Abstract
A time division duplex (TDD) cellular communication system ( 100) is arranged to support both uplink and downlink communication allocated for unicast time division duplex (TDD) communication that uses a single cell identifier reuse pattern. The TDD cellular communication system (100) comprises a plurality of wireless serving communication units operably coupled to management logic. The TDD cellular communication system (100) further comprises management logic (146) arranged to partition time domain physical resources such that unicast communication using the single cell identifier reuse pattern is supported in a first portion of the time domain physical resource and a broadcast communication using a common cell identifier (215) reuse pattern for broadcast communications is supported in a second portion of the time domain physical resource.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 22/04/2012 | ISLD-201204-010 | GENERAL DYNAMICS CORP |
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Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Broadcast/Multicast
Product
Use Cases
Wireless communication
Services
Claim
1. A time division duplex (TDD) cellular communication system (100) arranged to support both uplink and downlink communication allocated for unicast time division duplex (TDD) communication that uses a single cell identifier reuse pattern; the TDD cellular communication system (100) comprising:
a plurality of wireless serving communication units operably coupled to management logic;
wherein the TDD cellular communication system (100) is characterised by management logic (146) being arranged to partition time domain physical resources such that unicast communication using the single cell identifier reuse pattern is supported in a first portion of the time domain physical resource and a broadcast communication using a common cell identifier (215) reuse pattern for broadcast communications is supported in a second portion of the time domain physical resource.', 'a plurality of wireless serving communication units operably coupled to management logic;', 'wherein the TDD cellular communication system (100) is characterised by management logic (146) being arranged to partition time domain physical resources such that unicast communication using the single cell identifier reuse pattern is supported in a first portion of the time domain physical resource and a broadcast communication using a common cell identifier (215) reuse pattern for broadcast communications is supported in a second portion of the time domain physical resource.
2. The TDD cellular communication system of claim 1 wherein the management logic (146) is arranged to allocate the common cell identifier of the broadcast communication in each downlink transmission resource in a plurality of communication cells.
3. The TDD cellular communication system of claim 1 wherein the management logic (146) is further arranged to map the common cell identifier to at least one scrambling code and at least one pilot sequence to be used in the plurality of communication cells.
4. The TDD cellular communication system of claim 1 wherein the management logic (146) is further arranged to signal information to the plurality of wireless serving communication units where the signalling information indicates a timing of the unicast communication and a timing of the broadcast communication.
5. The TDD cellular communication system of claim 1 wherein the unicast communication employs a first carrier frequency to support uplink and downlink communication and the broadcast communication employs a second carrier frequency to support broadcast downlink communications.
6. A wireless communication unit comprising:
a transceiver arranged to support both uplink and downlink communication allocated for unicast time division duplex (TDD) communication;
logic arranged to support the unicast communication in a first portion of a TDD physical resource using a single cell identifier reuse pattern;
wherein the wireless communication unit is characterized by:
logic arranged to support broadcast communication in a second portion of the TDD physical resource using a common cell identifier reuse pattern for broadcast transmissions.', 'a transceiver arranged to support both uplink and downlink communication allocated for unicast time division duplex (TDD) communication;', 'logic arranged to support the unicast communication in a first portion of a TDD physical resource using a single cell identifier reuse pattern;', 'wherein the wireless communication unit is characterized by:', 'logic arranged to support broadcast communication in a second portion of the TDD physical resource using a common cell identifier reuse pattern for broadcast transmissions.
7. The wireless communication unit of claim 6 wherein the logic arranged to support the unicast TDD communication using the single cell identifier reuse pattern communicates in a first mode of operation and the logic arranged to support the broadcast communication in a second portion of the TDD physical resource using the common cell identifier reuse pattern communicates in a second mode of operation wherein the logic arranged to support broadcast communication is adapted to tolerate a higher multipath delay of received signals than the logic arranged to support the unicast TDD communication in the first mode of operation.
8. The wireless communication unit of claim 6 wherein the wireless communication unit comprises a receiver for receiving signalling information that indicates a timing of the unicast TDD communications and a timing of the broadcast communication using the common cell identifier reuse pattern.
9. The wireless communication unit of claim 6 wherein the logic arranged to support a unicast TDD communication using a single cell identifier reuse pattern and the logic arranged to support broadcast communication using a common cell identifier reuse pattern are dynamically re-configured to support an increase or decrease of the broadcast communication dependent upon at least one prevailing communication condition
10. The wireless communication unit of claim 9 wherein the at least one prevailing communication condition comprises at least one from a group consisting of:
a time of day, a number of active users, active user profiles, services being supported.', 'a time of day, a number of active users, active user profiles, services being supported
11. A method of communicating in a time division duplex (TDD) cellular communication system, the method comprising, at a wireless communication unit:
supporting both uplink and downlink communication allocated for unicast time division duplex (TDD) communication; and
supporting the unicast communication in a first portion of a TDD physical resource using a single cell identifier reuse pattern;
supporting broadcast communication in a second portion of the TDD physical resource using a common cell identifier reuse pattern for broadcast transmissions.', 'supporting both uplink and downlink communication allocated for unicast time division duplex (TDD) communication; and', 'supporting the unicast communication in a first portion of a TDD physical resource using a single cell identifier reuse pattern;', 'supporting broadcast communication in a second portion of the TDD physical resource using a common cell identifier reuse pattern for broadcast transmissions
12. A method of communicating in a time division duplex (TDD) cellular communication system, the method comprising, at management logic (146):
allocating a first portion of time domain physical resource to a unicast communication that uses a single cell identifier reuse pattern; and
allocating a second portion of the time domain physical resource to a broadcast communication that uses a common cell identifier reuse pattern for broadcast transmissions.', 'allocating a first portion of time domain physical resource to a unicast communication that uses a single cell identifier reuse pattern; and', 'allocating a second portion of the time domain physical resource to a broadcast communication that uses a common cell identifier reuse pattern for broadcast transmissions
13. A non-transitory computer program product having executable program code stored therein for supporting communications in a cellular communication system, the program code operable for, when executed at management logic:
allocating a first portion of time domain physical resource to a unicast communication that uses a single cell identifier reuse pattern; and
allocating a second portion of the time domain physical resource to a broadcast communication that uses a common cell identifier reuse pattern for broadcast transmissions.', 'allocating a first portion of time domain physical resource to a unicast communication that uses a single cell identifier reuse pattern; and', 'allocating a second portion of the time domain physical resource to a broadcast communication that uses a common cell identifier reuse pattern for broadcast transmissions
14. A non-transitory computer program product having executable program code stored therein for supporting communications in a cellular communication system, the program code operable for, when executed at a wireless communication unit:
supporting both uplink and downlink communication allocated for unicast time division duplex (TDD) communication; and
supporting the unicast communication in a first portion of a TDD physical resource using a single cell identifier reuse pattern; and
supporting broadcast communication in a second portion of the TDD physical resource using a common cell identifier reuse pattern for broadcast transmissions.', 'supporting both uplink and downlink communication allocated for unicast time division duplex (TDD) communication; and', 'supporting the unicast communication in a first portion of a TDD physical resource using a single cell identifier reuse pattern; and', 'supporting broadcast communication in a second portion of the TDD physical resource using a common cell identifier reuse pattern for broadcast transmissions.15. Management logic (146) for a time division duplex (TDD) cellular communication system, the management logic (146) comprising:
logic for allocating a first portion of time domain physical resource to a unicast communication that uses a single cell identifier reuse pattern; and
logic for allocating a second portion of the time domain physical resource to a broadcast communication that uses a common cell identifier reuse pattern for broadcast transmissions.', 'logic for allocating a first portion of time domain physical resource to a unicast communication that uses a single cell identifier reuse pattern; and', 'logic for allocating a second portion of the time domain physical resource to a broadcast communication that uses a common cell identifier reuse pattern for broadcast transmissions.']
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.