal end convergence device are standard time delay biography corresponding with the distal end convergence device Difference between defeated time delay.

In a kind of possible design, the network equipment further include: Transmit-Receive Unit, for determining at least one in processing unit After the corresponding caching delay of each distal end convergence device in the convergence device of distal end, respectively at least one distal end convergence device In each distal end convergence device send instruction information, instruction information be used to indicate receive the instruction information distal end convergence device Corresponding caching delay.

In a kind of possible design, processing unit determines each distal end convergence device at least one distal end convergence device When corresponding propagation delay time, it is specifically used for: for each distal end convergence device, passes through Transmit-Receive Unit to the distal end at the first moment Convergence device sends training signal, and training signal is used to indicate the distal end convergence device and receives training signal later immediately to net Network equipment sends training response signal；It is responded at the second moment by the training that Transmit-Receive Unit receives distal end convergence device transmission Signal；The corresponding biography of the distal end convergence device is determined according to the half of the time interval between the second moment and the first moment Defeated time delay.

In a kind of possible design, processing unit is also used to: in transmission corresponding according to each distal end convergence device Before the maximum transmitted time delay setting standard time delay of Yanzhong, for at least distal end convergence device all the way being connected with the network equipment, The corresponding propagation delay time of afterbody distal end convergence device in the convergence device of each great distance end is determined as great distance end convergence The corresponding propagation delay time of equipment, will be at least all the way in the convergence device of distal end in the corresponding propagation delay time of each great distance end convergence device Maximum transmitted time delay be determined as maximum transmitted time delay；Wherein, at least distal end convergence device is converged by least one distal end all the way Equipment composition, afterbody distal end convergence device be all the way in the convergence device of distal end with farthest remote of the distance between the network equipment Hold convergence device.

Fourth aspect, the embodiment of the present invention provide a kind of distal end convergence device, comprising:

Transmit-Receive Unit, for receiving the instruction information of network equipment transmission, instruction information is determined for distal end convergence device Caching delay is delayed when transmitting terminal delay buffer when caching delay is used to transmit signal between distal end convergence device and the network equipment Signal is transmitted to receiving end；

Processing unit, for determining caching delay according to instruction information.

In a kind of possible design, instruction information determines caching delay for distal end convergence device, specifically: instruction letter Breath is used to indicate caching delay；

Wherein, difference of the caching delay between standard time delay propagation delay time corresponding with distal end convergence device, when transmission Prolong time delay when transmitting signal between distal end convergence device and the network equipment, standard time delay is the network equipment according at least one Maximum transmitted time delay setting in the convergence device of distal end in the corresponding propagation delay time of each distal end convergence device.

Processing unit is specifically used for when determining caching delay according to instruction information: by standard time delay and propagation delay time it Between difference as caching delay, propagation delay time transmits time delay when signal between distal end convergence device and the network equipment, mark Prolong on time as the network equipment according in the corresponding propagation delay time of distal end convergence device each at least one distal end convergence device The setting of maximum transmitted time delay.

In a kind of possible design, Transmit-Receive Unit is also used to: before receiving the instruction information that the network equipment is sent, being connect Receive the training signal that the network equipment is sent, training signal be used to indicate distal end convergence device receive after training signal immediately to The network equipment sends training response signal；Training response signal is sent to the network equipment, training response signal is used for the network equipment Determine the corresponding propagation delay time of distal end convergence device.

In technical solution provided in an embodiment of the present invention, the network equipment determines each remote at least one distal end convergence device The corresponding propagation delay time of convergence device is held, it is extended when according to maximum transmitted in the corresponding propagation delay time of each distal end convergence device Standard time delay is set, the difference between standard time delay propagation delay time corresponding with distal end convergence device is as the distal end convergence device Corresponding caching delay, in this way by transmitting signal between the distal end convergence device and the network equipment when transmitting terminal to postpone this slow It deposits and transmits signal to receiving end after time delay, so that multiple remote equipments reach the net to the uplink signal that consolidated network equipment is transmitted The time delay of network equipment is identical, and consolidated network equipment reaches this multiple remote equipment to the downlink signal that multiple remote equipments transmit Time delay is identical, when can transmit without the method using space obstacle to avoid signal between the network equipment and remote equipment The multi-path jamming phenomenon of appearance facilitates to simplify engineering design when disposing multiple remote equipments, reduces enforcement difficulty, improves cloth The flexibility of line design.

Detailed description of the invention

Figure 1A is a kind of structural schematic diagram of indoor distributed system in the prior art；

Figure 1B is the structural schematic diagram of another indoor distributed system in the prior art；

Fig. 2 is a kind of flow diagram of method for transmitting signals provided in an embodiment of the present invention；

Fig. 3 A is a kind of schematic diagram of the corresponding propagation delay time of distal end convergence device provided in an embodiment of the present invention；

Fig. 3 B is showing for a kind of corresponding propagation delay time of distal end convergence device provided in an embodiment of the present invention and caching delay It is intended to；

Fig. 4 A is a kind of structural schematic diagram of indoor distributed system provided in an embodiment of the present invention；

Fig. 4 B is the structural schematic diagram of another indoor distributed system provided in an embodiment of the present invention；

Fig. 5 is the flow diagram of another method for transmitting signals provided in an embodiment of the present invention；

Fig. 6 is a kind of structural schematic diagram of the network equipment provided in an embodiment of the present invention；

Fig. 7 is the structural schematic diagram of another network equipment provided in an embodiment of the present invention；

Fig. 8 is a kind of structural schematic diagram of distal end convergence device provided in an embodiment of the present invention；

Fig. 9 is the structural schematic diagram of another distal end convergence device provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, is not whole embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Indoor distributed system is that the signal of the network equipment is evenly distributed in each room area using antenna equipment System, the system can guarantee that terminal device can be communicated in each room area with access network device.Indoors In compartment system, uplink signal transmissions successively pass through terminal device, remote equipment, distal end convergence device, the network equipment, wherein more A remote equipment can be connect with same distal end convergence device, and multiple distal end convergence devices can be connect with consolidated network equipment.

There may be overlapping regions for the signal cover of multiple remote equipments in indoor distributed system, are passed with uplink signal For defeated, in the overlapping region of the signal cover of multiple remote equipments, the uplink signal that terminal device is sent can be by this Multiple remote equipments receive, and multiple remote equipments are passed uplink signal using the transmission path respectively between consolidated network equipment Transport to the network equipment.Since the length of the transmission path between multiple remote equipments and the network equipment is different, cause this more The time delay that the uplink signal of a remote equipment transmission reaches the network equipment is also different, so that the network equipment is received in different moments The uplink signal of multiple interference signals each other, this phenomenon are referred to as multi-path jamming phenomenon；Similarly downlink signal transmission may also There is multi-path jamming phenomenon.Multi-path jamming phenomenon will cause signal transmission quality between the network equipment and terminal device and decline, and be Avoid signal transmission from multi-path jamming phenomenon occur, in the technical solution of existing deployment indoor distributed system, generally use by Multiple remote equipments are deployed to different spaces, such as different spaces can be different floors or not chummery, to avoid There are overlapping regions for the signal cover of multiple remote equipments, can further transmit to avoid the signal of multiple remote equipments There is multi-path jamming phenomenon, but this technical solution exists to the more demanding of space, engineering design is complicated, and enforcement difficulty is big, The problems such as different application scenarios are also needed carry out with special wires design therefore poor wires design flexibility.

The embodiment of the invention provides a kind of method for transmitting signals and equipment, to solve existing deployment indoor distribution system In the technical solution of system, in order to avoid multi-path jamming phenomenon occurs in the signal transmission of multiple remote equipments, multiple distal ends are being disposed Existing space requirement is high when equipment, and engineering design is complicated, and enforcement difficulty is big, the problem of wires design flexibility difference.The present invention In the technical solution that embodiment provides, the network equipment determines that each distal end convergence device is corresponding at least one distal end convergence device Propagation delay time, according in the corresponding propagation delay time of each distal end convergence device maximum transmitted time delay be arranged standard time delay, should When corresponding as the distal end convergence device caching of difference between standard time delay propagation delay time corresponding with distal end convergence device Prolong, in this way by transmitting signal between the distal end convergence device and the network equipment when transmitting terminal postpone after the caching delay to connecing Receiver-side transmission signal, so that multiple remote equipments reach the time delay of the network equipment to the uplink signal that consolidated network equipment is transmitted Identical, the time delay that consolidated network equipment reaches this multiple remote equipment to the downlink signal that multiple remote equipments transmit is identical, from The multipath occurred when can be transmitted without the method using space obstacle to avoid signal between the network equipment and remote equipment Interference phenomenon facilitates to simplify engineering design when disposing multiple remote equipments, reduces enforcement difficulty, improve the spirit of wires design Activity.Wherein, method and apparatus be based on the same inventive concept, since the principle that method and apparatus solves the problems, such as is similar, because The implementation of this apparatus and method for can be with cross-reference, and overlaps will not be repeated.

The present embodiments relate to indoor distributed system.Indoor distributed system, which can be divided into, is used for transmission analog signal Indoor distributed system and the indoor distributed system for being used for transmission digital signal, currently used indoor distributed system are to be used for transmission The indoor distributed system of digital signal.The equipment being used for transmission in the indoor distributed system of analog signal includes but is not limited to distal end Equipment, distal end convergence device, baseband processing equipment (Building Base band Unit, BBU), power splitter, coupler etc. are set Standby, Figure 1A shows a kind of indoor distributed system for being traditionally used for transmission of analogue signal.As shown in Figure 1A, these are used for transmission mould Equipment in the indoor distributed system of quasi- signal is connected using tree, and multiple miniature antennas (i.e. remote equipment) pass through tree-shaped knot Structure converges to the same power splitter, is linked into radio frequency remote equipment (Radio Remote Unit, RRU) by coupler, multiple RRU converges to the same BBU by tree.It is currently used to be used for transmission setting in the indoor distributed system of digital signal The standby including but not limited to equipment such as remote equipment, distal end convergence device, BBU, Figure 1B show a kind of currently used be used for transmission The indoor distributed system of digital signal.As shown in Figure 1B, these are used for transmission the equipment in the indoor distributed system of digital signal It is connected using tree, multiple micro-strip radio frequency remote equipments (Pico Radio Remote Unit, pRRU) pass through tree-shaped knot Structure converges to the same interchanger hub equipment (Route Hub, RHUB), and multiple RHUB are converged to same by tree BBU。

The present embodiments relate to remote equipment, can be used for receiving terminal apparatus transmission uplink signal, Huo Zheke With the downlink signal for sending automatic network equipment to terminal device, multiple remote equipments can be with same distal end convergence device Connection.It can be distinct device in not homologous ray, such as in the indoor distributed system for being traditionally used for transmission of analogue signal Remote equipment can be miniature antenna or similar antenna equipment, in the currently used indoor distribution system for being used for transmission digital signal Distal end convergence device can be RRU or similar antenna equipment in system.

The present embodiments relate to distal end convergence device, can be used for receiving remote equipment transmission from terminal device Uplink signal, or can be used for sending the downlink signal of automatic network equipment to remote equipment, multiple distal end convergence devices It can be connect with consolidated network equipment.It can be distinct device in not homologous ray, such as be traditionally used for transmission simulation letter Number indoor distributed system in distal end convergence device can be miniature antenna or similar devices, be used for transmission number currently used Distal end convergence device can be RHUB or similar devices in the indoor distributed system of signal.

The present embodiments relate to the network equipment, the network equipment includes multiple cells.It is different according to the specific application occasions, The network equipment is properly termed as access point again, or can be refer to the accession in net in the sky on interface by one or more sectors with The equipment or other titles of wireless terminal device communication.The air frame and Internet protocol that base station can be used for receive (Internet Protocol, IP) grouping is mutually converted, as between wireless terminal device and the rest part of access net Router, wherein the rest part for accessing net may include Internet protocol (IP) communication network.Base station also tunable to connecing in the air The attribute management of mouth.For example, base station can be global system for mobile communications (Global System for Mobile Communications, GSM) or CDMA access (Code Division Multiple Access, CDMA) in network Equipment (BTS, Base Transceiver Station) is also possible to bandwidth CDMA access (Wide-band Code Division Multiple Access, WCDMA) in the network equipment (NodeB), the evolved network being also possible in LTE Equipment (Evolutional Node B, eNB or e-NodeB) can also be the new wireless system of 5G or 5G (New Radio, NR) In the network equipment, do not limit in the embodiment of the present invention.

The present embodiments relate to terminal device, user can be directed to, setting for voice and/or data connectivity is provided It is standby, there is the handheld device of wireless connecting function or be connected to other processing equipments of radio modem.Wireless terminal Equipment can be communicated through wireless access network (Radio Access Network, RAN) with one or more core nets, wirelessly User equipment can be mobile terminal device, such as mobile phone (or be " honeycomb " phone) and the meter with mobile terminal device Calculation machine, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they and nothing Line access exchanges language and/or data.For example, personal communication service (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiated Protocol, SIP) phone, Wireless Local Loop Road (Wireless Local Loop, WLL) stands, personal digital assistant (Personal Digital Assistant, PDA) etc. Equipment.Wireless user equipment is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal equipment (Remote Terminal), are used access terminal equipment (Access Terminal) Family terminal device (User Terminal), user agent (User Agent), user equipment (User Device) or user's dress Terminal device in standby (User Equipment), 5G or 5G NR.

The each embodiment of the present invention is described in detail with reference to the accompanying drawings of the specification.

As shown in Fig. 2, the embodiment of the invention provides a kind of method for transmitting signals, this method comprises:

S201: when the network equipment determines at least one distal end convergence device the corresponding transmission of each distal end convergence device Prolong, which transmits time delay when signal between the corresponding distal end convergence device of the propagation delay time and the network equipment.

In the present embodiment, uplink signal transmissions successively pass through terminal device, remote equipment, distal end remittance in indoor distributed system The network equipment, distal end convergence device, remote equipment, terminal device are successively passed through in poly- equipment, the network equipment, downlink signal transmission. Propagation delay time between terminal device and the network equipment include the corresponding propagation delay time of distal end convergence device, distal end convergence device with Time delay when transmitting signal, i.e. biography between terminal device and the network equipment are accessed between the remote equipment of the distal end convergence device Defeated time delay is equal to the corresponding propagation delay time of distal end convergence device and distal end convergence device and accesses the distal end of the distal end convergence device The sum of time delay when transferring signals between devices.Further, each distal end convergence device and the distal end convergence device is accessed The distance between at least one remote equipment is set as no more than preset threshold, such as each distal end convergence device and to access this remote Hold the distance between at least one remote equipment of convergence device to be not more than 100 meters so that each distal end convergence device with It accesses the time delay that signal transmits between at least one remote equipment of the distal end convergence device and is far smaller than the distal end convergence device Corresponding propagation delay time can ignore the former for the shadow of the propagation delay time between terminal device and the network equipment in the case It rings, i.e., can use the corresponding propagation delay time of distal end convergence device in the case to substitute the corresponding transmission of distal end convergence device The sum of time delay between time delay and distal end convergence device and the remote equipment for accessing the distal end convergence device when transmission signal, will be remote Hold the corresponding propagation delay time of convergence device as the propagation delay time between terminal device and the network equipment.

Optionally, the network equipment can be at least one corresponding propagation delay time of distal end convergence device of automatic measurement in S201. Such as the network equipment can periodically at least one corresponding propagation delay time of distal end convergence device of automatic measurement, or when new The distal end convergence device of distal end convergence device access network device or script access network device disconnect with the network equipment it Between connection when, the network equipment re-measures at least one corresponding propagation delay time of distal end convergence device automatically.

In S201, the network equipment method can determine at least one distal end convergence device one of by the following method In the corresponding propagation delay time of each distal end convergence device:

First method: for each distal end convergence device, the network equipment is sent out at the first moment to the distal end convergence device Training signal is sent, which is used to indicate after the distal end convergence device receives training signal and sends out immediately to the network equipment Trained response signal is sent, which receives after the training signal according to the instruction of the training signal immediately to network Equipment sends training response signal, the training response signal that the network equipment is sent in the second reception distal end convergence device. Signal is transmitted to distal end convergence device since the time interval between the second moment and the first moment includes primary network equipment Time spent by the process of time spent by process and primary distal end convergence device to network equipment transmission signal, network are set It is standby to be set using the time spent by process of the primary network equipment to distal end convergence device transmission signal as distal end convergence Standby corresponding propagation delay time, the network equipment can also be consumed primary distal end convergence device to the process of network equipment transmission signal The time taken as the corresponding propagation delay time of distal end convergence device, therefore the network equipment can according to the second moment with first when Time interval between quarter determines the corresponding propagation delay time of distal end convergence device；Such as it will be between the second moment and the first moment The half of time interval be determined as the corresponding propagation delay time of distal end convergence device.

Second method: for each distal end convergence device, the network equipment is sent out at the first moment to the distal end convergence device It is taken after sending the test signal for the information for carrying for the first moment, distal end convergence device to receive test signal according to the test signal The information at the first moment of band determines the corresponding propagation delay time of distal end convergence device, and the determining distal end convergence device is corresponding Propagation delay time be sent to the network equipment, the network equipment receive distal end convergence device send the distal end convergence device it is corresponding Propagation delay time.Optionally, the system clock between the network equipment and distal end convergence device can also be carried in the test signal Error amount, so that distal end convergence device can be corresponding to the determining distal end convergence device according to the error amount of the system clock Propagation delay time be modified.

It should be noted that the network equipment can also pass through in S201 other than first method and second method Other methods determine the corresponding propagation delay time of each distal end convergence device at least one distal end convergence device, in the present embodiment simultaneously It does not limit.For example, the network equipment can also determine that each distal end is converged at least one distal end convergence device according to reference signal The corresponding propagation delay time of poly- equipment, the reference signal may include uplink reference signals or downlink reference signal, in the present embodiment It does not limit.

Optionally, the network equipment is according to each distal end convergence device at least one determining distal end convergence device and transmission The corresponding relationship of time delay obtains the corresponding propagation delay time table of each distal end convergence device at least one distal end convergence device.It is false Equipped with 4 distal end convergence devices, respectively distal end convergence device A, distal end convergence device B, distal end convergence device C and distal end are converged Poly- equipment D, this corresponding propagation delay time of 4 distal end convergence devices are respectively T1, T2, T3 and T4, this 4 distal end convergence devices In the corresponding propagation delay time table of each distal end convergence device it is as shown in table 1 below.

The corresponding propagation delay time table of each distal end convergence device at least one the distal end convergence device of table 1

S202: mark is arranged according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device in the network equipment Prolong on time, wherein the standard time delay is greater than or equal to maximum transmitted time delay, standard time delay biography corresponding with distal end convergence device Difference between defeated time delay is as the corresponding caching delay of distal end convergence device, the corresponding caching delay of distal end convergence device Transmitting terminal transmits after postponing the caching delay to receiving end when for transmitting signal between the distal end convergence device and the network equipment Signal.

The network equipment determine at least one distal end convergence device the corresponding propagation delay time of each distal end convergence device it Afterwards, when standard is arranged according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device in the network equipment in S202 Prolong, the difference between standard time delay propagation delay time corresponding with distal end convergence device is corresponding slow as the distal end convergence device Time delay is deposited, when transmitting terminal postpones the caching when so as to by transmitting signal between the distal end convergence device and the network equipment It delays to receiving end and transmits signal, set so that multiple remote equipments reach the network to the uplink signal that consolidated network equipment is transmitted Standby time delay is identical, or the downlink signal that consolidated network equipment is transmitted to multiple remote equipments reaches this multiple distal end and sets Standby time delay is identical, without that can be passed using the method for space obstacle to avoid signal between the network equipment and remote equipment The multi-path jamming phenomenon occurred when defeated simplifies engineering design when disposing multiple remote equipments, reduces enforcement difficulty, improves The flexibility of wires design.

The network equipment is arranged according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device in S202 There are many ways to standard time delay, does not limit in the present embodiment.One of method are as follows: the network equipment can be by each distal end Maximum transmitted time delay in the corresponding propagation delay time of convergence device is set as standard time delay.Another method are as follows: the network equipment can To select one from reference time delay table according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device Greater than the reference time delay of the maximum transmitted time delay, standard time delay is set by the reference time delay selected, wherein this refers to time delay Table is that the network equipment is pre-set.

It illustrates, it is assumed that have 3 distal end convergence devices, this corresponding propagation delay time of 3 distal end convergence devices is respectively T1, t2, t3, t3 are the maximum transmitted time delay in this corresponding propagation delay time of 3 distal end convergence devices, as shown in Figure 3A, network Equipment can set t3 to standard time delay.

In the present embodiment, convergence device corresponding caching delay in distal end can be what the network equipment determined, be also possible to remote It holds convergence device to determine, is not limited in the present embodiment.When introducing the corresponding caching of three kinds of determining convergence devices separately below The method prolonged:

First method: after S202, each distal end convergence of the network equipment at least one distal end convergence device Equipment sends instruction information, and it is corresponding with the distal end convergence device of the instruction information is received which is used to indicate standard time delay Propagation delay time, receive in this way the instruction information distal end convergence device can according to the instruction information by determine the standard when Prolong the difference between the corresponding propagation delay time of distal end convergence device and is determined as the corresponding caching delay of distal end convergence device.

Second method: after S202, the network equipment is determined as each distal end at least one distal end convergence device The corresponding caching delay of convergence device, the corresponding caching delay of distal end convergence device are standard time delay and the distal end convergence device Difference between corresponding propagation delay time.Further, when transmitting signal between the distal end convergence device and the network equipment, net Network equipment can postpone the backward distal end convergence device transmission signal of the corresponding caching delay of distal end convergence device.

The third method: after S202, the network equipment by standard time delay with it is every at least one distal end convergence device Difference between the corresponding propagation delay time of a distal end convergence device is determined as the corresponding caching delay of distal end convergence device, and to The distal end convergence device sends instruction information, which is used to indicate the distal end convergence device correspondence for receiving the instruction information Caching delay, such distal end convergence device receive the instruction information instruction the corresponding caching delay of distal end convergence device.

It illustrates, it is assumed that have 3 distal end convergence devices, this corresponding propagation delay time of 3 distal end convergence devices is respectively T1, t2, t3, t3 are the maximum transmitted time delay in this corresponding propagation delay time of 3 distal end convergence devices, as shown in Figure 3B.Network Equipment is delayed when setting standard for t3, and t1 and the difference t13 of t3 can be determined as the corresponding distal end t1 and converged by the network equipment The corresponding caching delay of equipment, and it is corresponding slow to t1 corresponding distal end convergence device transmission to be used to indicate the distal end convergence device Deposit the instruction information of time delay t13；It is corresponding that t2 and the difference t23 of t3 are determined as the corresponding distal end convergence device of t2 by the network equipment Caching delay, and the corresponding caching delay t23 of the distal end convergence device is used to indicate to the corresponding distal end convergence device transmission of t2 Instruction information.

By above-mentioned first method and the third method, distal end convergence device can determine that the distal end convergence device is corresponding Caching delay, the operation of the subsequent distal end convergence device will be described below, and details are not described herein again.

In the present embodiment, uplink letter is transmitted when signal includes uplink signal, between distal end convergence device and the network equipment Number when transmitting terminal be the network equipment, receiving end be distal end convergence unit；When signal includes downlink signal, distal end convergence device with Transmitting terminal is distal end convergence unit when transmission of downlink signal between the network equipment, and receiving end is the network equipment.Include for signal The case where uplink signal and signal include the case where downlink signal, are introduced between distal end convergence device and the network equipment separately below Transmitting terminal postpones the method for transmitting signal to receiving end after the caching delay when transmitting signal:

Situation one: when signal includes uplink signal, distal end convergence device determines the corresponding caching of distal end convergence device After time delay, postpones the corresponding caching delay of distal end convergence device and transmit the uplink letter from remote equipment to the network equipment Number, which receives the uplink signal from remote equipment of distal end convergence device transmission, multiple so as to realize The time delay that remote equipment reaches the network equipment to the uplink signal that consolidated network equipment is transmitted is identical, avoids the network equipment and remote Multi-path jamming phenomenon when uplink signal is transmitted between end equipment.Wherein distal end convergence device determines that the distal end convergence device is corresponding The method of caching delay see above, details are not described herein again.

Situation two: when signal includes downlink signal, after the network equipment determines the corresponding caching delay of distal end convergence device, Postpone the backward distal end convergence device transmission of downlink signal of the corresponding caching delay of distal end convergence device, the distal end convergence device After receiving the downlink signal from the network equipment, received downlink signal is transmitted to remote equipment, it is same so as to realize The time delay that the network equipment reaches this multiple distal end convergence device to the downlink signal that multiple distal end convergence devices transmit is identical, avoids Multi-path jamming phenomenon between the network equipment and distal end convergence device when transmission of downlink signal.Wherein the network equipment determines that distal end is converged The method of the corresponding caching delay of poly- equipment is seen above, and details are not described herein again.

Optionally, in S202 the network equipment according to each distal end convergence device pair at least one distal end convergence device In the propagation delay time answered maximum transmitted time delay setting standard time delay before, for be connected with the network equipment at least all the way distally Convergence device, due to the transmission between the afterbody distal end convergence device and the network equipment in the convergence device of each great distance end The length longest in path, therefore the network equipment is corresponding by the afterbody distal end convergence device in the convergence device of each great distance end Propagation delay time is determined as the corresponding propagation delay time of great distance end convergence device.In order to guarantee this multichannel distal end convergence device with it is same The signal of transmitting terminal transmission can reach receiving end in synchronization when transmitting signal between the network equipment, and the network equipment will at least Maximum transmitted time delay in the convergence device of distal end in the corresponding propagation delay time of each great distance end convergence device all the way, is determined as at least Maximum transmitted time delay in the convergence device of distal end in the corresponding propagation delay time of each distal end convergence device all the way.

For the method that the above-mentioned network equipment determines maximum transmitted time delay, at least all the way distal end convergence device by least one Distal end convergence device composition, afterbody distal end convergence device are all the way in the convergence device of distal end the distance between with the network equipment Farthest distal end convergence device.By taking indoor distributed system as shown in Figure 4 A as an example, group after 3 distal end convergence device single channel cascades It is connected at distal end convergence device all the way with the network equipment, the afterbody distal end convergence device in the great distance end convergence device is remote Hold convergence device 3.By taking indoor distributed system as shown in Figure 4 B as an example, formed all the way after 3 distal end convergence device single channel cascades Distal end convergence device is connected after the convergence device parallel cascade of n great distance end, in the convergence device of first via distal end most with the network equipment Rear stage distal end convergence device is distal end convergence device 13, and so on, the afterbody distal end in the n-th great distance end convergence device Convergence device is distal end convergence device n3.

Introduce separately below be connected with the network equipment at least all the way the quantity of distal end convergence device be one or more In the case where, the network equipment determines each distal end convergence device pair at least one distal end convergence device using the above method The specific steps of maximum transmitted time delay in the propagation delay time answered:

The first situation: when at least quantity of distal end convergence device all the way being connected in indoor distributed system with the network equipment For all the way when, the network equipment can be by the corresponding propagation delay time of afterbody distal end convergence device in the great distance end convergence device It is determined as maximum transmitted time delay.

Second situation: when at least quantity of distal end convergence device all the way being connected in indoor distributed system with the network equipment When for multichannel, the network equipment can be respectively by the afterbody in this multichannel distal end convergence device in the convergence device of each great distance end Convergence device corresponding propagation delay time in distal end is determined as the corresponding propagation delay time of great distance end convergence device, and the network equipment is more by this Maximum transmitted time delay in the convergence device of great distance end in the corresponding propagation delay time of each great distance end convergence device, is determined as at least one Maximum transmitted time delay in a distal end convergence device in the corresponding propagation delay time of each distal end convergence device.Optionally, this multichannel Convergence device corresponding propagation delay time in each great distance end is also possible to pre-set in the convergence device of distal end, this is pre-set Propagation delay time need to be greater than or equal to the corresponding propagation delay time of afterbody distal end convergence device in the great distance end convergence device.

It should be noted that other than the above-mentioned network equipment determines the method for maximum transmitted time delay, the net before S202 Network equipment can also determine the corresponding transmission of each distal end convergence device at least one distal end convergence device using other methods The maximum transmitted time delay of Shi Yanzhong does not limit in the present embodiment.

In a kind of method for transmitting signals provided in an embodiment of the present invention, the network equipment determines at least one distal end convergence device In the corresponding propagation delay time of each distal end convergence device, passed according to the maximum in the corresponding propagation delay time of each distal end convergence device Standard time delay is arranged in defeated time delay, and the difference between standard time delay propagation delay time corresponding with distal end convergence device is as the distal end The corresponding caching delay of convergence device, it is slow to postpone this for transmitting terminal when transmitting signal between the distal end convergence device and the network equipment It deposits and transmits signal to receiving end after time delay.The method for transmitting signals provided through the embodiment of the present invention can make multiple distal ends The time delay that equipment reaches the network equipment to the uplink signal that consolidated network equipment is transmitted is identical, or can make consolidated network The time delay that equipment reaches this multiple remote equipment to the downlink signal that multiple remote equipments transmit is identical, without utilizing space The multi-path jamming phenomenon that the method for barrier occurs when can transmit to avoid signal between the network equipment and remote equipment, is being disposed Facilitate to simplify engineering design when multiple remote equipments, reduces enforcement difficulty, improve the flexibility of wires design.

As shown in figure 5, the embodiment of the invention provides a kind of method for transmitting signals, this method comprises:

S501: distal end convergence device receives the instruction information that the network equipment is sent, which converges for distal end and set Standby to determine caching delay, transmitting terminal delay is slow when which is used to transmit signal between distal end convergence device and the network equipment It deposits and transmits signal to receiving end after time delay.

S502: distal end convergence device determines caching delay according to instruction information.

In the present embodiment, difference of the caching delay between standard time delay propagation delay time corresponding with distal end convergence device, The propagation delay time transmits time delay when signal, the standard between the corresponding distal end convergence device of the propagation delay time and the network equipment Time delay is that the network equipment is corresponding according to distal end convergence device each at least one the distal end convergence device for accessing the network equipment Propagation delay time in maximum transmitted time delay setting.

The corresponding caching delay of distal end convergence device, propagation delay time, standard time delay in method for transmitting signals shown in Fig. 5 With Fig. 2 shows method for transmitting signals in the corresponding caching delay of distal end convergence device, propagation delay time, standard time delay it is identical, The associated description in method for transmitting signals shown referring to fig. 2, details are not described herein again.

Further, the distance between at least one remote equipment of distal end convergence device and access the distal end convergence device Be set as no more than preset threshold, for example, distal end convergence device and access the distal end convergence device at least one remote equipment it Between distance be not more than 100 meters so that distal end convergence device with access the distal end convergence device at least one distally set The time delay of signal transmission is far smaller than the corresponding propagation delay time of distal end convergence device between standby, before can ignoring in the case Influence of the person for the propagation delay time between terminal device and the network equipment, using the corresponding propagation delay time of distal end convergence device as Propagation delay time between terminal device and the network equipment.

In S502 distal end convergence device according to instruction information determine caching delay method can there are many, in the present embodiment It does not limit.The method that distal end convergence device determines caching delay according to instruction information in two kinds of S502 is introduced separately below:

First method: after distal end convergence device receives the instruction information that the network equipment is sent in S501, in S502 Distal end convergence device is using the difference between standard time delay propagation delay time corresponding with distal end convergence device as distal end convergence device Corresponding caching delay, it is corresponding with the distal end convergence device of the instruction information is received which is used to indicate standard time delay Propagation delay time.

This first method with Fig. 2 shows the corresponding embodiment of method for transmitting signals in the first determine that distal end convergence is set The method of standby corresponding caching delay is identical, reference can be made to Fig. 2 shows the corresponding embodiment of method for transmitting signals in the first really The associated description of the method for the corresponding caching delay of Dingyuan end convergence device, details are not described herein again.

Second method: after distal end convergence device receives the instruction information that the network equipment is sent in S501, in S502 Distal end convergence device receives the instruction information that the network equipment is sent, and it is corresponding which is used to indicate the distal end convergence device Caching delay.

This second method with Fig. 2 shows the corresponding embodiment of method for transmitting signals in the third determine that distal end convergence is set The method of standby corresponding caching delay is identical, reference can be made to Fig. 2 shows the corresponding embodiment of method for transmitting signals in the third really The associated description of the method for the corresponding caching delay of Dingyuan end convergence device, details are not described herein again.

It should be noted that distal end convergence device can also use its other party in S502 other than above two method Method determines caching delay, does not limit in the present embodiment.

In the present embodiment, uplink letter is transmitted when signal includes uplink signal, between distal end convergence device and the network equipment Number when transmitting terminal be the network equipment, receiving end be distal end convergence unit；When signal includes downlink signal, distal end convergence device with Transmitting terminal is distal end convergence unit when transmission of downlink signal between the network equipment, and receiving end is the network equipment.The distal end in S502 It is sent when transmitting signal after convergence device determines caching delay according to instruction information, between distal end convergence device and the network equipment It holds there are many ways to transmitting signal to receiving end after postponing the caching delay, is not limited in the present embodiment.Below with signal For uplink signal or downlink signal both of these case, introduces transmitted between distal end convergence device and the network equipment respectively Transmitting terminal postpones the method for transmitting signal to receiving end after the caching delay when signal:

Situation one: when signal includes uplink signal, distal end convergence device determines caching according to instruction information in S502 After time delay, which is come from distally after postponing the corresponding caching delay of distal end convergence device to network equipment transmission The uplink signal of equipment, the in this way network equipment can receive the uplink from remote equipment of distal end convergence device transmission Signal reaches the time delay of the network equipment so as to realize multiple remote equipments to the uplink signal that consolidated network equipment is transmitted It is identical, avoid multi-path jamming phenomenon when transmitting uplink signal between the network equipment and remote equipment.

Situation two: when signal includes downlink signal, distal end convergence device receives the downlink signal that the network equipment is sent, should Downlink signal postpones what the corresponding caching delay of distal end convergence device was transmitted to the distal end convergence device for the network equipment, thus Consolidated network equipment may be implemented and reach this multiple distal end convergence device to the downlink signal that multiple distal end convergence devices transmit Time delay is identical, avoids multi-path jamming phenomenon when transmission of downlink signal between the network equipment and distal end convergence device.

Further, after the downlink signal that distal end convergence device receives that the network equipment is sent, distal end convergence device can It, can since the distance between distal end convergence device and remote equipment are shorter the downlink signal is sent to remote equipment The time delay phase of this multiple remote equipment is reached to realize same distal end convergence device to the downlink signal that multiple remote equipments transmit Together, so may be implemented consolidated network equipment to the downlink signal that multiple remote equipments transmit reach this multiple remote equipment when Prolong identical, avoids multi-path jamming phenomenon when transmission of downlink signal between the network equipment and distal end convergence device.

Before distal end convergence device determines caching delay according to instruction information in S502, distal end convergence device determines that this is remote Hold the corresponding propagation delay time of convergence device method can there are many, do not limited in the present embodiment.One in this variety of method Kind method are as follows: before distal end convergence device obtains the corresponding caching delay of distal end convergence device, distal end convergence device receives network The training signal that equipment is sent, the training signal are used to indicate distal end convergence device and receive training signal later immediately to network Equipment sends training response signal, and distal end convergence device sends training response signal to the network equipment, so that the network equipment receives It can be when the training response signal determines the distal end convergence device corresponding transmission based on the received after to the training response signal Prolong.Another method in this variety of method are as follows: the test letter that distal end convergence device is sent in the third reception network equipment Number, which is the test signal for the information for carrying for the first moment that the network equipment was sent at the first moment, distal end remittance The difference at the first moment and third moment is determined as this far by the information at the first moment that poly- equipment is carried according to the test signal The corresponding propagation delay time of convergence device is held, and the determining corresponding propagation delay time of distal end convergence device is sent to network and is set It is standby, so that the network equipment can receive the corresponding propagation delay time of distal end convergence device of distal end convergence device transmission.Optionally, The error amount of the system clock between the network equipment and distal end convergence device can also be carried in the test signal, so as to distal end Convergence device can repair the determining corresponding propagation delay time of distal end convergence device according to the error amount of the system clock Just.

It should be noted that can also determine distal end convergence device by other methods other than above two method The method of corresponding propagation delay time does not limit in the present embodiment.

In a kind of method for transmitting signals provided in an embodiment of the present invention, distal end convergence device receives the finger that the network equipment is sent Show information, which determines caching delay for distal end convergence device, and distal end convergence device determines slow according to instruction information Time delay is deposited, is delayed when transmitting terminal delay buffer when which is used to transmit signal between distal end convergence device and the network equipment Signal is transmitted to receiving end, transmitting terminal prolongs when transmitting signal between the distal end convergence device and the network equipment so as to realize Signal is transmitted to receiving end after the slow caching delay.The method for transmitting signals provided through the embodiment of the present invention can make more The time delay that a remote equipment reaches the network equipment to the uplink signal that consolidated network equipment is transmitted is identical, or can make same The time delay that one network equipment reaches this multiple remote equipment to the downlink signal that multiple remote equipments transmit is identical, without benefit The multi-path jamming phenomenon occurred when can be transmitted with the method for space obstacle to avoid signal between the network equipment and remote equipment, Facilitate to simplify engineering design when disposing multiple remote equipments, reduces enforcement difficulty, improve the flexibility of wires design.

Based on above embodiments, the embodiment of the invention also provides a kind of network equipment, which can use Fig. 2 The method that corresponding embodiment provides, as shown in fig.6, the network equipment includes: processing unit 601.

Processing unit 601, for determining the corresponding transmission of each distal end convergence device at least one distal end convergence device Time delay, propagation delay time transmit time delay when signal between the corresponding distal end convergence device of the propagation delay time and the network equipment；Root According to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device, standard time delay is set；Wherein, standard time delay is big In or be equal to maximum transmitted time delay, the difference between standard time delay propagation delay time corresponding with distal end convergence device is as the distal end The corresponding caching delay of convergence device, the corresponding caching delay of distal end convergence device are used for the distal end convergence device and the network equipment Between when transmitting signal transmitting terminal postpone to transmit signal to receiving end after the caching delay.

Optionally, the network equipment further include: Transmit-Receive Unit 602, for being set in processing unit 601 according to the convergence of each distal end After maximum transmitted time delay setting standard time delay in standby corresponding propagation delay time, respectively at least one distal end convergence device Each distal end convergence device send instruction information, instruction information be used to indicate standard time delay and receive the instruction information distal end The corresponding propagation delay time of convergence device.

Optionally, processing unit 601 is also used to: according to the maximum in the corresponding propagation delay time of each distal end convergence device Propagation delay time is arranged after standard time delay, determines that each distal end convergence device at least one distal end convergence device is corresponding slow Time delay is deposited, convergence device corresponding caching delay in distal end is between standard time delay propagation delay time corresponding with the distal end convergence device Difference.

Optionally, the network equipment further include: Transmit-Receive Unit 602, for determining that at least one distal end is converged in processing unit 601 It is every at least one distal end convergence device respectively after the corresponding caching delay of each distal end convergence device in poly- equipment A distal end convergence device sends instruction information, instruction information be used to indicate receive the instruction information distal end convergence device it is corresponding Caching delay.

Optionally, between each distal end convergence device and at least one remote equipment for accessing the distal end convergence device away from From no more than preset threshold.

Optionally, processing unit 601 determines the corresponding biography of each distal end convergence device at least one distal end convergence device It is delayed, is specifically used for when defeated: for each distal end convergence device, being converged by Transmit-Receive Unit 602 to the distal end at the first moment Equipment sends training signal, and training signal is used to indicate after the distal end convergence device receives training signal and sets immediately to network Preparation send trained response signal；The training response that the distal end convergence device is sent is received by Transmit-Receive Unit 602 at the second moment Signal；The corresponding propagation delay time of the distal end convergence device is determined according to the time interval between the second moment and the first moment.

Optionally, processing unit 601 is also used to: according to the maximum in the corresponding propagation delay time of each distal end convergence device Propagation delay time is arranged before standard time delay, for at least distal end convergence device all the way being connected with the network equipment, by each great distance It is corresponding that the corresponding propagation delay time of afterbody distal end convergence device in the convergence device of end is determined as the great distance end convergence device Propagation delay time, by at least maximum transmitted in the convergence device of distal end in the corresponding propagation delay time of each great distance end convergence device all the way Time delay is determined as maximum transmitted time delay；Wherein, at least distal end convergence device is made of at least one distal end convergence device all the way, most Rear stage distal end convergence device is distal end convergence device farthest with the distance between the network equipment in distal end convergence device all the way.

It should be noted that being schematical, only a kind of logic function to the division of unit in the embodiment of the present invention It divides, there may be another division manner in actual implementation.In addition, each functional unit in each embodiment of the application can be with It is integrated in a processing unit, is also possible to each unit and physically exists alone, it can also be with two or more unit collection At in a unit.Above-mentioned integrated unit both can take the form of hardware realization, can also use SFU software functional unit Form realize.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (Processor) execute the application The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk Etc. the various media that can store program code.

Based on above embodiments, the embodiment of the invention also provides a kind of network equipment, the network equipment is corresponding using Fig. 2 Embodiment provide method, can be with the network equipment shown in fig. 6 is identical equipment.As shown in fig.7, the network is set Standby includes: processor 701, transceiver 702, bus 703 and memory 704, in which:

Processor 701 executes following process for reading the program in memory 704:

Processor 701, when for determining at least one distal end convergence device the corresponding transmission of each distal end convergence device Prolong, propagation delay time transmits time delay when signal between the corresponding distal end convergence device of the propagation delay time and the network equipment；According to Standard time delay is arranged in maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device；Wherein, standard time delay is greater than Or it is equal to maximum transmitted time delay, the difference between standard time delay propagation delay time corresponding with distal end convergence device is converged as the distal end The corresponding caching delay of poly- equipment, the corresponding caching delay of distal end convergence device for the distal end convergence device and the network equipment it Between when transmitting signal transmitting terminal postpone to transmit signal to receiving end after the caching delay.

Optionally, processor 701 is also used to: being passed according to the maximum in the corresponding propagation delay time of each distal end convergence device After defeated time delay setting standard time delay, by transceiver 702, each distal end at least one distal end convergence device is converged respectively Poly- equipment sends instruction information, and it is corresponding with the distal end convergence device of the instruction information is received that instruction information is used to indicate standard time delay Propagation delay time.

Optionally, processor 701 is also used to: being passed according to the maximum in the corresponding propagation delay time of each distal end convergence device After defeated time delay setting standard time delay, the corresponding caching of each distal end convergence device at least one distal end convergence device is determined Time delay, convergence device corresponding caching delay in distal end is between standard time delay propagation delay time corresponding with the distal end convergence device Difference.

Optionally, processor 701 is also used to: determining each distal end convergence device at least one distal end convergence device After corresponding caching delay, set by each distal end convergence of the transceiver 702 respectively at least one distal end convergence device Preparation send instruction information, and instruction information is used to indicate the corresponding caching delay of distal end convergence device for receiving the instruction information.

Optionally, processor 701 determines the corresponding transmission of each distal end convergence device at least one distal end convergence device When be delayed, be specifically used for: for each distal end convergence device, at the first moment by transceiver 702 to the distal end convergence device Training signal is sent, training signal is used to indicate after the distal end convergence device receives training signal and sends out immediately to the network equipment Send trained response signal；The training response signal that the distal end convergence device is sent is received by transceiver 702 at the second moment；Root The corresponding propagation delay time of the distal end convergence device is determined according to the time interval between the second moment and the first moment.

Optionally, processor 701 is also used to: being passed according to the maximum in the corresponding propagation delay time of each distal end convergence device Before defeated time delay setting standard time delay, for at least distal end convergence device all the way being connected with the network equipment, by each great distance end The corresponding propagation delay time of afterbody distal end convergence device in convergence device is determined as the corresponding biography of great distance end convergence device Defeated time delay, by least all the way maximum transmitted in the convergence device of distal end in the corresponding propagation delay time of each great distance end convergence device when Prolong and is determined as maximum transmitted time delay；Wherein, at least distal end convergence device is made of at least one distal end convergence device all the way, finally Level-one distal end convergence device is distal end convergence device farthest with the distance between the network equipment in distal end convergence device all the way.

Transceiver 702, for sending and receiving data under the control of processor 701.

Processor 701, transceiver 702 and memory 704 are connected with each other by bus 703；Bus 703 can be peripheral hardware Component connection standard (peripheral component interconnect, PCI) bus or expanding the industrial standard structure (extended industry standard architecture, EISA) bus etc..It is total that the bus can be divided into address Line, data/address bus, control bus etc..

Wherein, in Fig. 7, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 701 The various circuits for the memory that the one or more processors and memory 704 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 702 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.Processor 701, which is responsible for management bus architecture and common processing, memory 704, can store processor 701 and is executing operation When used data.

Optionally, processor 701 is to be central processing unit, specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-Programmable Gate Array, ) or Complex Programmable Logic Devices (Complex Programmable Logic Device, CPLD) FPGA.

Based on above embodiments, the embodiment of the invention also provides a kind of distal end convergence devices, which can In the method provided using the corresponding embodiment of Fig. 5, as shown in fig.8, distal end convergence device includes: Transmit-Receive Unit 801 and place Manage unit 802.

Transmit-Receive Unit 801, for receiving the instruction information of network equipment transmission, instruction information is true for distal end convergence device Determine caching delay, transmitting terminal delay buffer time delay when caching delay is used to transmit signal between distal end convergence device and the network equipment Transmit signal in backward receiving end；

Processing unit 802, for determining caching delay according to instruction information.

Optionally, instruction information determines caching delay for distal end convergence device, specifically: instruction information is used to indicate slow Deposit time delay；

Optionally, instruction information determines caching delay for distal end convergence device, specifically: instruction information is used to indicate mark Prolong propagation delay time corresponding with distal end convergence device on time.

Processing unit 802 is specifically used for: when determining caching delay according to instruction information by standard time delay and propagation delay time Between difference as caching delay, propagation delay time transmits time delay when signal between distal end convergence device and the network equipment, Standard time delay is the network equipment according in the corresponding propagation delay time of distal end convergence device each at least one distal end convergence device Maximum transmitted time delay setting.

Optionally, the distance between at least one remote equipment of distal end convergence device and access distal end convergence device is little In preset threshold.

Optionally, Transmit-Receive Unit 801 is also used to: before receiving the instruction information that the network equipment is sent, being received network and is set The training signal that preparation is sent, training signal are used to indicate distal end convergence device and receive training signal later immediately to the network equipment Send training response signal；Training response signal is sent to the network equipment, training response signal determines distal end for the network equipment The corresponding propagation delay time of convergence device.

Based on above embodiments, the embodiment of the invention also provides a kind of distal end convergence devices, which can The method provided using the corresponding embodiment of Fig. 5, can be equipment identical with distal end convergence device shown in Fig. 8.Refering to Fig. 9 Shown, which includes: processor 901, transceiver 902, bus 903 and memory 904, in which:

Processor 901 executes following process for reading the program in memory 904:

Processor 901, for receiving the instruction information that the network equipment is sent by transceiver 902, instruction information is for remote End convergence device determines caching delay, transmitting terminal when caching delay is used to transmit signal between distal end convergence device and the network equipment Signal is transmitted to receiving end after delay buffer time delay；Caching delay is determined according to instruction information.

Optionally, instruction information determines caching delay for distal end convergence device, specifically: instruction information is used to indicate slow Deposit time delay；Wherein, difference of the caching delay between standard time delay propagation delay time corresponding with distal end convergence device, propagation delay time Time delay when signal is transmitted between distal end convergence device and the network equipment, standard time delay is that the network equipment is remote according at least one Hold the maximum transmitted time delay setting in convergence device in the corresponding propagation delay time of each distal end convergence device.

Processor 901 is specifically used for when determining caching delay according to instruction information: by standard time delay and propagation delay time it Between difference as caching delay, propagation delay time transmits time delay when signal between distal end convergence device and the network equipment, mark Prolong on time as the network equipment according in the corresponding propagation delay time of distal end convergence device each at least one distal end convergence device The setting of maximum transmitted time delay.

Optionally, processor 901 are also used to before receiving the instruction information that the network equipment is sent by transceiver 902, The training signal that the network equipment is sent is received by transceiver 902, training signal is used to indicate distal end convergence device and receives instruction Practice signal and sends training response signal to the network equipment immediately later；Training response signal, training response are sent to the network equipment Signal determines the corresponding propagation delay time of distal end convergence device for the network equipment.

Transceiver 902, for sending and receiving data under the control of processor 901.

Processor 901, transceiver 902 and memory 904 are connected with each other by bus 903；Bus 903 can be PCI Bus or eisa bus etc..The bus can be divided into address bus, data/address bus, control bus etc..

Wherein, in Fig. 9, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 901 The various circuits for the memory that the one or more processors and memory 904 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 902 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.Processor 901, which is responsible for management bus architecture and common processing, memory 904, can store processor 901 and is executing operation When used data.

Optionally, processor 901 can be central processing unit, ASIC, FPGA or CPLD.

It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.

The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.

Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of method for transmitting signals characterized by comprising

The network equipment determines the corresponding propagation delay time of each distal end convergence device, the transmission at least one distal end convergence device Time delay transmits time delay when signal between the corresponding distal end convergence device of the propagation delay time and the network equipment；

Mark is arranged according to the maximum transmitted time delay in the corresponding propagation delay time of each distal end convergence device in the network equipment Prolong on time；Wherein, the standard time delay is greater than or equal to the maximum transmitted time delay, and the standard time delay and the distal end are converged Difference between the corresponding propagation delay time of equipment is as the corresponding caching delay of distal end convergence device, the distal end convergence device Transmitting terminal postpones the caching when corresponding caching delay is used to transmit signal between the distal end convergence device and the network equipment Signal is transmitted to receiving end after time delay.

2. the method as described in claim 1, which is characterized in that the network equipment is according to each distal end convergence device pair After maximum transmitted time delay setting standard time delay in the propagation delay time answered, further includes:

Each distal end convergence device at least one described distal end convergence device sends instruction letter to the network equipment respectively Breath, when the instruction information is used to indicate the standard time delay with the reception distal end convergence device of the instruction information corresponding transmission Prolong.

3. the method as described in claim 1, which is characterized in that the network equipment is according to each distal end convergence device pair After maximum transmitted time delay setting standard time delay in the propagation delay time answered, further includes:

When the network equipment determines the corresponding caching of each distal end convergence device at least one described distal end convergence device Prolong, the corresponding caching delay of the distal end convergence device is standard time delay propagation delay time corresponding with the distal end convergence device Between difference.

4. method as claimed in claim 3, which is characterized in that the network equipment determines that at least one described distal end convergence is set After the corresponding caching delay of each distal end convergence device in standby, further includes:

Each distal end convergence device at least one described distal end convergence device sends instruction letter to the network equipment respectively Breath, the instruction information are used to indicate the corresponding caching delay of distal end convergence device for receiving the instruction information.

5. the method as described in Claims 1-4 is any, which is characterized in that each distal end convergence device and to access this remote The distance between at least one remote equipment of convergence device is held to be not more than preset threshold.

6. the method as described in Claims 1-4 is any, which is characterized in that the network equipment determines that at least one distal end is converged The corresponding propagation delay time of each distal end convergence device in poly- equipment, comprising:

For each distal end convergence device, the network equipment sends training letter to the distal end convergence device at the first moment Number, the training signal is used to indicate the distal end convergence device and receives the training signal later immediately to the network equipment Send training response signal；

The trained response signal that the network equipment is sent in the second reception distal end convergence device；

The network equipment determines that distal end convergence is set according to the time interval between second moment and first moment Standby corresponding propagation delay time.

7. the method as described in Claims 1-4 is any, which is characterized in that the network equipment converges according to each distal end Before maximum transmitted time delay setting standard time delay in the corresponding propagation delay time of poly- equipment, further includes:

For be connected with the network equipment at least distal end convergence device, the network equipment converge each great distance end all the way When the corresponding propagation delay time of afterbody distal end convergence device in equipment is determined as the great distance end convergence device corresponding transmission Prolong, by it is described at least all the way maximum transmitted in the convergence device of distal end in the corresponding propagation delay time of each great distance end convergence device when Prolong and is determined as the maximum transmitted time delay；

Wherein, described at least distal end convergence device is made of at least one described distal end convergence device all the way, the afterbody Distal end convergence device is distal end convergence device farthest with the distance between the network equipment in distal end convergence device all the way.

8. a kind of method for transmitting signals characterized by comprising

Distal end convergence device receives the instruction information that the network equipment is sent, and the instruction information is true for the distal end convergence device Determine caching delay, the transmitting terminal when caching delay is used to transmit signal between the distal end convergence device and the network equipment Postpone to transmit signal to receiving end after the caching delay；

The distal end convergence device determines the caching delay according to the instruction information.

9. method according to claim 8, which is characterized in that the instruction information determines slow for the distal end convergence device Time delay is deposited, specifically: the instruction information is used to indicate the caching delay；

Wherein, difference of the caching delay between standard time delay propagation delay time corresponding with the distal end convergence device, institute Time delay when propagation delay time transmits signal between the distal end convergence device and the network equipment is stated, the standard time delay is The network equipment is according to the maximum in the corresponding propagation delay time of distal end convergence device each at least one distal end convergence device Propagation delay time setting.

10. method according to claim 8, which is characterized in that the instruction information is determined for the distal end convergence device Caching delay, specifically: the instruction information is used to indicate standard time delay and the corresponding propagation delay time of the distal end convergence device；

The distal end convergence device determines the caching delay according to the instruction information, comprising:

The distal end convergence device is using the difference between the standard time delay and the propagation delay time as the caching delay, institute Time delay when propagation delay time transmits signal between the distal end convergence device and the network equipment is stated, the standard time delay is The network equipment is according to the maximum in the corresponding propagation delay time of distal end convergence device each at least one distal end convergence device Propagation delay time setting.

11. the method as described in claim 8 to 10 is any, which is characterized in that the distal end convergence device and access are described remote The distance between at least one remote equipment of convergence device is held to be not more than preset threshold.

12. the method as described in claim 8 to 10 is any, which is characterized in that the distal end convergence device receives the network equipment Before the instruction information of transmission, further includes:

The distal end convergence device receives the training signal that the network equipment is sent, and the training signal is used to indicate described remote End convergence device sends training response signal to the network equipment immediately after receiving the training signal；

The distal end convergence device sends the trained response signal to the network equipment, and the trained response signal is used for institute It states the network equipment and determines the corresponding propagation delay time of the distal end convergence device.

13. a kind of network equipment characterized by comprising

Processing unit, for determining the corresponding propagation delay time of each distal end convergence device, institute at least one distal end convergence device State time delay when propagation delay time transmits signal between the corresponding distal end convergence device of the propagation delay time and the network equipment；According to institute State the maximum transmitted time delay setting standard time delay in the corresponding propagation delay time of each distal end convergence device；Wherein, when the standard Prolong and be greater than or equal to the maximum transmitted time delay, between standard time delay propagation delay time corresponding with the distal end convergence device Difference as the corresponding caching delay of distal end convergence device, the corresponding caching delay of the distal end convergence device is remote for this Transmitting terminal postpones to transmit signal to receiving end after the caching delay when transmitting signal between end convergence device and the network equipment.

14. the network equipment as claimed in claim 13, which is characterized in that the network equipment further include:

Transmit-Receive Unit, in the processing unit according to the maximum in the corresponding propagation delay time of each distal end convergence device Propagation delay time is arranged after standard time delay, respectively each distal end convergence device hair at least one described distal end convergence device Instruction information is sent, it is corresponding with the distal end convergence device of the instruction information is received that the instruction information is used to indicate the standard time delay Propagation delay time.

15. the network equipment as claimed in claim 13, which is characterized in that the processing unit is also used to:

After according to the maximum transmitted time delay setting standard time delay in the corresponding propagation delay time of each distal end convergence device, Determine the corresponding caching delay of each distal end convergence device at least one described distal end convergence device, the distal end convergence is set Standby difference of the corresponding caching delay between standard time delay propagation delay time corresponding with the distal end convergence device.

16. the network equipment as claimed in claim 15, which is characterized in that the network equipment further include:

Transmit-Receive Unit, each distal end convergence for being determined at least one described distal end convergence device in the processing unit are set After standby corresponding caching delay, each distal end convergence device transmission at least one described distal end convergence device refers to respectively Show that information, the instruction information are used to indicate the corresponding caching delay of distal end convergence device for receiving the instruction information.

17. the network equipment as described in claim 13 to 16 is any, which is characterized in that each distal end convergence device with connect Enter the distance between at least one remote equipment of the distal end convergence device no more than preset threshold.

18. the network equipment as described in claim 13 to 16 is any, which is characterized in that the processing unit determines at least one In the convergence device of distal end when the corresponding propagation delay time of each distal end convergence device, it is specifically used for:

For each distal end convergence device, training letter is sent to the distal end convergence device by Transmit-Receive Unit at the first moment Number, the training signal is used to indicate the distal end convergence device and receives the training signal later immediately to the network equipment Send training response signal；

The trained response signal that the distal end convergence device is sent is received by the Transmit-Receive Unit at the second moment；

The corresponding transmission of the distal end convergence device is determined according to the time interval between second moment and first moment Time delay.

19. the network equipment as described in claim 13 to 16 is any, which is characterized in that the processing unit is also used to:

Before according to the maximum transmitted time delay setting standard time delay in the corresponding propagation delay time of each distal end convergence device, For at least distal end convergence device all the way being connected with the network equipment, by the afterbody in the convergence device of each great distance end Convergence device corresponding propagation delay time in distal end is determined as the corresponding propagation delay time of great distance end convergence device, by described at least all the way Maximum transmitted time delay in the convergence device of distal end in the corresponding propagation delay time of each great distance end convergence device is determined as the maximum Propagation delay time；

20. a kind of distal end convergence device characterized by comprising

Transmit-Receive Unit, for receiving the instruction information of network equipment transmission, the instruction information is used for the distal end convergence device Determine that caching delay, the caching delay are used to send when transmitting signal between the distal end convergence device and the network equipment Signal is transmitted to receiving end after the end delay caching delay；

Processing unit, for determining the caching delay according to the instruction information.

21. distal end convergence device as claimed in claim 20, which is characterized in that the instruction information is converged for the distal end Equipment determines caching delay, specifically: the instruction information is used to indicate the caching delay；

22. distal end convergence device as claimed in claim 20, which is characterized in that the instruction information is converged for the distal end Equipment determines caching delay, specifically: the instruction information is used to indicate standard time delay and the distal end convergence device is corresponding Propagation delay time；

The processing unit is specifically used for when determining the caching delay according to the instruction information:

Using the difference between the standard time delay and the propagation delay time as the caching delay, the propagation delay time is described Between distal end convergence device and the network equipment transmit signal when time delay, the standard time delay be the network equipment according to Maximum transmitted time delay setting at least one distal end convergence device in the corresponding propagation delay time of each distal end convergence device.

23. the method distal end convergence device as described in claim 20 to 22 is any, which is characterized in that the distal end convergence device It is not more than preset threshold with the distance between at least one remote equipment for accessing the distal end convergence device.

24. the distal end convergence device as described in claim 20 to 22 is any, which is characterized in that the Transmit-Receive Unit is also used to:

Before receiving the instruction information that the network equipment is sent, the training signal that the network equipment is sent, the training are received Signal is used to indicate after the distal end convergence device receives the training signal and sends training to the network equipment immediately Response signal；

The trained response signal is sent to the network equipment, the trained response signal determines institute for the network equipment State the corresponding propagation delay time of distal end convergence device.