Method and apparatus for unidirectional summing of group auditory data
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04M-003/56
H04W-004/10
H04L-029/06
출원번호
US-0025998
(2013-09-13)
등록번호
US-9654643
(2017-05-16)
발명자
/ 주소
McDonald, Daniel J
Fumarolo, Arthur L
Shahaf, Mark
출원인 / 주소
MOTOROLA SOLUTIONS, INC.
대리인 / 주소
Bestor, Daniel R.
인용정보
피인용 횟수 :
0인용 특허 :
20
초록▼
A first group auditory data stream, from a transmitting subscriber device of a first group of subscriber devices or from a dispatch console and intended for the first group of subscriber devices, is received at a conference server. The conference server determines whether the first group auditory da
A first group auditory data stream, from a transmitting subscriber device of a first group of subscriber devices or from a dispatch console and intended for the first group of subscriber devices, is received at a conference server. The conference server determines whether the first group auditory data stream generated for the first group of subscriber devices is of interest to a second group of subscriber devices, and if so, sums the first group auditory data stream with a second group auditory data stream intended for the second group of subscriber devices to form a summed group auditory data stream. The conference server then forwards the summed group auditory data stream towards the second group of subscriber devices and forwards the first group auditory data stream towards the first group of subscriber devices.
대표청구항▼
1. A method for unidirectional summing of group auditory data, the method comprising: receiving, at a conference server, a first portion of a first group auditory data stream, from one of a transmitting subscriber device of a first group of a plurality of subscriber devices and a dispatch console, f
1. A method for unidirectional summing of group auditory data, the method comprising: receiving, at a conference server, a first portion of a first group auditory data stream, from one of a transmitting subscriber device of a first group of a plurality of subscriber devices and a dispatch console, for receipt by the first group of subscriber devices;determining, by the conference server, whether group auditory data generated for the first group of subscriber devices is of interest to a second group of a plurality of subscriber devices, the second group of subscriber devices having no overlap with the first group of subscriber devices, for receipt by the second group of subscriber devices;receiving, at the conference server, a first portion of a second group auditory data stream from a transmitting subscriber device of the second group of subscriber devices; andresponsive to determining, by the conference server, that group auditory data generated for the first group of subscriber devices is of interest to the second group of subscriber devices: forwarding, by the conference server, the first portion of the first group auditory data stream towards the first group of subscriber devices;summing, by the conference server, the first portion of the second group auditory data stream with the first portion of the first group auditory data stream to form a summed group auditory data stream; andforwarding, by the conference server, the summed group auditory data stream towards the second group of subscriber devices. 2. The method of claim 1, further comprising, responsive to subsequently determining, by the conference server, that group auditory data generated for the first group of subscriber devices is not of interest to the second group of subscriber devices: forwarding, by the conference server, a second portion of the second group auditory data stream towards the second group of subscriber devices; andforwarding, by the conference server, a second portion of the first group auditory data stream towards the first group of subscriber devices. 3. The method of claim 1, further comprising, receiving, at the conference server before the first portion of the first group auditory data stream, a second portion of the first group auditory data stream from the transmitting subscriber device of the first group of subscriber devices, and forwarding the second portion of the first group auditory data stream towards the first group of subscriber devices. 4. The method of claim 1, wherein the first group of subscriber devices are members of a first talkgroup having a first talkgroup identifier, and wherein the second group of subscriber devices are members of a second talkgroup having a second talkgroup identifier different from the first talkgroup identifier. 5. The method of claim 4, wherein the first talkgroup operates on a first assigned traffic channel at a first trunked base station and the second talkgroup operates on a second assigned traffic channel at a second trunked base station. 6. The method of claim 1, further comprising determining that the first group auditory data is of interest to the second group of subscriber devices by determining, at the conference server, one of (i) that the first group auditory data stream includes emergency group auditory data and (ii) that the first group is a higher priority group than the second group. 7. The method of claim 6, further comprising determining that the first group auditory data stream includes emergency group auditory data by decoding one of a call request preceding the first group auditory data stream and a header appended to or embedded in the first group auditory data stream. 8. The method of claim 1, wherein determining whether the group auditory data generated for the first group of subscriber devices is of interest to the second group of subscriber devices comprises determining, by the conference server, that the first group of subscriber devices is a higher priority group of subscriber devices than the second group of subscriber devices by accessing an inter-group priority mapping from a data store of priority information and determining, from the inter-group priority mapping, that the first group of subscriber devices is a higher priority group of subscriber devices than the second group of subscriber devices. 9. The method of claim 1, wherein determining whether the group auditory data generated for the first group of subscriber devices is of interest to the second group of subscriber devices comprises determining, by the conference server, that the second group of subscriber devices is subscribed to receive auditory data from the first group of subscriber devices by accessing an inter-group subscription mapping from a data store of subscription information and determining, from the inter-group subscription mapping, that the second group of subscriber devices is subscribed to receive auditory data from the first group of subscriber devices. 10. The method of claim 1, wherein the first group of subscriber devices operates on a first frequency at a first conventional base station, and the second group of subscriber devices operate on a second frequency at a second conventional base station different from the first conventional base station. 11. The method of claim 1, further comprising refraining from summing the first portion of the second group auditory data stream into the first group auditory data stream prior to forwarding, by the conference server, the first group auditory data stream to the first group of subscriber devices. 12. The method of claim 1, further comprising: receiving, at the conference server, a first portion of a third group auditory data stream from a first transmitting subscriber device of a third group of subscriber devices;determining, by the conference server, whether the first portion of the third group auditory data stream is of interest to one or both of the first and second groups of subscriber devices; andselectively summing the first portion of the third group auditory data stream with auditory data received for one or both of the first and second groups of subscriber devices in accordance with the determination of whether the first portion of the third group auditory data stream is of interest to one or both of the first and second groups of subscriber devices. 13. The method of claim 12, further comprising forwarding, by the conference server, the first portion of the third group auditory data stream towards the third group of subscriber devices. 14. The method of claim 1, further comprising, responsive to determining that group auditory data generated for the first group of subscriber devices is of interest to the second group of subscriber devices: continuing to sum, by the conference server, group auditory data generated for the first group of subscriber devices with group auditory data generated for the second group of subscriber devices for a predetermined threshold period of time, and forwarding the summed group auditory data to the second group of subscriber devices during the threshold period of time; andafter the predetermined threshold period of time, refraining from summing group auditory data generated for the first group of subscriber devices with group auditory data generated for the second group of subscriber devices, and instead, forwarding group auditory data generated for the second group of subscriber devices to the second group of subscriber devices without summing group auditory data generated for the first group of subscriber devices. 15. The method of claim 14, wherein the threshold period of time is between 5 and 300 seconds. 16. The method of claim 1, wherein summing, by the conference server, the first portion of the first group auditory data stream with the first portion of the second group auditory data stream to form summed group auditory data comprises summing the first portion of the first group auditory data stream with the first portion of the second group auditory data stream in the parametric domain. 17. A conference server for unidirectional summing of group auditory data, the server comprising: a transceiver;a data store; andone or more processors configured to: receive, via the transceiver, a first portion of a first group auditory data stream, from one of a transmitting subscriber device of a first group of a plurality of subscriber devices and a dispatch console, for receipt by the first group of subscriber devices;determine whether group auditory data generated for the first group of subscriber devices is of interest to a second group of a plurality of subscriber devices, the second group of subscriber devices having no overlap with the first group of subscriber devices, for receipt by the second group of subscriber devices;receive, via the transceiver, a first portion of a second group auditory data stream from a transmitting subscriber device of the second group of subscriber devices; andresponsive to determining, via the data store, that group auditory data generated for the first group of subscriber devices is of interest to the second group of subscriber devices: forward, via the transceiver, the first portion of the first group auditory data stream towards the first group of subscriber devices;sum the first portion of the second group auditory data stream with the first portion of the first group auditory data stream to form a summed group auditory data stream; andforward, via the transceiver, the summed group auditory data stream towards the second group of subscriber devices. 18. The conference server of claim 17, wherein the one or more processors are further configured to: responsive to subsequently determining, via the data store, that group auditory data generated for the first group of subscriber devices is not of interest to the second group of subscriber devices: forward, via the transceiver, a second portion of the second group auditory data stream towards the second group of subscriber devices; andforward, via the transceiver, a second portion of the first group auditory data stream towards the first group of subscriber devices. 19. The conference server of claim 17, wherein the one or more processors are further configured to: receive, via the transceiver and before the first portion of the first group auditory data stream, a second portion of the first group auditory data stream from the transmitting subscriber device of the first group of subscriber devices, and forward, via the transceiver, the second portion of the first group auditory data stream towards the first group of subscriber devices. 20. The conference server of claim 17, wherein the one or more processors are further configured to: refrain from summing the first portion of the second group auditory data stream into the first group auditory data stream prior to forwarding, by the conference server, the first group auditory data stream to the first group of subscriber devices.
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