公开(公告)号：US20150173042A1

公开(公告)日：2015-06-18

申请号：US14106622

申请日：2013-12-13

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： YUEH CHING CHUNG ,  THOMAS B. BOHN ,  DIPENDRA M. CHOWDHARY ,  HUN WENG KHOO ,  SATYANARAYAN R. PANPALIYA ,  TEIK CHOON TEH

IPC: H04W72/00 ,  H04W72/04 ,  H04W64/00 ,  H04W4/08

CPC classification number: H04W64/00 ,  H04W4/08 ,  H04W76/45 ,  H04W84/08

Abstract: A radio affiliates, via a first channel, with at least one talk group the radio is interested in receiving calls from, sends a request to transmit location information on a separate revert channel, and receives a first grant time period to transmit location information on a particular revert channel. The radio moves at substantially the first grant time period, away from the first channel to the revert channel to transmit location information or request a second grant time period on the revert channel, receives an announcement on the revert channel during the first grant time period that a call of interest associated with the at least one talk group started while the radio was on the revert channel, determines an assigned traffic channel for the call of interest, and switches from the revert channel to the assigned traffic channel in order to receive the call of interest.

Abstract translation: 无线电附属机构经由第一信道与无线电有兴趣接收呼叫的至少一个通话组发送在单独的还原信道上发送位置信息的请求，并且接收第一授权时间段以在 特定还原通道。 无线电基本上在第一授权时间段移动，远离第一信道到恢复信道以发送位置信息，或在还原信道上请求第二授权时间段，在第一授权时间周期期间在恢复信道上接收公告， 当无线电在恢复信道上时，与所述至少一个通话组相关联的兴趣呼叫确定用于所述感兴趣的呼叫的所分配的业务信道，并且从恢复信道切换到所分配的业务信道，以便接收呼叫 出于兴趣。

公开(公告)号：US20140105194A1

公开(公告)日：2014-04-17

申请号：US13650882

申请日：2012-10-12

Applicant: MOTOROLA SOLUTIONS, INC.

Inventor： DAVID G. WIATROWSKI ,  THOMAS B. BOHN ,  HARRY C. MOORE

IPC: H04W72/04 ,  H04W56/00

CPC classification number: H04W76/14 ,  H04B7/2643 ,  H04W76/45

Abstract: A method and device for sharing synchronized direct mode time division multiple access (TDMA) timeslots among a plurality of direct mode radios includes monitoring, by a first direct mode radio, other radios' usage of a plurality of available timeslots on a direct mode radio frequency (RF) and, for each received new transmission, storing an indication of the timeslot used by the new transmission and storing a system partitioning identifier associated with the new transmission. Dynamically determining, by the first radio and as a function of the monitoring, a first preferred transmit timeslot determined to be less likely to interfere with the other direct mode radios. Responsive to detecting a request to transmit a new direct mode call, first determining if the first preferred transmit timeslot is available, and if so, transmitting the new call in the first preferred transmit timeslot on the direct mode radio frequency.

Abstract translation: 用于在多个直接模式无线电中共享同步直接模式时分多址（TDMA）时隙的方法和装置包括通过第一直接模式无线电监视在直接模式射频上的其他无线电对多个可用时隙的使用 （RF），并且对于每个接收的新传输，存储新传输使用的时隙的指示并存储与新传输相关联的系统分区标识符。 通过第一无线电和作为监视的功能来动态地确定被确定为不太可能干扰其他直接模式无线电的第一优选发射时隙。 响应于检测发送新的直接模式呼叫的请求，首先确定第一优选发送时隙是否可用，如果是，则在直接模式射频上在第一优选发送时隙中发送新呼叫。

公开(公告)号：US20150312781A1

公开(公告)日：2015-10-29

申请号：US14264821

申请日：2014-04-29

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： DIPENDRA M. CHOWDHARY ,  JOHN P. BELMONTE ,  THOMAS B. BOHN ,  SATYANARAYAN R. PANPALIYA ,  BADARINATH PATIBANDLA

IPC: H04W24/04 ,  H04W74/08 ,  H04W28/02

CPC classification number: H04W24/04 ,  H04W28/0236 ,  H04W28/0242 ,  H04W48/02 ,  H04W74/0833

Abstract: A radio controller monitors a radio channel for a first period of time and determines a first indication of signals received without detecting synchronization or with detecting synchronization but failing error correction during that time. Responsive to determining that the first indication is above a predetermined threshold indicative of an interference condition, causing an instruction to be broadcast identifying a subset of subscriber devices allowed transmitting random access requests on the radio channel. The radio controller monitors the radio channel for a second period of time and determines a second indication during that time. If the second indication is an improvement over the first indication, the radio controller determines that the interference condition is caused by the mass random access event.

Abstract translation: 无线电控制器在第一时间段内监测无线电信道，并且确定接收到的信号的第一指示而不检测同步或者检测到同步，但在该时间期间失败的纠错。 响应于确定第一指示高于指示干扰条件的预定阈值，引起广播指令，标识允许在无线电信道上发送随机接入请求的订户设备的子集。 无线电控制器在第二段时间内监视无线电信道，并在该时间确定第二指示。 如果第二指示是对第一指示的改进，则无线电控制器确定干扰条件是由大规模随机接入事件引起的。

公开(公告)号：US20140016514A1

公开(公告)日：2014-01-16

申请号：US14014758

申请日：2013-08-30

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： DAVID G. WIATROWSKI ,  THOMAS B. BOHN ,  DIPENDRA M. CHOWDHARY

IPC: H04M3/20

CPC classification number: H04M3/20 ,  H04L47/245 ,  H04L47/32 ,  H04W4/06 ,  H04W76/28 ,  H04W76/36

Abstract: A system and method for interrupting a transmitting device during a call. In the system, calls are transmitted from a first device on a communication channel as a series of channel frames. At predetermined times during the transmission, the transmitting device is configured to drop channel frames, resulting in open channel frame periods where the transmitting device is not transmitting on the communication channel. During these open channel frame periods, the transmitting device is also configured to switch to a receiving mode. Other devices in the system are capable of switching into a transmitting mode during the open channel frame periods and, when applicable, sending an interrupt request on the communication channel to the transmitting device in order to request access to the channel.

Abstract translation: 一种用于在呼叫期间中断发送设备的系统和方法。 在系统中，作为一系列信道帧，从通信信道上的第一设备发送呼叫。 在发送期间的预定时间，发送设备被配置为丢弃信道帧，导致发送设备在通信信道上不发送的开放信道帧周期。 在这些开放频道帧周期期间，发送装置还被配置为切换到接收模式。 系统中的其他设备能够在开放的信道帧周期期间切换成发送模式，并且在适用的情况下，在通信信道上向发送设备发送中断请求，以便请求接入信道。

公开(公告)号：US20130246659A1

公开(公告)日：2013-09-19

申请号：US13893782

申请日：2013-05-14

Applicant: MOTOROLA SOLUTIONS, INC.

Inventor： DIPENDRA M. CHOWDHARY ,  THOMAS B. BOHN ,  TIANFANG LIU ,  DAVID G. WIATROWSKI

IPC: H04L29/06

CPC classification number: H04L69/04 ,  G01S5/0018 ,  G01S5/0284

Abstract: Disclosed are methods and systems for compressing location data of a radio for over-the-air transmission. A method includes obtaining raw latitude and raw longitude coordinates reflecting a current location of the client device, the raw latitude coordinate represented by x number of bits and the raw longitude coordinate represented by y number of bits. The raw latitude coordinate is truncated by removing n number of most significant bits from the raw latitude coordinate to create a compressed latitude coordinate. The raw longitude coordinate is truncated by removing m number of most significant bits from the raw longitude coordinate to create a compressed longitude coordinate, where m varies as a function of the value of the raw latitude coordinate. The compressed longitude and compressed latitude coordinates are then transmitted to another network device for decompression and use as an indication of the client device's absolute location.

Abstract translation: 公开了用于压缩用于无线电传输的无线电的位置数据的方法和系统。 一种方法包括获得反映客户端设备的当前位置的原始纬度和原始经度坐标，由x位数表示的原始纬度坐标和由y位数表示的原始经度坐标。 通过从原始纬度坐标中移除n个最高有效位来创建压缩纬度坐标，可以截断原始纬度坐标。 通过从原始经度坐标中移除m个最高有效位以创建压缩经度坐标来截断原始经度坐标，其中m根据原始纬度坐标的值而变化。 压缩经度和压缩纬度坐标然后被发送到另一个网络设备进行解压缩并用作客户端设备绝对位置的指示。

公开(公告)号：US20250159451A1

公开(公告)日：2025-05-15

申请号：US18508374

申请日：2023-11-14

Applicant: MOTOROLA SOLUTIONS, INC.

Inventor： NICOLE D. BERRIZ ,  STEPHEN C. GLASS ,  THOMAS B. BOHN ,  SEAN REGAN ,  MARYAM ENEIM

IPC: H04W4/90 ,  G08B25/00

Abstract: A connector application is provided. A trigger is received from a workflow server. The trigger includes an action ID. A public safety device is identified from a plurality of public safety devices based on agency private information. The identified public safety device is to perform an action in response to the trigger. No agency private information is shared with the workflow server. An indication is sent to the identified public safety device to execute the action.

公开(公告)号：US20230319005A1

公开(公告)日：2023-10-05

申请号：US17711591

申请日：2022-04-01

Applicant: MOTOROLA SOLUTIONS, INC.

Inventor： PIOTR MIZERA ,  THOMAS B. BOHN

IPC: H04L51/23 ,  H04W4/14 ,  H04W4/06

CPC classification number: H04L51/23 ,  H04W4/06 ,  H04W4/14

Abstract: A security ecosystem, device and method for controlling workflows based on network confirmation processes is provided. A first device receives, from a second device, a message for delivery to a talkgroup on a given network, the second device executing a safety workflow comprising: a trigger that caused transmission of the; and one or more responsive actions that depend on whether transmission/delivery of the message to the talkgroup is successful or unsuccessful. The first device selects a mechanism for determining success or failure of transmission/delivery of the message based on a message confirmation process of the given network. The first device provides, to the given network, the message for delivery to the talkgroup and receives a reply to the message. The first device provides, to the second device, an indication of success or failure of transmission/delivery of the message, based on the reply and the mechanism selected.

公开(公告)号：US20200146009A1

公开(公告)日：2020-05-07

申请号：US16181422

申请日：2018-11-06

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： DAVID G. WIATROWSKI ,  THOMAS B. BOHN ,  DIPENDRA M. CHOWDHARY

IPC: H04W72/04

Abstract: A method and device for zero configuration direct fallback communication is provided. In one aspect a method comprises selecting a channel in a fallback radio band based on at least a portion of at least one system operating parameter for a primary radio band. The method further comprises switching to the selected channel in the fallback radio band. The method also comprises communicating over the selected channel in the fallback radio band.

公开(公告)号：US20160218834A1

公开(公告)日：2016-07-28

申请号：US14605143

申请日：2015-01-26

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： THOMAS B. BOHN

IPC: H04L1/16 ,  H04W72/04

CPC classification number: H04L1/1635 ,  H04W56/0015 ,  H04W72/0446 ,  H04W72/1289

Abstract: A method and apparatus for time-efficient confirmed group data acknowledgement includes a radio subscriber unit (SU) configured to (i) generate a receive status message comprising a first synchronization pattern indicating successful receipt of a set of data blocks when the SU has successfully received the set of data blocks from a base radio, (ii) generate a receive status message comprising a second synchronization pattern indicating unsuccessful receipt of a set of data blocks when the SU has not successfully received the set of data blocks from the base radio, and (iii) transmit the generated receive status message from the SU to the base radio during an uplink transmit time interval assigned by the base radio.

Abstract translation: 一种用于时间有效的确认组数据确认的方法和装置包括：无线电订户单元（SU），其被配置为（i）生成接收状态消息，所述接收状态消息包括当SU已成功接收时指示成功接收一组数据块的第一同步模式 所述基站无线电装置的数据块集合;（ii）当所述SU尚未成功地从所述基站无线电接收到所述数据块集合时，产生包括指示不一致数据块集合的第二同步模式的接收状态消息;以及 （iii）在由基站无线电分配的上行链路发送时间间隔期间，将所生成的接收状态消息从SU发送到基站无线电。

公开(公告)号：US20160081052A1

公开(公告)日：2016-03-17

申请号：US14927764

申请日：2015-10-30

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： ALEXANDER D. ROUSSEV ,  THOMAS B. BOHN

IPC: H04W60/04 ,  H04W28/02

CPC classification number: H04W60/04 ,  H04W4/10 ,  H04W28/0289 ,  H04W60/005 ,  H04W64/00

Abstract: A method and apparatus are described for managing a mass registration scenario in a two-way radio system. A site controller in a trunked radio system detects a mass registration condition in which registration requests by subscriber units are likely to collide on an inbound control channel. During the mass registration condition, the site controller initiates a restriction period by instructing subscriber units that are members of particular talkgroups to temporarily cease registration requests. Those talkgroup members are permitted to resume their registration requests when a predetermined delay time has passed since the members were instructed to cease registration, or when a particular silence time has passed without registration activity over the control channel.