METHODS AND SYSTEMS FOR TRANSMISSION OF MULTIPLE MODULATED SIGNALS OVER WIRELESS NETWORKS
First Claim
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1. A method of operating a wireless subscriber radio unit in a wireless communication system, wherein the wireless communication system includes a wireless subscriber radio unit and a base station, and wherein the wireless subscriber radio unit is registered with the base station, the method comprising:
- transmitting from the wireless subscriber radio unit an explicit message requesting to be provided an allocation of uplink (UL) bandwidth in which to transmit a bandwidth request;
receiving at the wireless subscriber radio unit an allocation of UL bandwidth in which to transmit a bandwidth request, the allocation received in response to the transmitted explicit message;
transmitting from the wireless subscriber radio unit the bandwidth request within the allocation of UL bandwidth, the bandwidth request specifying a requested UL bandwidth allocation;
receiving at the wireless subscriber radio unit an UL bandwidth grant for the wireless subscriber radio unit, the UL bandwidth grant received in response to the bandwidth request; and
allocating the received UL bandwidth grant to the one or more UL connections based on QoS priority.
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Abstract
A method and apparatus for requesting and allocating bandwidth in a broadband wireless communication system. The inventive method and apparatus includes a combination of techniques that allow a plurality of CPEs to communicate their bandwidth request messages to respective base stations. The CPE is responsible for distributing the allocated uplink bandwidth in a manner that accommodates the services provided by the CPE. By using a combination of bandwidth allocation techniques, the present invention advantageously makes use of the efficiency benefits associated with each technique.
4 Citations
17 Claims
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1. A method of operating a wireless subscriber radio unit in a wireless communication system, wherein the wireless communication system includes a wireless subscriber radio unit and a base station, and wherein the wireless subscriber radio unit is registered with the base station, the method comprising:
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transmitting from the wireless subscriber radio unit an explicit message requesting to be provided an allocation of uplink (UL) bandwidth in which to transmit a bandwidth request; receiving at the wireless subscriber radio unit an allocation of UL bandwidth in which to transmit a bandwidth request, the allocation received in response to the transmitted explicit message; transmitting from the wireless subscriber radio unit the bandwidth request within the allocation of UL bandwidth, the bandwidth request specifying a requested UL bandwidth allocation; receiving at the wireless subscriber radio unit an UL bandwidth grant for the wireless subscriber radio unit, the UL bandwidth grant received in response to the bandwidth request; and allocating the received UL bandwidth grant to the one or more UL connections based on QoS priority. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of allocating uplink (UL) bandwidth on demand in a wireless subscriber radio unit, the wireless communication system including a wireless subscriber radio unit and a base station, and wherein the wireless subscriber radio unit is registered with and communicating with the base station, the method comprising:
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determining a required amount of UL bandwidth for a UL connection at the wireless subscriber radio unit, wherein the UL connection has an associated quality of service (QoS); transmitting from the wireless subscriber radio unit an explicit message to the base station requesting to be provided an allocation of UL bandwidth in which to transmit a bandwidth request; receiving at the wireless subscriber radio unit the allocation of UL bandwidth in which to transmit the bandwidth request; transmitting the bandwidth request indicative of the required amount of UL bandwidth for the UL connection to the base station; receiving from the base station an UL bandwidth grant for the wireless subscriber radio unit; and allocating, at the wireless subscriber radio unit, the UL bandwidth grant to one or more of a plurality of connections at the wireless subscriber radio unit; wherein the wireless subscriber radio unit allocates the UL bandwidth grant to the one or more of the plurality of connections based on QoS connection priority. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification
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Current AssigneeQuarterhill Inc. (f/k/a Wi-LAN Inc.)
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Original AssigneeQuarterhill Inc. (f/k/a Wi-LAN Inc.)
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InventorsKlein, Israel Jay, Stanwood, Kenneth L., Gilbert, Sheldon L., Mollenauer, James F.
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current370/329
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CPC Class CodesH04L 2012/5607 RadioH04L 2012/561 Star, e.g. cross-connect, c...H04L 5/0064 Rate requirement of the dat...H04L 5/0092 Indication of how the chann...H04Q 11/0478 Provisions for broadband co...H04W 28/0268 using specific QoS paramete...H04W 28/06 Optimizing the usage of the...H04W 28/14 using intermediate storageH04W 4/06 Selective distribution of b...H04W 56/0005 synchronizing of arrival of...H04W 60/00 Affiliation to network, e.g...H04W 72/044 based on the type of the al...H04W 72/0453 Resources in frequency doma...H04W 72/20 Control channels or signall...H04W 72/21 in the uplink direction of ...H04W 72/23 in the downlink direction o...H04W 72/30 Resource management for bro...H04W 72/51 based on terminal or device...H04W 72/56 based on priority criteriaH04W 74/06 using pollingView All
