# US 7,613,222 B2 · Wideband communication method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,613,222 B2 - Document ID: US7613222B2 - Status: Granted - Kind: B2 - Application number: 10/574,591 - Filed: 2004-11-12 - Published: 2007-03-08 - Granted: 2009-11-03 - Earliest claimed: 2003-11-17 - Inventors: Jukka Reunamäki; Arto Palin - Web page: https://patentgrep.com/patent/US7613222B2 ## CPC - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - H04B 1/71632: {Signal aspects (H04B1/7172 and H04B1/7176 take precedence)} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION ## Abstract A communication method includes establishing a wideband communication link between a first device and a second device, transmitting a first set of consecutive data bits from the first device to the second device by means of a first set of pulses, and transmitting a second set of bits from the second device to the first device at least partially simultaneously or at least partially interlaced with the first set of bits. ## Claims ### Claim 1 A communication method comprising: establishing a wideband communication link between a first device and a second device, receiving a first set of consecutive data bits from said first device at said second device by means of a first set of pulses, transmitting a second set of bits from said second device to said first device at least partially simultaneously or at least partially interlaced with said first set of bits characterized by: negotiating a pulse repetition frequency (PRF) for said communication link, at least when the PRF for the communication link is not already known, and negotiating on the basis of the PRF of said communication link, whether said second set of bits is sent interlaced with the first set of bits. ### Claim 2 (depends on 1) The method of claim 1, wherein said pulses are narrow pulses. ### Claim 3 (depends on 1) The method of claim 1, wherein said pulses are spaced apart in time domain by a certain guard time and said second set of bits is transmitted by means of a second set of pulses sent during said guard times. ### Claim 4 (depends on 3) The method of claim 3 further comprising: negotiating on the basis of the PRF of said communication link, whether said guard times are used for sending said second set of bits. ### Claim 5 (depends on 1) The method of claim 1, wherein a separate radio is used for transmitting said second set of bits. ### Claim 6 (depends on 5) The method of claim 5, wherein said separate radio is a Wireless Personal Area Network (WPAN) radio. ### Claim 7 (depends on 5) The method of claim 5, wherein said second set of bits is transmitted as payload in a data channel of the separate radio. ### Claim 8 (depends on 1) The method of claim 1, wherein said second set of bits comprises control data. ### Claim 9 (depends on 1) The method of claim 1, wherein said wideband communication link is an ultra-wideband (UWB) communication link. ### Claim 10 A system comprising a first device and a second device configured to establish a wideband communication link between said first and second devices, said first device comprising a first transmitter configured to send a first set of consecutive data bits to said second device and said second device comprising a first receiver configured to receive said first set of consecutive data bits from said first device, said first set of bits being sent by means of a first set of pulses, said second device further comprises a second transmitter configured to send a second set of bits to said first device at least partially simultaneously or at least partially interlaced with receiving said first set of bits from said first device, and said first device further comprises a second receiver configured to receive said second set of bits from said second device at least partially simultaneously or at least partially interlaced with sending said first set of bits to said second device, characterized in that the first device and the second device are further configured: to negotiate a pulse repetition frequency (PRF) for said communication link, at least when the PRF for the communication link is not already known, and to negotiate on the basis of the PRF of said communication link, whether said second set of bits is sent interlaced with the first set of bits. ### Claim 11 A device comprising a receiver configured to receive a first set of consecutive data bits from another device, said first set of bits being sent by means of a first set of pulses, and a transmitter configured to send a second set of bits to said another device at least partially simultaneously or at least partially interlaced with receiving said first set of bits from said another device, characterized in that said device further comprises: means for negotiating a pulse repetition frequency (PRF) for said communication link, at least when the PRF for the communication link is not already known, and means for negotiating on the basis of the PRF of said communication link, whether said second set of bits is sent interlaced with the first set of bits. ### Claim 12 (depends on 11) The device of claim 11, wherein said pulses are narrow pulses. ### Claim 13 (depends on 11) The device of claim 11, wherein said receiver is configured to receive said first set of pulses so that there is a certain guard time between the pulses, and said transmitter is configured to send a second set of pulses forming said second set of bits during said guard times. ### Claim 14 (depends on 13) The device of claim 13 further comprising: means for negotiating with said another device the PRF for said first set of pulses, at least when said PRF is not already known, and means for negotiating on the basis of said PRF, whether said guard times are used for sending said second set of bits. ### Claim 15 (depends on 11) The device of claim 11, wherein said transmitter and said receiver employ different radio technologies. ### Claim 16 (depends on 15) The device of claim 15, wherein said transmitter is a Wireless Personal Area Network (WPAN) radio transmitter. ### Claim 17 (depends on 11) The device of claim 11, wherein said receiver is an ultrawideband (UWB) receiver. ### Claim 18 (depends on 11) The device of claim 11, wherein said second set of bits comprises control data. ### Claim 19 (depends on 11) The device of claim 11, wherein said device is one of the following: a communication device, a mobile phone, a laptop computer, a desktop computer, a Personal Digital Assistant (PDA), and a digital camera. ### Claim 20 A device comprising a transmitter configured to send a first set of consecutive data bits to another device by means of a first set of pulses, and a receiver configured to receive a second set of bits from said another device at least partially simultaneously or at least partially interlaced with sending said first set of bits to said another device, characterized in that said device further comprises: means for negotiating a pulse repetition frequency (PRF) for said communication link, at least when the PRF for the communication link is not already known, and means for negotiating on the basis of the PRF of said communication link, whether said second set of bits is sent interlaced with the first set of bits. ### Claim 21 (depends on 20) The device of claim 20, wherein said pulses are narrow pulses. ### Claim 22 (depends on 20) The device of claim 20, wherein said transmitter is configured to send said first set of pulses so that there is a certain guard time between the pulses, and said receiver is configured to receive a second set of pulses forming said second set of bits during said guard times. ### Claim 23 (depends on 22) The device of claim 22 further comprising: means for negotiating with said another device the PRF for said first set of pulses, at least when said PRF is not already known, and means for negotiating on the basis of said PRF, whether said guard times are used for receiving said second set of bits. ### Claim 24 (depends on 20) The device of claim 20, wherein said transmitter and said receiver employ different radio technologies. ### Claim 25 (depends on 24) The device of claim 24, wherein said receiver is a Wireless Personal Area Network (WPAN) radio receiver. ### Claim 26 (depends on 20) The device of claim 20, wherein said transmitter is an ultrawideband (UWB) transmitter. ### Claim 27 (depends on 20) The device of claim 20, wherein said second set of bits comprises control data. ### Claim 28 (depends on 20) The device of claim 20, wherein said device is one of the following: a communication device, a mobile phone, a laptop computer, a desktop computer, a Personal Digital Assistant (PDA), and a digital camera. ### Claim 29 A computer-readable medium comprising a computer program executable in a communication device, the communication device being configured to receive a first set of consecutive data bits from another device, said first set of bits being sent by means of pulses, said computer program controlling said communication device to send a second set of bits to said another device at least partially simultaneously or at least partially interlaced with receiving said first set of bits from said another device, characterized by said computer program further controlling said communication device to negotiate a pulse repetition frequency (PRF) for said communication link, at least when the PRF for the communication link is not already known, and to negotiate on the basis of the PRF of said communication link, whether said second set of bits is sent interlaced with the first set of bits. ### Claim 30 A computer-readable medium comprising a computer program executable in a communication device, the communication device being configured to send a first set of consecutive data bits to another device by means of pulses, said computer program controlling said communication device to receive a second set of bits from said another device at least partially simultaneously or at least partially interlaced with sending said first set of bits to said another device, characterized by said computer program further controlling said communication device: to negotiate a pulse repetition frequency (PRF) for said communication link, at least when the PRF for the communication link is not already known, and to negotiate on the basis of the PRF of said communication link, whether said second set of bits is sent interlaced with the first set of bits.